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Dr. John Maxwell Carment, MD

Accepting New Patients

(285 Ratings)

Specializes in: Internal Medicine (Adult Medicine) and Geriatrics (Elderly Care)

University of Oklahoma College of Medicine

4444 E 41ST STREET
TULSA, OK 74135

(918) 619-4100

Dr. John Maxwell Carment, MD is an internist in TULSA, OK specializing in internal medicine (adult medicine) and geriatrics (elderly care). He graduated from University of Oklahoma College of Medicine. Dr. John Maxwell Carment, MD is affiliated with OU Health, Ascension, Schusterman Center - Internal Medicine Clinic and Schusterman Center.

Office Locations

4444 E 41ST STREET
TULSA, OK 74135

open_in_new

In The News

“At 10:30 a.m. Wednesday, the Tulsa Jewish Retirement and Health Care Center will celebrate the grand opening of its 2,000-square-foot clinic staffed by University of Oklahoma School of Community...”—"University of Oklahoma School of Community Medicine", The Journal Record, October 2013

Noteworthy Medicare Patient Procedures Performed by Dr. John Maxwell Carment, MD in 2024

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

Top 25%

By Affordability:

preventive care

In 2012, Dr. John Maxwell Carment, MD had a list price for preventive care that was lower than the list prices billed to Medicare by 75% of providers in related specialties within Oklahoma. 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 Maxwell Carment, MD treated as an internist in TULSA, OK during 2012 were nursing home care, hospital care, inpatient care and preventive care.

Volume of procedures performed by Dr. John Maxwell Carment, MD for Medicare patients.

aspiration	40
doctor visit	1320
hospital care	126
injections	40
inpatient care	126
nursing home care	395
preventive care	53
removal of lesion (e.g. growth)	23
skin procedures	23
vaccines	53

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John Maxwell Carment, MD treated as an internist in TULSA, OK during 2013 were nursing home care, hospital care, inpatient care and preventive care.

Volume of procedures performed by Dr. John Maxwell Carment, MD for Medicare patients.

aspiration	32
doctor visit	1178
hospital care	40
injections	32
inpatient care	40
nursing home care	474
preventive care	35
removal of lesion (e.g. growth)	31
skin procedures	31
vaccines	35

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John Maxwell Carment, MD.

**Gender**
Male	179
Female	367

**Ethnicity**
Non-Hispanic White	440
Black	56
Hispanic	0
Asian	0
Other	0
Native American	30

**Age**
From 65 to 74	82
From 75 to 84	145
85 and over	207
Less than 65	112

Conditions of Medicare patients treated by Dr. John Maxwell Carment, MD in 2013

Hypertension	72
High Cholesterol	33
Stroke	6
Ischemic Heart Disease	35
Depression	36
Chronic Kidney Disease	26
Asthma	7
Osteoperosis	14
Atrial Fibrilation	14
Heart Failure	28
Chronic Obstructive Pulmonary Disease	16
Diabetes	29
Dementia	35
Cancer	8

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John Maxwell Carment, MD treated as an internist in TULSA, OK during 2014 were nursing home care, aspiration, preventive care and vaccines.

Volume of procedures performed by Dr. John Maxwell Carment, MD for Medicare patients.

aspiration	19
doctor visit	879
injections	19
nursing home care	523
preventive care	19
vaccines	19

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John Maxwell Carment, MD.

**Gender**
Male	151
Female	333

**Ethnicity**
Non-Hispanic White	387
Black	62
Hispanic	0
Asian	0
Other	0
Native American	22

**Age**
From 65 to 74	75
From 75 to 84	119
85 and over	166
Less than 65	124

Conditions of Medicare patients treated by Dr. John Maxwell Carment, MD in 2014

Hypertension	70
High Cholesterol	30
Stroke	10
Ischemic Heart Disease	32
Depression	38
Chronic Kidney Disease	29
Asthma	7
Osteoperosis	13
Atrial Fibrilation	14
Heart Failure	27
Chronic Obstructive Pulmonary Disease	16
Diabetes	30
Dementia	31
Cancer	7

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John Maxwell Carment, MD treated as an internist in TULSA, OK during 2015 were nursing home care, lab tests, preventive care and vaccines.

Volume of procedures performed by Dr. John Maxwell Carment, MD for Medicare patients.

aspiration	21
doctor visit	872
injections	21
lab tests	55
nursing home care	576
preventive care	44
vaccines	44

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John Maxwell Carment, MD.

