MOHAMAD AMER MAHAYNI M.D.
NPI 1750465506
Internal Medicine - Cardiovascular Disease in Muskogee, OK

Q: What is Mohamad Mahayni's NPI number?

The NPI number for Mohamad Mahayni is 1750465506. It was assigned to this individual provider in the NPPES registry on October 25, 2006.

Q: What is Mohamad Mahayni's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Q: When was this NPI record last updated?

The NPPES record for Mohamad Mahayni was last updated on July 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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 October 25, 2006PECOS EnrolledAccepts Medicare Assignment

91.18/100

CMS Quality Rating

3701 W BROADWAY ST, MUSKOGEE, OK 74401(918) 682-2700(918) 682-2733 Get Directions Write a Review

NPPES record last updated: July 22, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 11, 2024, Nov 28, 2018 (2 updates tracked since 2018).

On this page

About Mohamad Amer Mahayni M.d. NPPES

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

MOHAMAD AMER MAHAYNI M.D. (NPI 1750465506) is an individual cardiovascular disease provider in Muskogee, Oklahoma, licensed in Oklahoma (19349) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Saint Francis Hospital Muskogee, and is a graduate of Other (1987).

NPPES Registry Identity

NPI1750465506

Entity TypeIndividualMale

Primary Taxonomy207RC0000X

Provider Legal NameMOHAMAD AMER MAHAYNICredential: M.D.

Location Address3701 W BROADWAY STMuskogee, OK 74401-2142

Mailing Address3701 W Broadway StMuskogee, OK 74401-2142 · (918) 682-2700 · Fax (918) 682-2733

Phone(918) 682-2700

Fax(918) 682-2733

Sole ProprietorNo

Medical School CMSOtherGraduated 1987

Enumeration DateOctober 25, 2006

Last NPPES UpdateJuly 22, 20252 updates tracked since enumeration

NPPES CertifiedJuly 22, 2025

✔ NPI 1750465506 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

License✔ Licensed in OK · 19349

Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

3701 W BROADWAY ST, Muskogee, OK 74401

Open in Google Maps ↗

Other Identifiers 2

Other060032399Railroad Medicare

Medicaid100032970AOK

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 and more.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

Mohamad Amer Mahayni M.d. 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 ID2961566963

PECOS Enrollment IDI20090205000102, I20200929000450

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 Reassignments

Medicare enrollment records show Mohamad Mahayni reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mohamad A. Mahayni, M.D., Inc.

0.2 mi

Cardiovascular Disease

3502 W OKMULGEE ST
Muskogee, OK 74401

Reassigned Medicare billing, Oklahoma enrollment

NPI 1841441151 (918) 682-2700

Cherokee Nation

5.5 mi

Multi-Specialty

1001 S 41ST ST E
Muskogee, OK 74403

Reassigned Medicare billing, Texas enrollment
1,047 clinicians in this Medicare group

NPI 1841207156 (918) 781-6500

Northeastern Health System

28 mi

General Acute Care Hospital

1400 E DOWNING ST
Tahlequah, OK 74464

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

NPI 1003865999 (918) 456-0641

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 28

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.

2,118 services601 patients

Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes 99458

This service involves analyzing your vital signs, like heart rate and blood pressure, remotely collected over a month. Each additional 20 minutes spent on management refers to extra time spent reviewing, interpreting your data, and planning your care. It's a critical part of ensuring your wellbeing.

748 services75 patients

Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 99457

This service involves reviewing and managing your health data, which is remotely monitored and collected. Your vital signs like heart rate and blood pressure are tracked regularly throughout the month. The first 20 minutes of this data analysis per month is included in this service.

718 services86 patients

Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days 99454

This service involves using devices to remotely track body functions like heart rate or blood pressure. These devices, provided initially, record data daily or send alerts if readings are abnormal. The service is renewed every 30 days.

449 services68 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

395 services343 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

365 services356 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

304 services117 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.

102 services85 patients

Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days 93297

This service involves remotely monitoring your heart and blood vessel implant system for up to 30 days. Using advanced technology, healthcare professionals can track the device's performance and your health status, ensuring the system is working optimally for your needs.

100 services16 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 93018

An exercise or drug-induced heart stress test with ECG is a procedure to assess how your heart functions under stress. It can involve exercising or medication to make your heart work harder while an ECG records its activity. A physician reviews the results.

94 services94 patients

Nuclear medicine studies of blood flow in heart muscle at rest and with stress with concurrent ct scan 78431

This is a diagnostic test where a tiny amount of radioactive material is used to examine your heart's blood flow at rest & during stress, alongside a CT scan for detailed images. It helps identify any heart-related issues like blockages or damage.

93 services93 patients

Nuclear medicine study of heart muscle blood flow by pet 78434

A nuclear medicine study of heart muscle blood flow by PET is a non-invasive test that uses a small amount of radioactive substance to create detailed images of your heart's blood flow and function. It helps assess heart health and diagnose heart conditions.

