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Home > CA Providers > Family Physicians & Family Medicine Specialists

Dr. Lorena H. Tan, MD

Accepting New Patients

(9 Ratings)

Specializes in: Family Medicine and Urgent Care

University of California, Los Angeles (UCLA), David Geffen School of Medicine

1133 East Stanley Boulevard Suite 201
Livermore, CA 94550

(925) 443-9000

Dr. Lorena H. Tan, MD is a family medicine practitioner in Livermore, CA specializing in family medicine and urgent care. She graduated from University of California, Los Angeles (UCLA), David Geffen School of Medicine. Dr. Lorena H. Tan, MD is affiliated with Brown and Toland Physicians, Hill Physicians and Stanford Health Care - Tri-Valley.

Office Locations

Stanford Health Care - Tri-Valley

1133 East Stanley Boulevard Suite 201
Livermore, CA 94550

(925) 443-9000

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Noteworthy Medicare Patient Procedures Performed by Dr. Lorena H. Tan, MD in 2023

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

Top 10%

By Volume:

urinalysis

In 2023, Dr. Lorena H. Tan, MD performed more urinalysis procedures for Medicare patients than 90% of providers in related specialties within California.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Lorena H. Tan, MD treated as a family medicine practitioner in Livermore, CA during 2012 were preventive care, vaccines, lab tests and ear procedures.

Volume of procedures performed by Dr. Lorena H. Tan, MD for Medicare patients.

cardiac procedures	14
doctor visit	1282
ear procedures	44
lab tests	182
preventive care	219
removal of lesion (e.g. growth)	16
skin procedures	16
skin testing	12
tuberculosis (TB) testing	12
vaccines	205

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Lorena H. Tan, MD treated as a family medicine practitioner in Livermore, CA during 2013 were lab tests, preventive care, vaccines and ear procedures.

Volume of procedures performed by Dr. Lorena H. Tan, MD for Medicare patients.

blood draw	32
doctor visit	1316
ear procedures	48
lab tests	235
preventive care	208
skin testing	13
tuberculosis (TB) testing	13
vaccines	186

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Lorena H. Tan, MD.

**Gender**
Male	124
Female	283

**Ethnicity**
Non-Hispanic White	327
Black	0
Hispanic	42
Asian	22
Other	0
Native American	0

**Age**
From 65 to 74	200
From 75 to 84	123
85 and over	54
Less than 65	30

Conditions of Medicare patients treated by Dr. Lorena H. Tan, MD in 2013

Hypertension	70
High Cholesterol	67
Stroke	5
Ischemic Heart Disease	21
Depression	14
Chronic Kidney Disease	16
Asthma	6
Osteoperosis	5
Atrial Fibrilation	11
Heart Failure	12
Chronic Obstructive Pulmonary Disease	4
Diabetes	24
Dementia	13
Cancer	8

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Lorena H. Tan, MD treated as a family medicine practitioner in Livermore, CA during 2014 were lab tests, preventive care, vaccines and ear procedures.

Volume of procedures performed by Dr. Lorena H. Tan, MD for Medicare patients.

blood draw	40
doctor visit	1349
ear procedures	49
lab tests	263
preventive care	192
removal of lesion (e.g. growth)	13
skin procedures	13
vaccines	180

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Lorena H. Tan, MD.

**Gender**
Male	131
Female	279

**Ethnicity**
Non-Hispanic White	331
Black	0
Hispanic	38
Asian	25
Other	0
Native American	0

**Age**
From 65 to 74	212
From 75 to 84	126
85 and over	48
Less than 65	24

Conditions of Medicare patients treated by Dr. Lorena H. Tan, MD in 2014

Hypertension	66
High Cholesterol	69
Stroke	5
Ischemic Heart Disease	21
Depression	11
Chronic Kidney Disease	16
Asthma	5
Osteoperosis	4
Atrial Fibrilation	10
Heart Failure	11
Chronic Obstructive Pulmonary Disease	4
Diabetes	25
Dementia	11
Cancer	9

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Lorena H. Tan, MD treated as a family medicine practitioner in Livermore, CA during 2015 were preventive care, vaccines, lab tests and ear procedures.

Volume of procedures performed by Dr. Lorena H. Tan, MD for Medicare patients.

doctor visit	1448
ear procedures	56
lab tests	225
preventive care	425
vaccines	425

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Lorena H. Tan, MD.