**Gender**
Male	320
Female	678

**Ethnicity**
Non-Hispanic White	810
Black	112
Hispanic	0
Asian	0
Other	0
Native American	54

**Age**
From 65 to 74	184
From 75 to 84	258
85 and over	340
Less than 65	216

Conditions of Medicare patients treated by Dr. John Maxwell Carment, MD in 2015

Hypertension	71
High Cholesterol	37
Stroke	7
Ischemic Heart Disease	36
Depression	38
Chronic Kidney Disease	34
Asthma	13
Osteoperosis	16
Atrial Fibrilation	17
Heart Failure	28
Chronic Obstructive Pulmonary Disease	15
Diabetes	33
Dementia	33
Cancer	6

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John Maxwell Carment, MD treated as an internist in TULSA, OK during 2016 were nursing home care, preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. John Maxwell Carment, MD for Medicare patients.

aspiration	20
doctor visit	776
injections	20
lab tests	35
nursing home care	626
preventive care	49
vaccines	49

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John Maxwell Carment, MD.

**Gender**
Male	134
Female	273

**Ethnicity**
Non-Hispanic White	345
Black	33
Hispanic	0
Asian	0
Other	0
Native American	13

**Age**
From 65 to 74	71
From 75 to 84	124
85 and over	159
Less than 65	53

Conditions of Medicare patients treated by Dr. John Maxwell Carment, MD in 2016

Hypertension	71
High Cholesterol	38
Stroke	8
Ischemic Heart Disease	33
Depression	38
Chronic Kidney Disease	36
Asthma	17
Osteoperosis	17
Atrial Fibrilation	15
Heart Failure	24
Chronic Obstructive Pulmonary Disease	13
Diabetes	31
Dementia	39
Cancer	8

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John Maxwell Carment, MD treated as an internist in TULSA, OK during 2017 were nursing home care, preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. John Maxwell Carment, MD for Medicare patients.

diabetes management	26
doctor visit	774
lab tests	26
nursing home care	354
preventive care	108
removal of lesion (e.g. growth)	14
skin procedures	14
vaccines	82

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John Maxwell Carment, MD.

**Gender**
Male	120
Female	247

**Ethnicity**
Non-Hispanic White	328
Black	22
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	62
From 75 to 84	123
85 and over	158
Less than 65	24

Conditions of Medicare patients treated by Dr. John Maxwell Carment, MD in 2017

Hypertension	69
High Cholesterol	35
Stroke	9
Ischemic Heart Disease	36
Depression	35
Chronic Kidney Disease	34
Asthma	6
Osteoperosis	19
Atrial Fibrilation	16
Heart Failure	28
Chronic Obstructive Pulmonary Disease	11
Diabetes	28
Dementia	43
Cancer	10

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John Maxwell Carment, MD treated as an internist in TULSA, OK during 2018 were nursing home care, preventive care, lab tests and diabetes management.

Volume of procedures performed by Dr. John Maxwell Carment, MD for Medicare patients.

aspiration	24
diabetes management	51
doctor visit	733
injections	24
lab tests	64
nursing home care	438
preventive care	94
vaccines	43

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John Maxwell Carment, MD.

**Gender**
Male	117
Female	234

**Ethnicity**
Non-Hispanic White	318
Black	18
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	72
From 75 to 84	99
85 and over	165
Less than 65	15

Conditions of Medicare patients treated by Dr. John Maxwell Carment, MD in 2018

Hypertension	71
High Cholesterol	34
Stroke	7
Ischemic Heart Disease	37
Depression	38
Chronic Kidney Disease	37
Asthma	5
Osteoperosis	14
Atrial Fibrilation	19
Heart Failure	32
Chronic Obstructive Pulmonary Disease	13
Diabetes	29
Dementia	42
Cancer	7

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John Maxwell Carment, MD treated as an internist in TULSA, OK during 2019 were nursing home care, preventive care, lab tests and diabetes management.

Volume of procedures performed by Dr. John Maxwell Carment, MD for Medicare patients.

aspiration	16
diabetes management	50
doctor visit	754
injections	16
lab tests	62
nursing home care	498
preventive care	91
vaccines	41

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John Maxwell Carment, MD.

