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Home > MA Providers > Orthopedic Surgeons

Dr. Gregory K. Johnson, MD

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Specializes in: Orthopedics/Orthopedic Surgery

Columbia University, College of Physicians and Surgeons (1984)

288 Groveland Street
Haverhill, MA 01830

(978) 373-3851

Dr. Gregory K. Johnson, MD is an orthopedist in Haverhill, MA specializing in orthopedics/orthopedic surgery. He graduated from Columbia University, College of Physicians and Surgeons in 1984 and has 42 years of experience. Dr. Gregory K. Johnson, MD is affiliated with MASS GENERAL BRIGHAM COMMUNITY PHYSICIANS INC.

Office Locations

288 Groveland Street
Haverhill, MA 01830

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Noteworthy Medicare Patient Procedures Performed by Dr. Gregory K. Johnson, MD in 2023

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

Top 25%

By Volume:

immobilization treatment

In 2012, Dr. Gregory K. Johnson, MD performed more immobilization treatment procedures for Medicare patients than 75% of providers in related specialties within Massachusetts.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Gregory K. Johnson, MD treated as an orthopedist in Haverhill, MA during 2012 were X-rays, musculoskeletal imaging, injections and aspiration.

Volume of procedures performed by Dr. Gregory K. Johnson, MD for Medicare patients.

aspiration	214
doctor visit	778
hip imaging	85
hospital care	87
immobilization	94
injections	227
inpatient care	87
joint surgery	17
lower extremity surgery	17
minimally invasive procedures	17
musculoskeletal imaging	450
pelvic imaging	90
spinal procedures	11
X-rays	551

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Gregory K. Johnson, MD treated as an orthopedist in Haverhill, MA during 2013 were X-rays, musculoskeletal imaging, injections and aspiration.

Volume of procedures performed by Dr. Gregory K. Johnson, MD for Medicare patients.

aspiration	189
decompression surgery	15
doctor visit	778
fracture surgery	14
hip imaging	98
hospital care	103
immobilization	66
injections	213
inpatient care	103
joint surgery	28
lower extremity surgery	42
minimally invasive procedures	31
musculoskeletal imaging	473
nerve procedures	15
pelvic imaging	103
reconstructive surgery	12
spinal procedures	11
upper extremity surgery	15
X-rays	601

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory K. Johnson, MD.

**Gender**
Male	176
Female	335

**Ethnicity**
Non-Hispanic White	419
Black	0
Hispanic	76
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	151
From 75 to 84	126
85 and over	90
Less than 65	144

Conditions of Medicare patients treated by Dr. Gregory K. Johnson, MD in 2013

Hypertension	70
High Cholesterol	61
Stroke	7
Ischemic Heart Disease	30
Depression	33
Chronic Kidney Disease	25
Asthma	14
Osteoperosis	15
Atrial Fibrilation	15
Heart Failure	20
Chronic Obstructive Pulmonary Disease	18
Diabetes	34
Dementia	15
Cancer	11

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Gregory K. Johnson, MD treated as an orthopedist in Haverhill, MA during 2014 were X-rays, musculoskeletal imaging, injections and aspiration.

Volume of procedures performed by Dr. Gregory K. Johnson, MD for Medicare patients.

aspiration	227
doctor visit	701
hip imaging	106
hospital care	88
immobilization	47
injections	243
inpatient care	88
joint surgery	34
lower extremity surgery	34
minimally invasive procedures	11
musculoskeletal imaging	433
pelvic imaging	117
reconstructive surgery	23
spinal procedures	19
tendon surgery	13
upper extremity surgery	13
X-rays	569

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory K. Johnson, MD.

**Gender**
Male	188
Female	335

**Ethnicity**
Non-Hispanic White	428
Black	0
Hispanic	82
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	167
From 75 to 84	124
85 and over	89
Less than 65	143

Conditions of Medicare patients treated by Dr. Gregory K. Johnson, MD in 2014

Hypertension	73
High Cholesterol	58
Stroke	6
Ischemic Heart Disease	29
Depression	35
Chronic Kidney Disease	28
Asthma	12
Osteoperosis	16
Atrial Fibrilation	14
Heart Failure	20
Chronic Obstructive Pulmonary Disease	16
Diabetes	38
Dementia	13
Cancer	11

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Gregory K. Johnson, MD treated as an orthopedist in Haverhill, MA during 2015 were X-rays, musculoskeletal imaging, aspiration and injections.

