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Dr. John Daniel Kornmayer, DO

(Dr. John D. Kornmayer, DO)

(No ratings)

Specializes in: Family Medicine and Urgent Care

Des Moines University, College of Osteopathic Medicine (1991 - 1995)

3334 Boylston Highway Suite 10
Mills River, NC 28759

(828) 694-8100

Dr. John Daniel Kornmayer, DO is a family medicine practitioner in Mills River, NC specializing in family medicine and urgent care. He graduated from Des Moines University, College of Osteopathic Medicine in 1995 and has 31 years of experience. Dr. John Daniel Kornmayer, DO is affiliated with UNC Health, HENDERSON COUNTY URGENT CARE CENTER INC and UNC Health Pardee.

Office Locations

UNC Health Pardee

3334 Boylston Highway Suite 10
Mills River, NC 28759

(828) 694-8100

(828) 694-8101

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45 E Mills Street
Columbus, NC 28722

(828) 894-8213

(828) 894-5775

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Noteworthy Medicare Patient Procedures Performed by Dr. John Daniel Kornmayer, DO in 2023

Click on any procedure below to see further details on volume and pricing among Medicare patients.

Top 5%

By Volume:

blood draw

phlebotomy for lab tests

In 2023, Dr. John Daniel Kornmayer, DO performed more blood draw, and phlebotomy for lab tests procedures for Medicare patients than 95% of providers in related specialties within North Carolina.

Top 10%

By Affordability:

urine tests

In 2023, Dr. John Daniel Kornmayer, DO had a list price for urine tests that was lower than the list prices billed to Medicare by 90% of providers in related specialties within North Carolina. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Top 25%

By Affordability:

lab tests

In 2012, Dr. John Daniel Kornmayer, DO had a list price for lab tests that was lower than the list prices billed to Medicare by 75% of providers in related specialties within North Carolina. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. John Daniel Kornmayer, DO treated as a family medicine practitioner in Mills River, NC during 2012 were blood draw, breathing treatment, aspiration and injections.

Volume of procedures performed by Dr. John Daniel Kornmayer, DO for Medicare patients.

aspiration	26
blood draw	394
breathing treatment	37
doctor visit	2911
injections	26
preventive care	22
vaccines	22

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John Daniel Kornmayer, DO treated as a family medicine practitioner in Mills River, NC during 2013 were blood draw, lab tests, breathing treatment and aspiration.

Volume of procedures performed by Dr. John Daniel Kornmayer, DO for Medicare patients.

aspiration	19
blood draw	326
breathing treatment	20
doctor visit	2262
injections	19
lab tests	131

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John Daniel Kornmayer, DO.

**Gender**
Male	141
Female	175

**Ethnicity**
Non-Hispanic White	298
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	124
From 75 to 84	110
85 and over	49
Less than 65	33

Conditions of Medicare patients treated by Dr. John Daniel Kornmayer, DO in 2013

Hypertension	71
High Cholesterol	55
Stroke	4
Ischemic Heart Disease	46
Depression	25
Chronic Kidney Disease	22
Asthma	7
Osteoperosis	5
Atrial Fibrilation	8
Heart Failure	13
Chronic Obstructive Pulmonary Disease	14
Diabetes	35
Dementia	10
Cancer	7

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John Daniel Kornmayer, DO treated as a family medicine practitioner in Mills River, NC during 2014 were blood draw, lab tests, aspiration and injections.

Volume of procedures performed by Dr. John Daniel Kornmayer, DO for Medicare patients.

aspiration	20
blood draw	289
breathing treatment	17
complementary or alternative therapy	11
doctor visit	1892
injections	20
lab tests	229
manual therapy	11
osteopathic medicine	11

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John Daniel Kornmayer, DO.

**Gender**
Male	124
Female	136

**Ethnicity**
Non-Hispanic White	243
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	105
From 75 to 84	91
85 and over	40
Less than 65	24

Conditions of Medicare patients treated by Dr. John Daniel Kornmayer, DO in 2014

Hypertension	75
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	43
Depression	34
Chronic Kidney Disease	33
Asthma	5
Osteoperosis	0
Atrial Fibrilation	8
Heart Failure	10
Chronic Obstructive Pulmonary Disease	12
Diabetes	35
Dementia	8
Cancer	7

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John Daniel Kornmayer, DO treated as a family medicine practitioner in Mills River, NC during 2015 were blood draw, lab tests and breathing treatment.

Volume of procedures performed by Dr. John Daniel Kornmayer, DO for Medicare patients.

blood draw	314
breathing treatment	42
doctor visit	2025
lab tests	219

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John Daniel Kornmayer, DO.