**Gender**
Male	122
Female	235

**Ethnicity**
Non-Hispanic White	330
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	129
85 and over	149
Less than 65	0

Conditions of Medicare patients treated by Dr. John Maxwell Carment, MD in 2019

Hypertension	70
High Cholesterol	37
Stroke	6
Ischemic Heart Disease	33
Depression	37
Chronic Kidney Disease	37
Asthma	6
Osteoperosis	15
Atrial Fibrilation	16
Heart Failure	33
Chronic Obstructive Pulmonary Disease	15
Diabetes	29
Dementia	44
Cancer	9

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John Maxwell Carment, MD treated as an internist in TULSA, OK during 2020 were nursing home care, preventive care, lab tests and diabetes management.

Volume of procedures performed by Dr. John Maxwell Carment, MD for Medicare patients.

diabetes management	26
doctor visit	494
lab tests	26
nursing home care	407
preventive care	46
vaccines	20

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John Maxwell Carment, MD.

**Gender**
Male	109
Female	243

**Ethnicity**
Non-Hispanic White	324
Black	13
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	131
85 and over	146
Less than 65	0

Conditions of Medicare patients treated by Dr. John Maxwell Carment, MD in 2020

Hypertension	70
High Cholesterol	40
Stroke	6
Ischemic Heart Disease	29
Depression	36
Chronic Kidney Disease	40
Asthma	6
Osteoperosis	20
Atrial Fibrilation	14
Heart Failure	28
Chronic Obstructive Pulmonary Disease	11
Diabetes	29
Dementia	41
Cancer	8

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John Maxwell Carment, MD treated as an internist in TULSA, OK during 2021 were nursing home care, preventive care, lab tests and diabetes management.

Volume of procedures performed by Dr. John Maxwell Carment, MD for Medicare patients.

diabetes management	18
doctor visit	573
lab tests	18
nursing home care	424
preventive care	103

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John Maxwell Carment, MD.

**Gender**
Male	94
Female	224

**Ethnicity**
Non-Hispanic White	286
Black	12
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	119
85 and over	136
Less than 65	0

Conditions of Medicare patients treated by Dr. John Maxwell Carment, MD in 2021

Hypertension	69
High Cholesterol	41
Stroke	8
Ischemic Heart Disease	28
Depression	33
Chronic Kidney Disease	39
Asthma	8
Osteoperosis	19
Atrial Fibrilation	13
Heart Failure	29
Chronic Obstructive Pulmonary Disease	12
Diabetes	27
Dementia	40
Cancer	9

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John Maxwell Carment, MD treated as an internist in TULSA, OK during 2022 were nursing home care, preventive care, lab tests and diabetes management.

Volume of procedures performed by Dr. John Maxwell Carment, MD for Medicare patients.

diabetes management	21
doctor visit	522
lab tests	21
nursing home care	510
preventive care	112

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John Maxwell Carment, MD.

**Gender**
Male	86
Female	199

**Ethnicity**
Non-Hispanic White	259
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	101
85 and over	127
Less than 65	0

Conditions of Medicare patients treated by Dr. John Maxwell Carment, MD in 2022

Hypertension	75
High Cholesterol	56
Stroke	13
Ischemic Heart Disease	24
Depression	36
Chronic Kidney Disease	28
Asthma	9
Osteoperosis	28
Atrial Fibrilation	26
Heart Failure	27
Chronic Obstructive Pulmonary Disease	13
Diabetes	26
Dementia	35
Cancer	13

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. John Maxwell Carment, MD treated as an internist in TULSA, OK during 2023 were nursing home care, preventive care and vaccines.

Volume of procedures performed by Dr. John Maxwell Carment, MD for Medicare patients.

doctor visit	484
nursing home care	451
preventive care	49
vaccines	16

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. John Maxwell Carment, MD.

**Gender**
Male	85
Female	184

**Ethnicity**
Non-Hispanic White	247
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	102
85 and over	119
Less than 65	0

Conditions of Medicare patients treated by Dr. John Maxwell Carment, MD in 2023

Hypertension	75
High Cholesterol	59
Stroke	11
Ischemic Heart Disease	29
Depression	38
Chronic Kidney Disease	29
Asthma	8
Osteoperosis	27
Atrial Fibrilation	29
Heart Failure	26
Chronic Obstructive Pulmonary Disease	13
Diabetes	26
Dementia	31
Cancer	15

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. John Maxwell Carment, MD treated as an internist in TULSA, OK during 2024 were nursing home care, preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. John Maxwell Carment, MD for Medicare patients.

diabetes management	19
doctor visit	443
lab tests	19
nursing home care	513
preventive care	44
vaccines	25

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. John Maxwell Carment, MD.