Volume of procedures performed by Dr. Gregory K. Johnson, MD for Medicare patients.

aspiration	221
doctor visit	760
fracture surgery	15
hip imaging	125
hospital care	61
immobilization	60
injections	221
inpatient care	61
joint surgery	43
lower extremity surgery	58
minimally invasive procedures	13
musculoskeletal imaging	536
pelvic imaging	116
reconstructive surgery	30
spinal procedures	12
X-rays	689

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory K. Johnson, MD.

**Gender**
Male	374
Female	680

**Ethnicity**
Non-Hispanic White	840
Black	0
Hispanic	184
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	364
From 75 to 84	224
85 and over	156
Less than 65	310

Conditions of Medicare patients treated by Dr. Gregory K. Johnson, MD in 2015

Hypertension	72
High Cholesterol	56
Stroke	7
Ischemic Heart Disease	28
Depression	37
Chronic Kidney Disease	25
Asthma	18
Osteoperosis	17
Atrial Fibrilation	12
Heart Failure	20
Chronic Obstructive Pulmonary Disease	19
Diabetes	34
Dementia	12
Cancer	9

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Gregory K. Johnson, MD treated as an orthopedist in Haverhill, MA during 2016 were X-rays, musculoskeletal imaging, injections and aspiration.

Volume of procedures performed by Dr. Gregory K. Johnson, MD for Medicare patients.

aspiration	192
decompression surgery	18
doctor visit	806
fracture surgery	12
hospital care	58
immobilization	41
injections	208
inpatient care	58
joint surgery	22
lower extremity surgery	34
minimally invasive procedures	18
musculoskeletal imaging	511
nerve procedures	18
reconstructive surgery	22
spinal procedures	14
upper extremity surgery	18
X-rays	540

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory K. Johnson, MD.

**Gender**
Male	206
Female	363

**Ethnicity**
Non-Hispanic White	435
Black	0
Hispanic	114
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	192
From 75 to 84	130
85 and over	95
Less than 65	152

Conditions of Medicare patients treated by Dr. Gregory K. Johnson, MD in 2016

Hypertension	70
High Cholesterol	56
Stroke	4
Ischemic Heart Disease	29
Depression	37
Chronic Kidney Disease	30
Asthma	24
Osteoperosis	14
Atrial Fibrilation	12
Heart Failure	19
Chronic Obstructive Pulmonary Disease	18
Diabetes	34
Dementia	15
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Gregory K. Johnson, MD treated as an orthopedist in Haverhill, MA during 2017 were X-rays, musculoskeletal imaging, injections and aspiration.

Volume of procedures performed by Dr. Gregory K. Johnson, MD for Medicare patients.

aspiration	213
doctor visit	785
hospital care	54
immobilization	35
injections	231
inpatient care	54
joint surgery	58
lower extremity surgery	58
minimally invasive procedures	19
musculoskeletal imaging	575
reconstructive surgery	39
spinal procedures	21
X-rays	596

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory K. Johnson, MD.

**Gender**
Male	181
Female	333

**Ethnicity**
Non-Hispanic White	404
Black	0
Hispanic	86
Asian	0
Other	12
Native American	0

**Age**
From 65 to 74	188
From 75 to 84	118
85 and over	85
Less than 65	123

Conditions of Medicare patients treated by Dr. Gregory K. Johnson, MD in 2017

Hypertension	69
High Cholesterol	53
Stroke	5
Ischemic Heart Disease	28
Depression	35
Chronic Kidney Disease	34
Asthma	9
Osteoperosis	12
Atrial Fibrilation	13
Heart Failure	17
Chronic Obstructive Pulmonary Disease	17
Diabetes	34
Dementia	16
Cancer	10

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Gregory K. Johnson, MD treated as an orthopedist in Haverhill, MA during 2018 were X-rays, musculoskeletal imaging, aspiration and injections.

Volume of procedures performed by Dr. Gregory K. Johnson, MD for Medicare patients.

aspiration	253
doctor visit	901
fracture surgery	15
hospital care	54
immobilization	32
injections	253
inpatient care	54
joint surgery	34
lower extremity surgery	49
musculoskeletal imaging	609
reconstructive surgery	34
spinal procedures	25
X-rays	634

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory K. Johnson, MD.

