JOHN MAXWELL CARMENT MD
NPI 1013129329
Internal Medicine - Geriatric Medicine in Tulsa, OK

Active since May 07, 2007PECOS EnrolledAccepts Medicare Assignment
17.64/100
CMS Quality Rating
4444 E 41ST ST, TULSA, OK 74135(918) 619-4400(918) 619-4152 Get Directions Write a Review

NPPES record last updated: April 3, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About John Maxwell Carment Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOHN MAXWELL CARMENT MD (NPI 1013129329) is an individual geriatric medicine provider in Tulsa, Oklahoma, licensed in Oklahoma (25518) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with Hillcrest Medical Center, and is a graduate of University Of Oklahoma College Of Medicine (2002).

NPPES Registry Identity

NPI1013129329
Entity TypeIndividualMale
Primary Taxonomy207RG0300X
Provider Legal NameJOHN MAXWELL CARMENTCredential: MD
Location Address4444 E 41ST STTulsa, OK 74135-2527
Mailing AddressPo Box 268838Oklahoma City, OK 73126-8838 · (918) 619-4101 · Fax (918) 619-4110
Fax(918) 619-4152
Sole ProprietorNo
Medical School CMSUniversity Of Oklahoma College Of MedicineGraduated 2002
Enumeration DateMay 7, 2007
Last NPPES UpdateApril 3, 2025
NPPES CertifiedApril 3, 2025
NPI 1013129329 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RG0300X
License Licensed in OK · 25518
Definition
An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.
Also ListedInternal MedicineTaxonomy 207R00000X · License 25518 (OK)
4444 E 41ST ST, Tulsa, OK 74135

Other Identifiers 1

Medicaid200113480AOK

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

John Maxwell Carment Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2365479359
PECOS Enrollment IDI20070825000086
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 15

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
355 services157 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
251 services56 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
152 services47 patients
Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more 99306
An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.
53 services47 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
40 services33 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
35 services31 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Hillcrest Medical Center

Acute Care Hospitals · Tulsa, OK
2/5 CMS rating
OwnershipProprietary
CMS Certification Number370001
Location1120 South Utica AvenueTulsa, OK 74104 · Tulsa County
Emergency services Birthing friendly

Saint Francis Hospital, Inc

Acute Care Hospitals · Tulsa, OK
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number370091
Location6161 South YaleTulsa, OK 74136 · Tulsa County
Emergency services Birthing friendly

Ascension St John Medical Center

Acute Care Hospitals · Tulsa, OK
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number370114
Location1923 South Utica AvenueTulsa, OK 74104 · Tulsa County
Emergency services Birthing friendly

Saint Francis Hospital South, LLC

Acute Care Hospitals · Tulsa, OK
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number370218
Location10501 East 91st Street SouthTulsa, OK 74133 · Tulsa County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 74135 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$162.61 typical visit price
range $53.00 – $162.61
Typical copayment $40.65 (range $13.25 – $40.65)
Most-billed visit code 99205
Established Patient
$94.27 typical visit price
range $16.68 – $132.40
Typical copayment $23.56 (range $4.17 – $33.10)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

17.64/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality0
Promoting Interoperability0
Improvement Activities0
Cost58.82

Referred Medical Equipment & Supplies CMS DME claims 5

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
6 suppliers14 claims35 services$5.85 avg. paid by Medicare
Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260
DME-Hospital Beds · category DB000N
2 suppliers25 claims25 services$39.16 avg. paid by Medicare
Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
2 suppliers16 claims16 services$12.98 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
3 suppliers18 claims18 services$61.74 avg. paid by Medicare
Standard wheelchair K0001
DME-Wheelchairs · category DD000N
1 supplier48 claims48 services$15.24 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Social Worker (Clinical)
4444 E 41ST ST
TULSA, OK 74135
Student in an Organized Health Care Education/Training Program
4444 E 41ST ST
TULSA, OK 74135
Psychiatry & Neurology (Child & Adolescent Psychiatry)
4444 E 41ST ST
TULSA, OK 74135
Pediatrics
4444 E 41ST ST
TULSA, OK 74135
Student in an Organized Health Care Education/Training Program
4444 E 41ST ST
TULSA, OK 74135
Student in an Organized Health Care Education/Training Program
4444 E 41ST ST
TULSA, OK 74135
Surgery (Vascular Surgery)
4444 E 41ST ST
TULSA, OK 74135
Pediatrics
4444 E 41ST ST, 2ND FLOOR STE A
TULSA, OK 74135

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Carment's NPI number?

The NPI number for John Carment is 1013129329. It was assigned to this individual provider in the NPPES registry on May 7, 2007.

Where is John Carment located?

John Carment practices at 4444 E 41st St, Tulsa, OK 74135. The listed phone number is (918) 619-4400.

What is John Carment's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.

Is John Carment enrolled in Medicare?

Yes. John Carment is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does John Carment accept?

Health plans from Blue Cross and Blue Shield of Oklahoma, CommunityCare and Mending Health list John Carment as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is John Carment affiliated with any hospitals?

According to CMS data, John Carment is affiliated with Hillcrest Medical Center, Saint Francis Hospital, Inc, Ascension St John Medical Center and Saint Francis Hospital South, LLC.

When was this NPI record last updated?

The NPPES record for John Carment was last updated on April 3, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.