**Gender**
Male	84
Female	188

**Ethnicity**
Non-Hispanic White	252
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	100
85 and over	129
Less than 65	0

Conditions of Medicare patients treated by Dr. John Maxwell Carment, MD in 2024

Hypertension	75
High Cholesterol	63
Stroke	14
Ischemic Heart Disease	35
Depression	36
Chronic Kidney Disease	34
Asthma	10
Osteoperosis	29
Atrial Fibrilation	28
Heart Failure	29
Chronic Obstructive Pulmonary Disease	16
Diabetes	26
Dementia	40
Cancer	15

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. John Maxwell Carment, MD for Medicare patients.

The highest averages for the top procedures that Dr. John Maxwell Carment, MD treated as an internist in TULSA, OK were nursing home care, hospital care, inpatient care and preventive care.

aspiration	24
diabetes management	30
doctor visit	754
hospital care	83
injections	24
inpatient care	83
lab tests	36
nursing home care	476
preventive care	65
removal of lesion (e.g. growth)	22
skin procedures	22
vaccines	38

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. John Maxwell Carment, MD.

**Gender**
Female	261
Male	123

**Ethnicity**
Black / African American	25
Asian / Pacific Islander	0
Non-Hispanic White	332
Native American / Alaskan Native	9
Hispanic	0
Other	0

**Age**
75 to 84	119
85 and over	153
Less than 65	41
65 to 74	42

Average of Total of Conditions of Medicare patients treated by Dr. John Maxwell Carment, MD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. John Maxwell Carment, MD treated were hypertension, high cholesterol, dementia and depression.

Hypertension	66
High Cholesterol	38
Stroke	8
Ischemic Heart Disease	29
Depression	33
Chronic Kidney Disease	31
Asthma	7
Osteoporosis	17
Heart Failure	26
Chronic Obstructive Pulmonary Disease	12
Diabetes	26
Atrial Fibrillation	17
Dementia	34
Cancer	8

Education & Training

Dr. John Maxwell Carment, MD graduated from University of Oklahoma College of Medicine. He completed residency at University of Arizona Affiliated Hospitals. He is certified by the American Board of Internal Medicine (Sub: Geriatric Medicine) and has a state license in Oklahoma.

Medical School: University of Oklahoma College of Medicine

Residency: University of Arizona Affiliated Hospitals

Board Certification: American Board of Internal Medicine (Sub: Geriatric Medicine)

Licensed In: Oklahoma

Affiliations & Hospitals

Dr. John Maxwell Carment, MD is associated with these hospitals and organizations:

OU Health

Ascension

Schusterman Center - Internal Medicine Clinic

Schusterman Center

Ratings & Reviews

Dr. John Maxwell Carment, MD has an exceptional overall rating with an average of 4.9 out of 5 stars based on 285 ratings. We collect ratings and reviews of Dr. John Maxwell Carment, MD from all over the web to help you find the right in TULSA, OK.

4.9

Overall Rating

(285 Ratings)

Leave a Review

Reviews From Around The Web

Overall Rating: 5.0 2025-11-27

Patient verified via Press Ganey

Dr. Carment takes time to listen to what I have to say! He's never in a hurry and his relaxed demeanor makes me less anxious! He's great!!

Overall Rating: 5.0 2025-09-04

Patient verified via Press Ganey

No problems. I appreciated all of the discussion time I got to spend with Dr. Carment.

Overall Rating: 5.0 2025-12-17

Patient verified via Press Ganey

Dr. Carment is always very attentive and involves me in decisions.

Overall Rating: 4.0 2026-01-24

Patient verified via Press Ganey

I always get my question answered

Overall Rating: 5.0 2026-02-21

Patient verified via Press Ganey

Good

General Payments

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

**Payments by Company**
Otsuka America Pharmaceutical, Inc.	$41 REXULTI $41
Sumitomo Pharma America, Inc.	$2 GEMTESA $2

**Types of Payments**
Food and Beverage	$41
Education	$2

Biography

Dr. John Carment works as a geriatrics (elderly care). His hospital/clinic affiliations include Ascension and OU Health. Dr. Carment studied medicine at the University of Oklahoma College of Medicine. He trained at a hospital affiliated with the University of Arizona for his residency. Patient reviews placed him at an average of 5.0 stars (out of 5). According to OU Health, he is currently accepting new patients at his office in Tulsa, OK.