**Gender**
Male	222
Female	417

**Ethnicity**
Non-Hispanic White	498
Black	0
Hispanic	115
Asian	12
Other	0
Native American	0

**Age**
From 65 to 74	217
From 75 to 84	172
85 and over	112
Less than 65	138

Conditions of Medicare patients treated by Dr. Gregory K. Johnson, MD in 2018

Hypertension	71
High Cholesterol	60
Stroke	4
Ischemic Heart Disease	25
Depression	36
Chronic Kidney Disease	32
Asthma	10
Osteoperosis	14
Atrial Fibrilation	12
Heart Failure	16
Chronic Obstructive Pulmonary Disease	16
Diabetes	33
Dementia	15
Cancer	9

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Gregory K. Johnson, MD treated as an orthopedist in Haverhill, MA during 2019 were X-rays, musculoskeletal imaging, injections and aspiration.

Volume of procedures performed by Dr. Gregory K. Johnson, MD for Medicare patients.

aspiration	224
doctor visit	783
hospital care	53
immobilization	33
injections	256
inpatient care	53
joint surgery	17
lower extremity surgery	17
musculoskeletal imaging	521
reconstructive surgery	17
spinal procedures	13
X-rays	534

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory K. Johnson, MD.

**Gender**
Male	202
Female	350

**Ethnicity**
Non-Hispanic White	436
Black	0
Hispanic	102
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	200
From 75 to 84	127
85 and over	84
Less than 65	141

Conditions of Medicare patients treated by Dr. Gregory K. Johnson, MD in 2019

Hypertension	69
High Cholesterol	60
Stroke	6
Ischemic Heart Disease	25
Depression	33
Chronic Kidney Disease	34
Asthma	10
Osteoperosis	11
Atrial Fibrilation	13
Heart Failure	16
Chronic Obstructive Pulmonary Disease	15
Diabetes	34
Dementia	13
Cancer	9

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Gregory K. Johnson, MD treated as an orthopedist in Haverhill, MA during 2020 were X-rays, musculoskeletal imaging, injections and aspiration.

Volume of procedures performed by Dr. Gregory K. Johnson, MD for Medicare patients.

aspiration	304
decompression surgery	11
doctor visit	886
hospital care	31
immobilization	44
injections	320
inpatient care	31
minimally invasive procedures	11
musculoskeletal imaging	593
nerve procedures	11
spinal procedures	30
tendon surgery	12
upper extremity surgery	23
X-rays	639

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory K. Johnson, MD.

**Gender**
Male	219
Female	316

**Ethnicity**
Non-Hispanic White	430
Black	0
Hispanic	86
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	213
From 75 to 84	119
85 and over	78
Less than 65	125

Conditions of Medicare patients treated by Dr. Gregory K. Johnson, MD in 2020

Hypertension	60
High Cholesterol	51
Stroke	5
Ischemic Heart Disease	25
Depression	31
Chronic Kidney Disease	29
Asthma	8
Osteoperosis	9
Atrial Fibrilation	9
Heart Failure	15
Chronic Obstructive Pulmonary Disease	12
Diabetes	28
Dementia	11
Cancer	10

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Gregory K. Johnson, MD treated as an orthopedist in Haverhill, MA during 2021 were X-rays, musculoskeletal imaging, aspiration and injections.

Volume of procedures performed by Dr. Gregory K. Johnson, MD for Medicare patients.

aspiration	255
decompression surgery	13
doctor visit	881
hospital care	17
immobilization	86
injections	255
inpatient care	17
joint surgery	19
lower extremity surgery	19
minimally invasive procedures	13
musculoskeletal imaging	538
nerve procedures	13
reconstructive surgery	19
spinal procedures	48
upper extremity surgery	13
X-rays	586

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory K. Johnson, MD.

**Gender**
Male	174
Female	342

**Ethnicity**
Non-Hispanic White	416
Black	0
Hispanic	80
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	202
From 75 to 84	142
85 and over	71
Less than 65	101

Conditions of Medicare patients treated by Dr. Gregory K. Johnson, MD in 2021

Hypertension	67
High Cholesterol	60
Stroke	6
Ischemic Heart Disease	23
Depression	33
Chronic Kidney Disease	29
Asthma	10
Osteoperosis	10
Atrial Fibrilation	10
Heart Failure	15
Chronic Obstructive Pulmonary Disease	13
Diabetes	28
Dementia	11
Cancer	10

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Gregory K. Johnson, MD treated as an orthopedist in Haverhill, MA during 2022 were injections, aspiration, X-rays and musculoskeletal imaging.

