DR. REHAN MAHMUD MD
NPI 1306826458
Internal Medicine - Clinical Cardiac Electrophysiology in Bay City, MI

Q: What is Rehan Mahmud's NPI number?

The NPI number for Rehan Mahmud is 1306826458. It was assigned to this individual provider in the NPPES registry on January 17, 2006.

Q: What is Rehan Mahmud's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Clinical Cardiac Electrophysiology, with taxonomy code 207RC0001X.

Q: When was this NPI record last updated?

The NPPES record for Rehan Mahmud was last updated on October 5, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years 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 January 17, 2006PECOS Enrolled

3175 W. PROFESSIONAL DRIVE, BAY CITY, MI 48706(989) 894-3278(989) 894-8155 Get Directions Write a Review

NPPES record last updated: October 5, 2011. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Dr. Rehan Mahmud Md NPPES

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

DR. REHAN MAHMUD MD (NPI 1306826458) is an individual clinical cardiac electrophysiology provider in Bay City, Michigan, licensed in Michigan (4301065063) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1306826458

Entity TypeIndividualMale

Primary Taxonomy207RC0001X

Provider Legal NameDR. REHAN MAHMUDCredential: MD

Location Address3175 W. PROFESSIONAL DRIVEBay City, MI 48706-2823

Mailing Address401 S. BallengerFlint, MI 48532-3638 · (810) 342-1000 · Fax (810) 342-1591

Phone(989) 894-3278

Fax(989) 894-8155

Sole ProprietorNo

Enumeration DateJanuary 17, 2006

Last NPPES UpdateOctober 5, 2011

✔ NPI 1306826458 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Clinical Cardiac ElectrophysiologyAllopathic & Osteopathic Physicians

Taxonomy Code207RC0001X

License✔ Licensed in MI · 4301065063

Definition

A field of special interest within the subspecialty of cardiovascular disease, specialty of Internal Medicine, which involves intricate technical procedures to evaluate heart rhythms and determine appropriate treatment for them.

3175 W. PROFESSIONAL DRIVE, Bay City, MI 48706

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Other Identifiers 3

Medicare UPINC85284MI

Medicaid4526610MI

Medicare PING36040017MI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Rehan Mahmud Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Rehan Mahmud reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mclaren Bay Region

2.7 mi

Family Medicine

1900 COLUMBUS AVE
Bay City, MI 48708

Reassigned Medicare billing, Michigan enrollment
250 clinicians in this Medicare group

NPI 1508131087 (989) 894-3000

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.

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.

215 services174 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.

94 services92 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

36 services32 patients

Insertion of pacemaker and upper and lower heart chamber electrode 33208

A pacemaker insertion is a procedure where a small device, called a pacemaker, is implanted under your skin. This device uses electrical pulses to prompt the heart to beat at a normal rate. Electrodes are placed in the upper and lower chambers of your heart to help regulate your heartbeat.

27 services26 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.

24 services24 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.

24 services24 patients

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.

24 services22 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

24 services23 patients

Heart rhythm review and interpretation of continous external ekg over 8-15 days 93248

This service involves wearing a device for 8-15 days that continuously records your heart's electrical activity. It helps in identifying irregular heart rhythms. The recorded data is then reviewed and interpreted by a healthcare professional for any abnormalities.

22 services21 patients

Recording of upper heart rhythm 93600

Recording of upper heart rhythm is a procedure where a device monitors the heart's electrical activity. This test helps identify irregularities in heartbeats and rhythm, providing crucial information about heart health. It's non-invasive and painless.

21 services21 patients

Electrocardiogram (ecg) 2-day continuous with review by health care professional 93227

An Electrocardiogram (ECG) is a test that checks your heart's activity. The 2-day continuous ECG records your heart's rhythm non-stop for 48 hours. It helps to detect irregularities that may not occur during a shorter test. A healthcare professional will review the results to identify any issues.

17 services14 patients

Insertion of catheters for recording and pacing of right heart chambers rhythm and induction of abnormal rhythm 93620

This procedure involves placing thin tubes called catheters into the right side of your heart. These catheters record your heart's rhythm and can also stimulate it to beat at different rates. This helps doctors identify and study any irregular heart rhythms you may have.

17 services16 patients

Comprehensive electrophysiologic evaluation with catheter destruction of abnormality of upper chamber of heart causing supraventricular tachycardia (rapid heart rate) 93653

This procedure is a detailed study of your heart's electrical activity. A thin tube (catheter) is inserted into your heart to identify and eliminate the area causing a fast heart rate. This helps restore normal heart rhythm, specifically targeting the upper chamber of the heart.

15 services15 patients

Insertion of heart rhythm monitor under skin 33285

The insertion of a heart rhythm monitor under the skin is a procedure to track your heart's activity. A small device is placed under your skin, recording your heart's rhythms continuously. This helps identify irregular heartbeats or conditions, aiding in your treatment.

12 services12 patients

Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days 93244

A heart rhythm review involves monitoring your heart's electrical activity for more than 48 hours up to 7 days. Using a device called an external EKG, doctors can track your heartbeats to detect irregularities and help diagnose heart conditions.

12 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48706 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

$126.15 typical visit price

range $54.34 – $166.68

Typical copayment $31.53 (range $13.58 – $41.67)

Most-billed visit code 99204

Established Patient

$96.44 typical visit price

range $17.09 – $135.40

Typical copayment $24.11 (range $4.27 – $33.85)

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.

Other Providers at the Same Location NPPES

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

MARY ANN FLEMING CNM

Advanced Practice Midwife

3175 W. PROFESSIONAL DRIVE
BAY CITY, MI 48706

Bay County (989) 667-3377

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 Rehan Mahmud's NPI number?

The NPI number for Rehan Mahmud is 1306826458. It was assigned to this individual provider in the NPPES registry on January 17, 2006.

Where is Rehan Mahmud located?

Rehan Mahmud practices at 3175 W. Professional Drive, Bay City, MI 48706. The listed phone number is (989) 894-3278.

What is Rehan Mahmud's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Clinical Cardiac Electrophysiology, with taxonomy code 207RC0001X.

Is Rehan Mahmud enrolled in Medicare?

Yes. Rehan Mahmud is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Rehan Mahmud's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Rehan Mahmud reassigns Medicare benefits to Mclaren Bay Region (Bay City, MI). The 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 Rehan Mahmud's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Rehan Mahmud accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan and Ambetter from Meridian list Rehan Mahmud 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.

When was this NPI record last updated?

The NPPES record for Rehan Mahmud was last updated on October 5, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years 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.