**Gender**
Male	288
Female	320

**Ethnicity**
Non-Hispanic White	562
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	248
From 75 to 84	206
85 and over	88
Less than 65	66

Conditions of Medicare patients treated by Dr. John Daniel Kornmayer, DO in 2015

Hypertension	72
High Cholesterol	56
Stroke	4
Ischemic Heart Disease	34
Depression	31
Chronic Kidney Disease	33
Asthma	11
Osteoperosis	4
Atrial Fibrilation	10
Heart Failure	12
Chronic Obstructive Pulmonary Disease	13
Diabetes	34
Dementia	9
Cancer	8

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John Daniel Kornmayer, DO treated as a family medicine practitioner in Mills River, NC during 2016 were blood draw, lab tests, breathing treatment and aspiration.

Volume of procedures performed by Dr. John Daniel Kornmayer, DO for Medicare patients.

aspiration	25
blood draw	300
breathing treatment	72
doctor visit	2214
ear procedures	23
injections	25
lab tests	243

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John Daniel Kornmayer, DO.

**Gender**
Male	215
Female	319

**Ethnicity**
Non-Hispanic White	495
Black	21
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	236
From 75 to 84	162
85 and over	69
Less than 65	67

Conditions of Medicare patients treated by Dr. John Daniel Kornmayer, DO in 2016

Hypertension	69
High Cholesterol	49
Stroke	4
Ischemic Heart Disease	28
Depression	33
Chronic Kidney Disease	27
Asthma	15
Osteoperosis	5
Atrial Fibrilation	10
Heart Failure	11
Chronic Obstructive Pulmonary Disease	12
Diabetes	29
Dementia	8
Cancer	7

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John Daniel Kornmayer, DO treated as a family medicine practitioner in Mills River, NC during 2017 were blood draw, lab tests, breathing treatment and ear procedures.

Volume of procedures performed by Dr. John Daniel Kornmayer, DO for Medicare patients.

aspiration	25
blood draw	295
breathing treatment	90
compression therapy	17
doctor visit	2654
ear procedures	39
immobilization	17
injections	25
lab tests	240

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John Daniel Kornmayer, DO.

**Gender**
Male	202
Female	315

**Ethnicity**
Non-Hispanic White	475
Black	23
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	225
From 75 to 84	172
85 and over	61
Less than 65	59

Conditions of Medicare patients treated by Dr. John Daniel Kornmayer, DO in 2017

Hypertension	69
High Cholesterol	49
Stroke	3
Ischemic Heart Disease	27
Depression	33
Chronic Kidney Disease	33
Asthma	9
Osteoperosis	6
Atrial Fibrilation	10
Heart Failure	15
Chronic Obstructive Pulmonary Disease	14
Diabetes	28
Dementia	8
Cancer	9

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John Daniel Kornmayer, DO treated as a family medicine practitioner in Mills River, NC during 2018 were blood draw, lab tests, breathing treatment and aspiration.

Volume of procedures performed by Dr. John Daniel Kornmayer, DO for Medicare patients.

aspiration	36
blood draw	241
breathing treatment	93
compression therapy	20
doctor visit	2272
ear procedures	16
immobilization	20
injections	36
lab tests	226

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John Daniel Kornmayer, DO.

**Gender**
Male	213
Female	307

**Ethnicity**
Non-Hispanic White	482
Black	18
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	240
From 75 to 84	166
85 and over	56
Less than 65	58

Conditions of Medicare patients treated by Dr. John Daniel Kornmayer, DO in 2018

Hypertension	69
High Cholesterol	53
Stroke	4
Ischemic Heart Disease	28
Depression	31
Chronic Kidney Disease	32
Asthma	10
Osteoperosis	8
Atrial Fibrilation	11
Heart Failure	14
Chronic Obstructive Pulmonary Disease	13
Diabetes	25
Dementia	8
Cancer	7

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John Daniel Kornmayer, DO treated as a family medicine practitioner in Mills River, NC during 2019 were blood draw, breathing treatment, aspiration and ear procedures.

Volume of procedures performed by Dr. John Daniel Kornmayer, DO for Medicare patients.

aspiration	20
blood draw	270
breathing treatment	49
doctor visit	1963
ear procedures	20
injections	20

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John Daniel Kornmayer, DO.

**Gender**
Male	163
Female	224

**Ethnicity**
Non-Hispanic White	354
Black	18
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	180
From 75 to 84	118
85 and over	53
Less than 65	36

Conditions of Medicare patients treated by Dr. John Daniel Kornmayer, DO in 2019

Hypertension	70
High Cholesterol	60
Stroke	0
Ischemic Heart Disease	25
Depression	30
Chronic Kidney Disease	37
Asthma	6
Osteoperosis	6
Atrial Fibrilation	9
Heart Failure	12
Chronic Obstructive Pulmonary Disease	10
Diabetes	28
Dementia	7
Cancer	9

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John Daniel Kornmayer, DO treated as a family medicine practitioner in Mills River, NC during 2020 were blood draw, lab tests and ear procedures.

