NAJAB M. MIRZA D.O.
NPI 1740620160
Internal Medicine in Grand Blanc, MI
About Najab M. Mirza D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NAJAB M. MIRZA D.O. (NPI 1740620160) is an individual internal medicine provider in Grand Blanc, Michigan, licensed in Michigan (5101020636) and active in the NPI registry since June 2013. He is enrolled in Medicare PECOS, is affiliated with Memorial Healthcare, and is a graduate of Michigan State University College Of Osteopathic Medicine (2013).
NPPES Registry Identity
Specialties & Licenses
Accepted 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
Najab M. Mirza D.o. 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.
Medicare Billing Reassignments
8Medicare enrollment records show Najab Mirza reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Flushing, MI 48433
- Reassigned Medicare billing, Michigan enrollment
- 328 clinicians in this Medicare group
Oxford, MI 48371
- Reassigned Medicare billing, Michigan enrollment
- Medicare enrollment name: Oxford Urgent Care Plc
- 81 clinicians in this Medicare group
Brighton, MI 48114
- Reassigned Medicare billing, Michigan enrollment
- 383 clinicians in this Medicare group
Clinton Township, MI 48038
- Reassigned Medicare billing, Michigan enrollment
- Medicare enrollment name: Lakeside Urgent Care PC
- 81 clinicians in this Medicare group
Saginaw, MI 48602
- Reassigned Medicare billing, Michigan enrollment
- 720 clinicians in this Medicare group
Adrian, MI 49221
- Reassigned Medicare billing, Michigan enrollment
- 237 clinicians in this Medicare group
Kalamazoo, MI 49048
- Reassigned Medicare billing, Michigan enrollment
- 596 clinicians in this Medicare group
Kingman, AZ 86409
- Reassigned Medicare billing, Arizona enrollment
- 418 clinicians in this Medicare group
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 4
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Memorial Healthcare
Acute Care Hospitals · Owosso, MIAscension Genesys Hospital
Acute Care Hospitals · Grand Blanc, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48439 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
Referred Medical Equipment & Supplies CMS DME claims 6
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GRAND BLANC, MI 48439
GRAND BLANC, MI 48439
GRAND BLANC, MI 48439
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 Najab Mirza's NPI number?
The NPI number for Najab Mirza is 1740620160. It was assigned to this individual provider in the NPPES registry on June 29, 2013.
Where is Najab Mirza located?
Najab Mirza practices at 1 Genesys Parkway, Grand Blanc, MI 48439. The listed phone number is (810) 606-5000.
What is Najab Mirza's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Najab Mirza enrolled in Medicare?
Yes. Najab Mirza 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 Najab Mirza's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Najab Mirza reassigns Medicare benefits to 8 organizations: Memorial Hospital (Flushing, MI), Oxford Urgent Care P L C (Oxford, MI), Theoria Medical (Brighton, MI), Lakeside Urgent Care, P.C. (Clinton Township, MI), Covenant Medical Center, Inc (Saginaw, MI) and 3 more organizations, listed in the Medicare section above. 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 Najab Mirza's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Najab Mirza accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Najab Mirza 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 Najab Mirza affiliated with any hospitals?
According to CMS data, Najab Mirza is affiliated with Memorial Healthcare and Ascension Genesys Hospital.
When was this NPI record last updated?
The NPPES record for Najab Mirza was last updated on August 11, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Najab M. Mirza, D.O. · NPI 1740620160
Internal Medicine physician in Grand Blanc, Michigan. Individual provider, active in the CMS NPPES registry since June 29, 2013.
## Identity
- **NPI:** 1740620160 (Entity type: Individual)
- **Enumerated:** June 29, 2013
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 5101020636 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 GENESYS PARKWAY, Grand Blanc, MI 48439
- **Phone:** (810) 606-5000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 8 organizations under Medicare reassignment (form CMS-855R): Memorial Hospital (NPI 1144428202, Flushing, MI); Oxford Urgent Care P L C (NPI 1700036936, Oxford, MI); Theoria Medical (NPI 1164186946, Brighton, MI); Lakeside Urgent Care, P.C. (NPI 1811226442, Clinton Township, MI); Covenant Medical Center, Inc (NPI 1063955136, Saginaw, MI); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Michigan State University College Of Osteopathic Medicine, class of 2013
## Record status
- **NPPES last updated:** August 11, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1740620160) · Data from the CMS NPPES public registry.