Volume of procedures performed by Dr. Gregory K. Johnson, MD for Medicare patients.

aspiration	225
doctor visit	766
hospital care	13
immobilization	105
injections	245
inpatient care	13
joint surgery	15
lower extremity surgery	15
musculoskeletal imaging	158
pelvic imaging	16
reconstructive surgery	15
spinal procedures	20
X-rays	194

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory K. Johnson, MD.

**Gender**
Male	174
Female	316

**Ethnicity**
Non-Hispanic White	403
Black	0
Hispanic	62
Asian	0
Other	12
Native American	0

**Age**
From 65 to 74	194
From 75 to 84	140
85 and over	75
Less than 65	81

Conditions of Medicare patients treated by Dr. Gregory K. Johnson, MD in 2022

Hypertension	74
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	23
Depression	28
Chronic Kidney Disease	23
Asthma	13
Osteoperosis	15
Atrial Fibrilation	15
Heart Failure	15
Chronic Obstructive Pulmonary Disease	13
Diabetes	25
Dementia	7
Cancer	15

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Gregory K. Johnson, MD for Medicare patients.

The highest averages for the top procedures that Dr. Gregory K. Johnson, MD treated as an orthopedist in Haverhill, MA were X-rays, musculoskeletal imaging, injections and aspiration.

aspiration	228
decompression surgery	14
doctor visit	802
fracture surgery	14
hip imaging	103
hospital care	56
immobilization	58
injections	242
inpatient care	56
joint surgery	28
lower extremity surgery	34
minimally invasive procedures	16
musculoskeletal imaging	490
nerve procedures	14
pelvic imaging	88
reconstructive surgery	23
spinal procedures	20
tendon surgery	12
upper extremity surgery	16
X-rays	557

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Gregory K. Johnson, MD.

**Gender**
Male	192
Female	344

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	1
Non-Hispanic White	428
Hispanic	89
Native American / Alaskan Native	0
Other	2

**Age**
75 to 84	129
85 and over	85
Less than 65	132
65 to 74	189

Average of Total of Conditions of Medicare patients treated by Dr. Gregory K. Johnson, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Gregory K. Johnson, MD treated were hypertension, high cholesterol, depression and diabetes.

Hypertension	63
High Cholesterol	53
Stroke	5
Ischemic Heart Disease	24
Depression	30
Chronic Kidney Disease	26
Asthma	11
Osteoporosis	12
Heart Failure	15
Chronic Obstructive Pulmonary Disease	14
Diabetes	29
Atrial Fibrillation	11
Cancer	9
Dementia	11

Education & Training

Dr. Gregory K. Johnson, MD graduated from Columbia University, College of Physicians and Surgeons in 1984. He has a state license in Massachusetts.

Medical School: Columbia University, College of Physicians and Surgeons (1984)

Licensed In: Massachusetts

Affiliations & Hospitals

Dr. Gregory K. Johnson, MD is associated with these hospitals and organizations:

MASS GENERAL BRIGHAM COMMUNITY PHYSICIANS INC

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General Payments

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

**Payments by Company**
Stryker Corporation	$4,108 HIPS $1,282	Mako $800	MAKOplasty $522	KNEES $433	SURGICAL $151	Other $920
Smith & Nephew, Inc.	$287 TRIGEN Femoral (FAN/TAN/Meta Nail) $150	Recon Knees $137
Blue Belt Technologies, Inc.	$130 Navio PFS System $130
Anika Therapeutics, Inc.	$104 TACTOSET $104
Canon Medical Systems USA, Inc.	$45 $45
Other	$47 Exparel $27	Knee $20

**Types of Payments**
Travel and Lodging	$2,810
Food and Beverage	$1,912

Biography

Dr. Gregory Johnson is a specialist in orthopedics/orthopedic surgery and sports medicine. He attended medical school at Columbia University, College of Physicians and Surgeons.

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Dr. Gregory K. Johnson, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Gregory K. Johnson, 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. Gregory K. Johnson, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory K. Johnson, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory K. Johnson, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory K. Johnson, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory K. Johnson, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory K. Johnson, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory K. Johnson, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory K. Johnson, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory K. Johnson, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory K. Johnson, 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. Gregory K. Johnson, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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