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IHA HEALTH SERVICE CORPORATION
NPI 1831053701
Obstetrics & Gynecology in Ypsilanti, MI

Active since December 15, 2025
4936 W CLARK RD STE 100, YPSILANTI, MI 48197(734) 434-6200 Get Directions Write a Review

NPPES record last updated: March 10, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Mar 10, 2026, Dec 15, 2025 (2 updates tracked since 2025).

About Iha Health Service Corporation NPPES

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

IHA HEALTH SERVICE CORPORATION (NPI 1831053701), doing business as Trinity Health Iha Medical Group Ob/gyn Float, is a healthcare organization registered as an obstetrics & gynecology in Ypsilanti, Michigan and active in the NPI registry since December 2025. The organization maintains 14 additional practice locations and lists Cynthia A Elliott, President, as its authorized official.

NPPES Registry Identity

NPI1831053701
Entity TypeOrganization
Primary Taxonomy207V00000X
Legal Business NameIHA HEALTH SERVICE CORPORATION
Location Address4936 W CLARK RD STE 100Ypsilanti, MI 48197-0861
Mailing Address24 Frank Lloyd Wright Dr Ste J2000Ann Arbor, MI 48105-9484 · (734) 747-6766 · Fax (734) 222-3100
Phone(734) 434-6200
Organization SubpartNo
Authorized OfficialCynthia A ElliottPresident · (734) 327-0872
Enumeration DateDecember 15, 2025
Last NPPES UpdateMarch 10, 20262 updates tracked since enumeration
NPPES CertifiedMarch 10, 2026
✔ NPI 1831053701 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
4936 W CLARK RD STE 100, Ypsilanti, MI 48197
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Other Names 1

Doing Business AsTrinity Health Iha Medical Group Ob/gyn Float

Secondary Practice Locations 14

Location 14350 Jackson Rd Ste 300Ann Arbor, MI 48103-1889 · Phone (734) 995-2259
Location 24200 Whitehall Dr Ste 330Ann Arbor, MI 48105-9694 · Phone (734) 434-0477
Location 36770 Dixie Hwy Ste 202Clarkston, MI 48346-2098 · Phone (248) 625-8555
Location 444428 Woodward Ave Ste 104Pontiac, MI 48341-5009 · Phone (248) 858-6272
Location 51854 W Auburn Rd Ste 100BRochester Hills, MI 48309-3868 · Phone (248) 696-3176
Location 649650 Cherry Hill Rd Ste 220Canton, MI 48187-4860 · Phone (734) 398-7888
Location 75333 McAuley DrYpsilanti, MI 48197-1014 · Phone (734) 802-5030
Location 82305 Genoa Business Park Dr Ste 220Brighton, MI 48114-7005 · Phone (810) 494-6860
Location 914288 E Old US Highway 12 Ste 300Chelsea, MI 48118-2700 · Phone (734) 426-1925
Location 1032932 Warren Rd Ste 100Westland, MI 48185-3095 · Phone (734) 743-4500
Location 1119000 St Joes Pkwy Ste 210Livonia, MI 48152-1477 · Phone (734) 655-8250
Location 1243097 Woodward Ave Ste 202Bloomfield Township, MI 48302-5043 · Phone (248) 334-4505
Location 1328300 Orchard Lake Rd Ste 100BFarmington Hills, MI 48334-3704 · Phone (734) 655-8250
Location 14990 W Ann Arbor Trl Ste 302Plymouth, MI 48170-6202 · Phone (734) 434-0477

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Care Network of Michigan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Iha Health Service Corporation is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

1,476

Medicare enrollment records show 1,476 clinicians reassign Medicare billing to Iha Health Service Corporation, which bills Medicare for the services they deliver. Of these, 5 practice at this address and 831 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 52

Internal Medicine332
Nurse Practitioner250
Family Practice229
Obstetrics/Gynecology76
Hospitalist54
Clinical Social Worker50
Psychiatry47
Neurology36
44 other specialties402

Nearest to this location (20)

