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

Q: 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.

Q: What is John Carment's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for John Carment was last updated on April 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

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: October 18, 2026.

On this page

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

Phone(918) 619-4400

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

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Other Identifiers 1

Medicaid200113480AOK

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Oklahoma, CommunityCare, Mending Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

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.

Medicare Billing Reassignment

Medicare enrollment records show John Carment reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Board Of Regents Of The University Of Oklahoma Ou Physicians Tulsa

0.2 mi

Multi-Specialty

4502 E 41ST ST
Tulsa, OK 74135

Reassigned Medicare billing, Oklahoma enrollment
124 clinicians in this Medicare group

NPI 1154385730 (918) 660-3632

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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

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

Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308

A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.

29 services20 patients

Influenza vaccine split virus, preservative free 90662

The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.

25 services25 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

25 services25 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

19 services13 patients

Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and G0180

This is a service where a doctor or authorized practitioner certifies that you require Medicare-covered home health services. They will communicate with the home health agency and review reports on your health status to ensure you receive appropriate care. This does not involve an in-person visit.

19 services17 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

19 services19 patients

Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more 99306

15 services14 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

13 services13 patients

Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 99310

A follow-up nursing facility visit is a routine check-up that typically lasts about 35 minutes. During this visit, your health status is evaluated, any changes in your condition are noted, and necessary adjustments to your care plan are made. It's an essential part of maintaining your health.

13 services11 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

Quality

Promoting Interoperability

Improvement Activities

Cost

58.82

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.

SUNIYE GHARAJEH MD

Student in an Organized Health Care Education/Training Program