**Gender**
Male	290
Female	612

**Ethnicity**
Non-Hispanic White	730
Black	0
Hispanic	70
Asian	66
Other	0
Native American	0

**Age**
From 65 to 74	462
From 75 to 84	284
85 and over	102
Less than 65	54

Conditions of Medicare patients treated by Dr. Lorena H. Tan, MD in 2015

Hypertension	65
High Cholesterol	67
Stroke	4
Ischemic Heart Disease	20
Depression	12
Chronic Kidney Disease	15
Asthma	7
Osteoperosis	5
Atrial Fibrilation	11
Heart Failure	10
Chronic Obstructive Pulmonary Disease	6
Diabetes	26
Dementia	11
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Lorena H. Tan, MD treated as a family medicine practitioner in Livermore, CA during 2016 were preventive care, vaccines, lab tests and ear procedures.

Volume of procedures performed by Dr. Lorena H. Tan, MD for Medicare patients.

doctor visit	1649
ear procedures	44
lab tests	331
preventive care	394
vaccines	394

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Lorena H. Tan, MD.

**Gender**
Male	165
Female	343

**Ethnicity**
Non-Hispanic White	417
Black	0
Hispanic	38
Asian	33
Other	0
Native American	0

**Age**
From 65 to 74	253
From 75 to 84	158
85 and over	66
Less than 65	31

Conditions of Medicare patients treated by Dr. Lorena H. Tan, MD in 2016

Hypertension	67
High Cholesterol	58
Stroke	4
Ischemic Heart Disease	21
Depression	15
Chronic Kidney Disease	22
Asthma	7
Osteoperosis	5
Atrial Fibrilation	10
Heart Failure	11
Chronic Obstructive Pulmonary Disease	6
Diabetes	26
Dementia	11
Cancer	9

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Lorena H. Tan, MD treated as a family medicine practitioner in Livermore, CA during 2017 were preventive care, vaccines, lab tests and ear procedures.

Volume of procedures performed by Dr. Lorena H. Tan, MD for Medicare patients.

doctor visit	1759
ear procedures	20
lab tests	357
preventive care	386
removal of lesion (e.g. growth)	11
skin procedures	11
vaccines	386

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Lorena H. Tan, MD.

**Gender**
Male	188
Female	391

**Ethnicity**
Non-Hispanic White	463
Black	0
Hispanic	52
Asian	43
Other	0
Native American	0

**Age**
From 65 to 74	292
From 75 to 84	186
85 and over	65
Less than 65	36

Conditions of Medicare patients treated by Dr. Lorena H. Tan, MD in 2017

Hypertension	66
High Cholesterol	27
Stroke	3
Ischemic Heart Disease	18
Depression	17
Chronic Kidney Disease	19
Asthma	6
Osteoperosis	5
Atrial Fibrilation	8
Heart Failure	11
Chronic Obstructive Pulmonary Disease	5
Diabetes	25
Dementia	9
Cancer	8

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Lorena H. Tan, MD treated as a family medicine practitioner in Livermore, CA during 2018 were lab tests, preventive care, vaccines and ear procedures.

Volume of procedures performed by Dr. Lorena H. Tan, MD for Medicare patients.

breathing treatment	14
doctor visit	1873
ear procedures	17
lab tests	397
preventive care	392
vaccines	392

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Lorena H. Tan, MD.

**Gender**
Male	187
Female	397

**Ethnicity**
Non-Hispanic White	469
Black	0
Hispanic	49
Asian	45
Other	0
Native American	0

**Age**
From 65 to 74	289
From 75 to 84	187
85 and over	77
Less than 65	31

Conditions of Medicare patients treated by Dr. Lorena H. Tan, MD in 2018

Hypertension	67
High Cholesterol	59
Stroke	3
Ischemic Heart Disease	20
Depression	16
Chronic Kidney Disease	21
Asthma	5
Osteoperosis	7
Atrial Fibrilation	10
Heart Failure	10
Chronic Obstructive Pulmonary Disease	4
Diabetes	27
Dementia	9
Cancer	9

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Lorena H. Tan, MD treated as a family medicine practitioner in Livermore, CA during 2019 were lab tests, preventive care, vaccines and ear procedures.