Volume of procedures performed by Dr. John Daniel Kornmayer, DO for Medicare patients.

blood draw	197
doctor visit	1492
ear procedures	12
lab tests	13

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John Daniel Kornmayer, DO.

**Gender**
Male	127
Female	177

**Ethnicity**
Non-Hispanic White	280
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	143
From 75 to 84	98
85 and over	37
Less than 65	26

Conditions of Medicare patients treated by Dr. John Daniel Kornmayer, DO in 2020

Hypertension	72
High Cholesterol	64
Stroke	0
Ischemic Heart Disease	32
Depression	36
Chronic Kidney Disease	40
Asthma	7
Osteoperosis	7
Atrial Fibrilation	10
Heart Failure	17
Chronic Obstructive Pulmonary Disease	13
Diabetes	27
Dementia	10
Cancer	9

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John Daniel Kornmayer, DO treated as a family medicine practitioner in Mills River, NC during 2021 were blood draw, aspiration and injections.

Volume of procedures performed by Dr. John Daniel Kornmayer, DO for Medicare patients.

aspiration	15
blood draw	172
doctor visit	1167
injections	15

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John Daniel Kornmayer, DO.

**Gender**
Male	130
Female	198

**Ethnicity**
Non-Hispanic White	304
Black	11
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	156
From 75 to 84	114
85 and over	41
Less than 65	17

Conditions of Medicare patients treated by Dr. John Daniel Kornmayer, DO in 2021

Hypertension	71
High Cholesterol	60
Stroke	4
Ischemic Heart Disease	31
Depression	35
Chronic Kidney Disease	38
Asthma	9
Osteoperosis	10
Atrial Fibrilation	9
Heart Failure	14
Chronic Obstructive Pulmonary Disease	12
Diabetes	30
Dementia	7
Cancer	10

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John Daniel Kornmayer, DO treated as a family medicine practitioner in Mills River, NC during 2022 were blood draw, lab tests and ear procedures.

Volume of procedures performed by Dr. John Daniel Kornmayer, DO for Medicare patients.

blood draw	170
doctor visit	1040
ear procedures	19
lab tests	66

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John Daniel Kornmayer, DO.

**Gender**
Male	119
Female	208

**Ethnicity**
Non-Hispanic White	305
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	138
From 75 to 84	128
85 and over	37
Less than 65	24

Conditions of Medicare patients treated by Dr. John Daniel Kornmayer, DO in 2022

Hypertension	74
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	24
Depression	31
Chronic Kidney Disease	30
Asthma	10
Osteoperosis	14
Atrial Fibrilation	17
Heart Failure	11
Chronic Obstructive Pulmonary Disease	16
Diabetes	28
Dementia	6
Cancer	13

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. John Daniel Kornmayer, DO for Medicare patients.

The highest averages for the top procedures that Dr. John Daniel Kornmayer, DO treated as a family medicine practitioner in Mills River, NC were blood draw, lab tests, aspiration and injections.

aspiration	23
blood draw	269
complementary or alternative therapy	11
compression therapy	18
doctor visit	1990
ear procedures	21
immobilization	18
injections	23
lab tests	170
manual therapy	11
osteopathic medicine	11
preventive care	22
vaccines	22

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. John Daniel Kornmayer, DO.

**Gender**
Male	156
Female	216

**Ethnicity**
Black / African American	8
Asian / Pacific Islander	0
Non-Hispanic White	345
Hispanic	0
Native American / Alaskan Native	0
Other	0

**Age**
75 to 84	124
85 and over	48
Less than 65	37
65 to 74	163

Average of Total of Conditions of Medicare patients treated by Dr. John Daniel Kornmayer, DO From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. John Daniel Kornmayer, DO treated were hypertension, high cholesterol, chronic kidney disease and depression.

Hypertension	64
High Cholesterol	52
Stroke	2
Ischemic Heart Disease	28
Depression	29
Chronic Kidney Disease	29
Asthma	8
Osteoporosis	5
Heart Failure	11
Chronic Obstructive Pulmonary Disease	11
Diabetes	27
Atrial Fibrillation	9
Cancer	7
Dementia	7

Education & Training

Dr. John Daniel Kornmayer, DO graduated from Des Moines University, College of Osteopathic Medicine in 1995. He completed residency at Mercy St. Vincent Medical Center, Toledo. He is certified by the Osteopathic Medicine-Family Physicians, Board Certified and has a state license in North Carolina.

