AHSEN TATAR MD
NPI 1699940122
Obstetrics & Gynecology in Alma, MI
About Ahsen Tatar Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AHSEN TATAR MD (NPI 1699940122) is an individual obstetrics & gynecology provider in Alma, Michigan, licensed in Michigan (4301095343) and active in the NPI registry since April 2008. She is enrolled in Medicare PECOS, is affiliated with Mymichigan Medical Center Alma, and is a graduate of Other (1999).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 6
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
Ahsen Tatar 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.
Medicare Billing Reassignments
2Medicare enrollment records show Ahsen Tatar reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Alma, MI 48801
- Reassigned Medicare billing, Michigan enrollment
- 258 clinicians in this Medicare group
Clare, MI 48617
- Reassigned Medicare billing, Michigan enrollment
- 159 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mymichigan Medical Center Alma
Acute Care Hospitals · Alma, MIMymichigan Medical Center Clare
Acute Care Hospitals · Clare, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48801 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
ALMA, MI 48801
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 Ahsen Tatar's NPI number?
The NPI number for Ahsen Tatar is 1699940122. It was assigned to this individual provider in the NPPES registry on April 25, 2008.
Where is Ahsen Tatar located?
Ahsen Tatar practices at 315 E Warwick Dr Suite D, Alma, MI 48801. The listed phone number is (989) 466-5486.
What is Ahsen Tatar's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Ahsen Tatar enrolled in Medicare?
Yes. Ahsen Tatar 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 Ahsen Tatar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ahsen Tatar reassigns Medicare benefits to 2 organizations: Mymichigan Medical Center Alma (Alma, MI) and Mymichigan Medical Center Clare (Clare, MI). 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 Ahsen Tatar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ahsen Tatar accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Ahsen Tatar 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 Ahsen Tatar affiliated with any hospitals?
According to CMS data, Ahsen Tatar is affiliated with Mymichigan Medical Center Alma and Mymichigan Medical Center Clare.
When was this NPI record last updated?
The NPPES record for Ahsen Tatar was last updated on February 7, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Ahsen Tatar, MD · NPI 1699940122
Obstetrics & Gynecology physician in Alma, Michigan. Individual provider, active in the CMS NPPES registry since April 25, 2008.
## Identity
- **NPI:** 1699940122 (Entity type: Individual)
- **Enumerated:** April 25, 2008
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 4301095343 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 315 E WARWICK DR, SUITE D, Alma, MI 48801-1083
- **Phone:** (989) 466-5486 · **Fax:** (989) 466-5023
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Mymichigan Medical Center Alma (NPI 1265596126, Alma, MI); Mymichigan Medical Center Clare (NPI 1134394026, Clare, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1999
## Record status
- **NPPES last updated:** February 7, 2013
- **Other identifiers:** Other 1602900752 (MI); Other 200000023314 (MI); Other 7000697591 (MI); and 3 more
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Source: [NPI Profile](https://npiprofile.com/npi/1699940122) · Data from the CMS NPPES public registry.