Volume of procedures performed by Dr. Lorena H. Tan, MD for Medicare patients.

doctor visit	2100
ear procedures	11
lab tests	422
preventive care	376
vaccines	376

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Lorena H. Tan, MD.

**Gender**
Male	213
Female	432

**Ethnicity**
Non-Hispanic White	524
Black	0
Hispanic	45
Asian	43
Other	0
Native American	0

**Age**
From 65 to 74	322
From 75 to 84	196
85 and over	89
Less than 65	38

Conditions of Medicare patients treated by Dr. Lorena H. Tan, MD in 2019

Hypertension	66
High Cholesterol	60
Stroke	3
Ischemic Heart Disease	20
Depression	15
Chronic Kidney Disease	23
Asthma	5
Osteoperosis	7
Atrial Fibrilation	9
Heart Failure	12
Chronic Obstructive Pulmonary Disease	6
Diabetes	28
Dementia	11
Cancer	11

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Lorena H. Tan, MD treated as a family medicine practitioner in Livermore, CA during 2020 were preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. Lorena H. Tan, MD for Medicare patients.

doctor visit	1370
lab tests	225
preventive care	232
vaccines	232

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Lorena H. Tan, MD.

**Gender**
Male	219
Female	432

**Ethnicity**
Non-Hispanic White	528
Black	0
Hispanic	48
Asian	48
Other	0
Native American	0

**Age**
From 65 to 74	333
From 75 to 84	206
85 and over	80
Less than 65	32

Conditions of Medicare patients treated by Dr. Lorena H. Tan, MD in 2020

Hypertension	61
High Cholesterol	60
Stroke	2
Ischemic Heart Disease	21
Depression	17
Chronic Kidney Disease	24
Asthma	6
Osteoperosis	7
Atrial Fibrilation	10
Heart Failure	12
Chronic Obstructive Pulmonary Disease	4
Diabetes	26
Dementia	10
Cancer	9

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Lorena H. Tan, MD treated as a family medicine practitioner in Livermore, CA during 2021 were lab tests, preventive care, vaccines and ear procedures.

Volume of procedures performed by Dr. Lorena H. Tan, MD for Medicare patients.

doctor visit	1315
ear procedures	14
lab tests	308
preventive care	169
vaccines	169

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Lorena H. Tan, MD.

**Gender**
Male	236
Female	451

**Ethnicity**
Non-Hispanic White	559
Black	0
Hispanic	45
Asian	52
Other	0
Native American	0

**Age**
From 65 to 74	350
From 75 to 84	221
85 and over	90
Less than 65	26

Conditions of Medicare patients treated by Dr. Lorena H. Tan, MD in 2021

Hypertension	64
High Cholesterol	61
Stroke	3
Ischemic Heart Disease	21
Depression	16
Chronic Kidney Disease	24
Asthma	7
Osteoperosis	10
Atrial Fibrilation	10
Heart Failure	11
Chronic Obstructive Pulmonary Disease	5
Diabetes	26
Dementia	12
Cancer	11

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Lorena H. Tan, MD treated as a family medicine practitioner in Livermore, CA during 2022 were lab tests, preventive care and vaccines.

Volume of procedures performed by Dr. Lorena H. Tan, MD for Medicare patients.

doctor visit	1151
lab tests	68
preventive care	62
vaccines	62

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Lorena H. Tan, MD.

**Gender**
Male	217
Female	426

**Ethnicity**
Non-Hispanic White	521
Black	0
Hispanic	45
Asian	50
Other	0
Native American	0

**Age**
From 65 to 74	323
From 75 to 84	222
85 and over	73
Less than 65	25

Conditions of Medicare patients treated by Dr. Lorena H. Tan, MD in 2022

Hypertension	73
High Cholesterol	72
Stroke	4
Ischemic Heart Disease	14
Depression	12
Chronic Kidney Disease	17
Asthma	9
Osteoperosis	14
Atrial Fibrilation	14
Heart Failure	10
Chronic Obstructive Pulmonary Disease	7
Diabetes	23
Dementia	8
Cancer	15

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Lorena H. Tan, MD for Medicare patients.

The highest averages for the top procedures that Dr. Lorena H. Tan, MD treated as a family medicine practitioner in Livermore, CA were preventive care, lab tests, vaccines and blood draw.

blood draw	36
cardiac procedures	14
doctor visit	1510
ear procedures	33
lab tests	273
preventive care	277
removal of lesion (e.g. growth)	13
skin procedures	13
skin testing	12
tuberculosis (TB) testing	12
vaccines	273

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Lorena H. Tan, MD.

