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NWAMAKA MERAH MD
NPI 1255065124
Internal Medicine in Saginaw, MI

Active since July 14, 2022PECOS EnrolledAccepts Medicare Assignment
800 S WASHINGTON AVE, SAGINAW, MI 48601(989) 839-1644(989) 839-3029 Get Directions Write a Review

NPPES record last updated: September 19, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 19, 2025, Jul 14, 2022 (2 updates tracked since 2022).

About Nwamaka Merah Md NPPES

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

NWAMAKA MERAH MD (NPI 1255065124) is an individual internal medicine provider in Saginaw, Michigan, licensed in Michigan (4351049988) and active in the NPI registry since July 2022. She is enrolled in Medicare PECOS, is affiliated with Ascension St Mary's Hospital, and maintains a secondary practice location in Saginaw.

NPPES Registry Identity

NPI1255065124
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameNWAMAKA MERAHCredential: MD
Location Address800 S WASHINGTON AVESaginaw, MI 48601-2551
Mailing Address4000 Wellness DrMidland, MI 48670-2000
Phone(989) 839-1644
Fax(989) 839-3029
Sole ProprietorYes
Medical School CMSOtherGraduated 2022
Enumeration DateJuly 14, 2022
Last NPPES UpdateSeptember 19, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 19, 2025
✔ NPI 1255065124 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MI · 4351049988
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
800 S WASHINGTON AVE, Saginaw, MI 48601
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Secondary Practice Location 1

Location 11015 S Washington Ave Fl 3Saginaw, MI 48601-2556 · Phone (989) 746-7681

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Priority Health.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

Nwamaka Merah 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 ID6406381193
PECOS Enrollment IDI20250721002200
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.

Hospital Affiliations CMS Care Compare 3

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

Ascension St Mary's Hospital

Acute Care Hospitals · Saginaw, MI
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number230077
Location800 S Washington AvenueSaginaw, MI 48601 · Saginaw County
Emergency services

Mymichigan Medical Center Midland

Acute Care Hospitals · Midland, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number230222
Location4000 Wellness DriveMidland, MI 48670 · Midland County
Birthing friendly

Saint Mary's Standish Community Hospital

Critical Access Hospitals · Standish, MI
OwnershipVoluntary non-profit - Church
CMS Certification Number231305
Location805 W Cedar StStandish, MI 48658 · Arenac County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48601 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 20

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

MR. JUSTIN JON SCHUMACHER
Radiologic Technologist (Nuclear Medicine Technology)
800 S WASHINGTON AVE
SAGINAW, MI 48601
Saginaw County (989) 907-8027
ANDREW MICHAEL FRANKLIN MD
Emergency Medicine
800 S WASHINGTON AVE
SAGINAW, MI 48601
Saginaw County (989) 793-7220
FELIZA A ORTEGA RDMS
Radiologic Technologist (Sonography)
800 S WASHINGTON AVE
SAGINAW, MI 48601
Saginaw County (989) 907-8019
MR. JACOB ALAN DELOGE
Registered Nurse (General Practice)
800 S WASHINGTON AVE
SAGINAW, MI 48601
Saginaw County (989) 907-8128
CHARLES HOOSHMAND NIGHTINGALE MD
Emergency Medicine
800 S WASHINGTON AVE
SAGINAW, MI 48601
Saginaw County (989) 907-8200
RITA MIHALTAN DO
Emergency Medicine
800 S WASHINGTON AVE
SAGINAW, MI 48601
Saginaw County (989) 907-8000
DR. JENNIFER POLLOCK PHARMD, BCPS
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
800 S WASHINGTON AVE
SAGINAW, MI 48601
Saginaw County (989) 907-8768
TRACEY DEANE HENSON CRNA
Nurse Anesthetist, Certified Registered
800 S WASHINGTON AVE
SAGINAW, MI 48601
Saginaw County (989) 776-8000

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 Nwamaka Merah's NPI number?

The NPI number for Nwamaka Merah is 1255065124. It was assigned to this individual provider in the NPPES registry on July 14, 2022.

Where is Nwamaka Merah located?

Nwamaka Merah practices at 800 S Washington Ave, Saginaw, MI 48601. The listed phone number is (989) 839-1644.

What is Nwamaka Merah's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Nwamaka Merah enrolled in Medicare?

Yes. Nwamaka Merah 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 Nwamaka Merah accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Nwamaka Merah 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 Nwamaka Merah affiliated with any hospitals?

According to CMS data, Nwamaka Merah is affiliated with Ascension St Mary's Hospital, Mymichigan Medical Center Midland and Saint Mary's Standish Community Hospital.

When was this NPI record last updated?

The NPPES record for Nwamaka Merah was last updated on September 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.