Medical School: Des Moines University, College of Osteopathic Medicine (1995)

Residency: Mercy St. Vincent Medical Center, Toledo (1998)

Board Certification: Osteopathic Medicine-Family Physicians, Board Certified

Licensed In: North Carolina

Affiliations & Hospitals

Dr. John Daniel Kornmayer, DO is associated with these hospitals and organizations:

UNC Health

HENDERSON COUNTY URGENT CARE CENTER INC

UNC Health Pardee

Insurance Information

Please note: Insurance information may change at any time, and the provider may accept your insurance plan even if it is not listed below. Please contact the provider's office to confirm that your insurance is accepted.

Dr. John Daniel Kornmayer, DO appears to accept the following insurance providers: WellCare, Medicare Advantage, AmeriHealth, United Healthcare, Medicaid, Cigna, OptumHealth Behavioral Solutions (United Behavioral Health), CHAMPVA, Centene, Group Health Plan (GHP), MedCost PPO, North Carolina State Health Plan, Atlantic (Packaging) Corporation, Inc. (administered by Lucent Health), BCBSNC Blue Home with UNC Health Alliance (Blue Home with Novant Health is out of network), CVS Health Individual and Exchange Plans (HIX and ACA) (except for Urgent Care), Contigo Health Plan (WakeMed employees only) (out-of-network beginning January 1, 2026), Aetna Premier Care Network Plus (APCN+) (Tier 2), BCBSNC Group Health Plans (except for Blue High Performance Network (BlueHPN)), Aetna Whole Health (Tier 2), Meritain Health, an Aetna Company, Longevity Health Plan I-SNP and Veterans Affairs Community Care Network.

Insurance Accepted by Provider includes:

According to our sources, Dr. John Daniel Kornmayer, DO accepts the following insurance providers:

WellCare

Medicare Advantage

AmeriHealth

United Healthcare

Medicaid

Cigna

OptumHealth Behavioral Solutions (United Behavioral Health)

CHAMPVA

Centene

Group Health Plan (GHP)

MedCost PPO

North Carolina State Health Plan

Atlantic (Packaging) Corporation, Inc. (administered by Lucent Health)

BCBSNC Blue Home with UNC Health Alliance (Blue Home with Novant Health is out of network)

CVS Health Individual and Exchange Plans (HIX and ACA) (except for Urgent Care)

Contigo Health Plan (WakeMed employees only) (out-of-network beginning January 1, 2026)

Aetna Premier Care Network Plus (APCN+) (Tier 2)

BCBSNC Group Health Plans (except for Blue High Performance Network (BlueHPN))

Aetna Whole Health (Tier 2)

Meritain Health, an Aetna Company

Longevity Health Plan I-SNP

Veterans Affairs Community Care Network

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. John Daniel Kornmayer, DO. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Janssen Pharmaceuticals, Inc	$1,680 XARELTO $1,080	INVOKANA $594	$6
Novo Nordisk Inc	$1,653 Tresiba $401	Ozempic $309	Victoza $248	RYBELSUS $195	Levemir $121	Other $380
Pfizer Inc.	$1,363 LYRICA $506	ELIQUIS $373	EUCRISA $237	CHANTIX $84	EMBEDA $65	Other $98
AstraZeneca Pharmaceuticals LP	$1,235 FARXIGA $607	SYMBICORT $249	CRESTOR $174	BYDUREON WEEKLY $52	ONGLYZA $26	Other $127
Amgen Inc.	$1,227 Prolia $477	Repatha $434	EVENITY $238	Otezla $78
Other	$6,206 TOUJEO $579	Brintellix $553	Kerendia $352	Trintellix $333	Vascepa $272	Other $4,116

**Types of Payments**
Food and Beverage	$12,789
Education	$338
Consulting Fee	$237

Biography

Dr. John Kornmayer's areas of specialization are family medicine and urgent care. He obtained his medical school training at Des Moines University, College of Osteopathic Medicine and performed his residency at Mercy St. Vincent Medical Center, Toledo. Dr. Kornmayer is an in-network provider for several insurance carriers, including Coventry, Cigna, and Centene. He is affiliated with UNC Health.

Select Year:

Dr. John Daniel Kornmayer, DO

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. John Daniel Kornmayer, DO in 2023

By Volume:

By Affordability:

By Affordability:

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Daniel Kornmayer, DO in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Daniel Kornmayer, DO in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Daniel Kornmayer, DO in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Daniel Kornmayer, DO in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Daniel Kornmayer, DO in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Daniel Kornmayer, DO in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Daniel Kornmayer, DO in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Daniel Kornmayer, DO in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Daniel Kornmayer, DO in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Daniel Kornmayer, DO in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

Average of Total of Conditions of Medicare patients treated by Dr. John Daniel Kornmayer, DO From 2012 - 2022

Education & Training

Affiliations & Hospitals

Insurance Information

Ratings & Reviews

General Payments

Biography

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