**Gender**
Male	179
Female	367

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	38
Non-Hispanic White	442
Native American / Alaskan Native	0
Hispanic	42
Other	0

**Age**
75 to 84	173
85 and over	67
Less than 65	29
65 to 74	276

Average of Total of Conditions of Medicare patients treated by Dr. Lorena H. Tan, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Lorena H. Tan, MD treated were hypertension, high cholesterol, diabetes and chronic kidney disease.

Hypertension	60
High Cholesterol	54
Stroke	3
Ischemic Heart Disease	17
Depression	13
Chronic Kidney Disease	17
Asthma	5
Osteoporosis	6
Heart Failure	10
Chronic Obstructive Pulmonary Disease	4
Diabetes	23
Atrial Fibrillation	9
Dementia	9
Cancer	9

Education & Training

Dr. Lorena H. Tan, MD graduated from University of California, Los Angeles (UCLA), David Geffen School of Medicine. She completed residency at University of California, San Francisco (UCSF) Affiliated Hospitals. She is certified by the American Board of Family Medicine and has a state license in California.

Medical School: University of California, Los Angeles (UCLA), David Geffen School of Medicine

Residency: University of California, San Francisco (UCSF) Affiliated Hospitals

Board Certification: American Board of Family Medicine (2026)

Licensed In: California

Affiliations & Hospitals

Dr. Lorena H. Tan, MD is associated with these hospitals and organizations:

Brown and Toland Physicians

Hill Physicians

Stanford Health Care - Tri-Valley

Ratings & Reviews

Dr. Lorena H. Tan, MD has a high overall rating with an average of 3.67 out of 5 stars based on 9 ratings. We collect ratings and reviews of Dr. Lorena H. Tan, MD from all over the web to help you find the right in Livermore, CA.

3.67

Overall Rating

(9 Ratings)

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General Payments

These charts describe general payments received by Dr. Lorena H. Tan, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
AstraZeneca Pharmaceuticals LP	$1,525 FARXIGA $303	CRESTOR $184	BRILINTA $172	SYMBICORT $154	BEVESPI AEROSPHERE $125	Other $587
Novo Nordisk Inc	$1,513 Ozempic $343	RYBELSUS $334	Tresiba $311	Victoza $279	NovoLog $110	Other $136
GlaxoSmithKline, LLC.	$1,384 TRELEGY ELLIPTA $592	ANORO $222	BREO $194	SHINGRIX $101	TANZEUM $74	Other $199
Takeda Pharmaceuticals America, Inc.	$1,178 Brintellix $377	Kazano $212	AMITIZA $156	Nesina $132	Trintellix $105	Other $196
Pfizer Inc.	$1,065 ELIQUIS $267	LYRICA $250	VIAGRA $106	PREVNAR - 13 $80	CELEBREX $67	Other $295
Other	$9,057 Vascepa $1,586	LINZESS $260	SYNJARDY XR $251	OFEV $250	TOUJEO $229	Other $6,481

**Types of Payments**
Food and Beverage	$15,248
Education	$468
Consulting Fee	$4

Biography

Dr. Lorena Tan's areas of specialization are family medicine and urgent care; she sees patients in Livermore, CA. Dr. Tan graduated from the University of California, Los Angeles (UCLA), David Geffen School of Medicine and the University of Southern California (USC), Keck School of Medicine. She completed her residency training at a hospital affiliated with the University of California, San Francisco (UCSF). Her average rating from her patients is 3.5 stars (out of 5). Dr. Tan (or staff) is conversant in Filipino, Spanish, and Burmese. Her professional affiliations include Brown and Toland Physicians and Hill Physicians. Her practice in Livermore, CA is open to new patients as reported by Brown and Toland Physicians.

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Dr. Lorena H. Tan, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Lorena H. Tan, MD in 2023

By Volume:

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. Lorena H. Tan, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lorena H. Tan, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lorena H. Tan, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lorena H. Tan, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lorena H. Tan, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lorena H. Tan, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lorena H. Tan, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lorena H. Tan, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lorena H. Tan, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lorena H. Tan, MD 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. Lorena H. Tan, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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