93 services93 patients

Ultrasound of both sides of head and neck blood flow 93880

An ultrasound of the head and neck blood flow is a safe, non-invasive procedure that uses sound waves to create images of blood vessels. It helps detect abnormalities like blockages or clots, ensuring optimal blood flow.

72 services72 patients

Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days 93294

This procedure evaluates your pacemaker system remotely for up to 90 days. It checks whether single, dual, multiple lead, or leadless pacemakers are working properly. It's a safe, convenient way to ensure your heart device is functioning optimally.

66 services27 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.

57 services57 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

45 services42 patients

Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days 93295

This procedure involves remotely monitoring your implantable defibrillator system, which can have single, dual, or multiple leads. Over a period of up to 90 days, the system's performance is evaluated to ensure it's working properly and providing the necessary heart rhythm support.

41 services14 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

34 services34 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

30 services27 patients

Programming of dual lead pacemaker system 93280

Programming of a dual lead pacemaker system is a procedure to adjust your heart's pacemaker settings. This process involves a small device, called a programmer, that communicates with your pacemaker to ensure it's working optimally for your heart's needs.

29 services22 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.

27 services24 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

22 services22 patients

Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts 93978

This procedure involves using sound waves to create images of your aorta, vena cava, groin vessels, or bypass grafts. It helps to detect abnormalities or blockages, ensuring your blood flows smoothly. It's painless and non-invasive.

20 services19 patients

Transitional care management services for problem of high complexity 99496

Transitional care management services are designed to ensure a smooth transition from a hospital to home or another care setting for patients with complex health issues. These services include medication management, patient education, and coordination with healthcare providers.

17 services16 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 93018

15 services15 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

15 services14 patients

Ultrasound study of arm or leg veins with compression and maneuvers 93970

An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.

14 services13 patients

Nuclear medicine studies of heart muscle at rest and with stress and spect 78452

Nuclear medicine studies of the heart involve two parts: rest and stress. During rest, images are taken of your heart at ease. During stress, images are taken after exercise or medication-induced stress. SPECT is a special imaging technique providing 3D pictures of your heart, helping identify any issues.

13 services13 patients

Hospital Affiliations CMS Care Compare 5

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

Saint Francis Hospital Muskogee

Acute Care Hospitals · Muskogee, OK

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number370025

Location300 Rockefeller DriveMuskogee, OK 74401 · Muskogee County

Emergency services Birthing friendly

Northeastern Health System

Acute Care Hospitals · Tahlequah, OK

2/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number370089

Location1400 East Downing StreetTahlequah, OK 74465 · Cherokee County

Emergency services Birthing friendly

Wagoner Community Hospital

Acute Care Hospitals · Wagoner, OK

OwnershipGovernment - Hospital District or Authority

CMS Certification Number370166

Location1200 West Cherokee StreetWagoner, OK 74467 · Wagoner County

Emergency services

Cherokee Nation W W Hastings Indian Hospital

Acute Care Hospitals · Tahlequah, OK

3/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number370171

Location100 S Bliss AvenueTahlequah, OK 74464 · Cherokee County

Emergency services Birthing friendly

Haskell Regional Hospital, Inc

Critical Access Hospitals · Stigler, OK

OwnershipVoluntary non-profit - Private

CMS Certification Number371335

Location401 Northwest H StreetStigler, OK 74462 · Haskell County

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 74401 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

$123.06 typical visit price

range $53.00 – $162.61

Typical copayment $30.76 (range $13.25 – $40.65)

Most-billed visit code 99204

Established Patient

$66.48 typical visit price

range $16.68 – $132.40

Typical copayment $16.62 (range $4.17 – $33.10)

Most-billed visit code 99213

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.

91.18/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

79.27

Promoting Interoperability

100

Improvement Activities

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 Mohamad Mahayni's NPI number?

The NPI number for Mohamad Mahayni is 1750465506. It was assigned to this individual provider in the NPPES registry on October 25, 2006.

Where is Mohamad Mahayni located?

Mohamad Mahayni practices at 3701 W Broadway St, Muskogee, OK 74401. The listed phone number is (918) 682-2700.

What is Mohamad Mahayni's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Mohamad Mahayni enrolled in Medicare?

Yes. Mohamad Mahayni 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.

Which organizations bill Medicare for Mohamad Mahayni's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mohamad Mahayni reassigns Medicare benefits to 3 organizations: Mohamad A. Mahayni, M.D., Inc. (Muskogee, OK), Cherokee Nation (Muskogee, OK) and Northeastern Health System (Tahlequah, OK). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mohamad Mahayni's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mohamad Mahayni accept?

Health plans from Blue Cross and Blue Shield of Oklahoma, CommunityCare, Mending Health and UnitedHealthcare list Mohamad Mahayni 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 Mohamad Mahayni affiliated with any hospitals?

According to CMS data, Mohamad Mahayni is affiliated with Saint Francis Hospital Muskogee, Northeastern Health System, Wagoner Community Hospital, Cherokee Nation W W Hastings Indian Hospital and Haskell Regional Hospital, Inc.

When was this NPI record last updated?

The NPPES record for Mohamad Mahayni was last updated on July 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.