See all 1,476
Susanne Archer, M.D.
Obstetrics/Gynecology
NPI 1851360945
4940 W CLARK RD SUITE 100
Ypsilanti, MI 48197
(734) 434-0477
✔ PECOS✔ Accepts MedicareSame address
Allison Kreske, M.D.
Obstetrics/Gynecology
NPI 1194793968
4940 W CLARK RD SUITE 100
Ypsilanti, MI 48197
(734) 434-0477
✔ PECOS✔ Accepts MedicareSame address
Gina Long, M.D.
Obstetrics/Gynecology
NPI 1235107798
4940 W CLARK RD SUITE 100
Ypsilanti, MI 48197
(734) 434-0477
✔ PECOS✔ Accepts MedicareSame address
Radhwan Al Rubaye
Internal Medicine
NPI 1598149833
4990 W CLARK RD
Ypsilanti, MI 48197
(734) 884-5196
✔ PECOS✔ Accepts MedicareSame address
Robert Breakey, M.D.
Family Practice
NPI 1063481281
4940 W CLARK RD STE 100
Ypsilanti, MI 48197
(734) 971-1188
✔ PECOS✔ Accepts MedicareSame address
Sharon O'leary, M.D.
Obstetrics/Gynecology
NPI 1073526976
4936 W CLARK RD BUILDING D, SUITE 100
Ypsilanti, MI 48197
(734) 434-6200
✔ PECOS✔ Accepts MedicareSame address
Carl Christensen, MD
Obstetrics/Gynecology
NPI 1598703621
4870 W CLARK RD STE 201
Ypsilanti, MI 48197
(734) 434-6600
✔ PECOS✔ Accepts Medicare0.4 mi
Kashif Siddiqi, M.D.
Urology
NPI 1972725158
4870 CLARK RD SUITE 102
Ypsilanti, MI 48197
(734) 595-1166
✔ PECOS✔ Accepts Medicare0.4 mi
Constance Schuby
Clinical Social Worker
NPI 1427279231
2008 HOGBACK RD. SUITE 8
Ann Arbor, MI 48103
(734) 786-4900
✔ PECOS✔ Accepts Medicare0.4 mi
Deborah Squire, NP
Nurse Practitioner
NPI 1023356748
4918 W CLARK RD STE 104
Ypsilanti, MI 48197
(734) 528-9125
✔ PECOS✔ Accepts Medicare0.5 mi
Therese Benevich, MD
Family Practice
NPI 1285651240
4940 W CLARK RD STE 100
Ypsilanti, MI 48197
(734) 971-1188
✔ PECOS✔ Accepts Medicare0.5 mi
Robert Dyksterhouse, M.D.
Internal Medicine
NPI 1780810697
4940 W CLARK RD STE 100
Ypsilanti, MI 48197
(734) 971-1188
✔ PECOS✔ Accepts Medicare0.5 mi
Montgomery Gillard, MD
Dermatology
NPI 1134124217
4990 W CLARK RD BUILDING A, SUITE 200
Ypsilanti, MI 48197
(734) 572-7500
✔ PECOS✔ Accepts Medicare0.5 mi
April Marquardt, MD
Rheumatology
NPI 1235352311
4990 W CLARK RD SUITE 300
Ypsilanti, MI 48197
(734) 593-5990
✔ PECOS✔ Accepts Medicare0.5 mi
Thomas Olinger, MD
General Surgery
NPI 1124407556
4990 W CLARK RD STE 100
Ypsilanti, MI 48197
(810) 494-6830
✔ PECOS✔ Accepts Medicare0.5 mi
Pamela Sohoni, M.D.
Psychiatry
NPI 1043370364
2006 HOGBACK RD SUITE 1
Ann Arbor, MI 48105
(734) 786-2315
✔ PECOS0.6 mi
Eugene Liu, M.D.
Hospitalist
NPI 1770584930
3145 W CLARK RD SUITE 401
Ypsilanti, MI 48197
(734) 528-5700
✔ PECOS✔ Accepts Medicare0.6 mi
Tareq Al Baghdadi, MD
Medical Oncology
NPI 1861515546
5303 ELLIOTT DR. SUITE 210
Ypsilanti, MI 48197
(734) 712-1000
✔ PECOS✔ Accepts Medicare0.9 mi
Elie Dib, MD
Hematology/Oncology
NPI 1174576219
5303 ELLIOTT DR.
Ypsilanti, MI 48197
(734) 712-1000
✔ PECOS✔ Accepts Medicare0.9 mi
Dexter Powell, MD
Orthopedic Surgery
NPI 1497319511
5315 ELLIOTT DR STE 304
Ypsilanti, MI 48197
(866) 678-4644
✔ PECOS✔ Accepts Medicare0.9 mi
See all 1,476 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Iha Health Service Corporation's NPI number?

The NPI number for Iha Health Service Corporation is 1831053701. It was assigned to this organization in the NPPES registry on December 15, 2025. The provider is doing business as Trinity Health IHA Medical Group OB/GYN Float.

Where is Iha Health Service Corporation located?

Iha Health Service Corporation is located at 4936 W Clark Rd Ste 100, Ypsilanti, MI 48197. The listed phone number is (734) 434-6200.

What is Iha Health Service Corporation's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Iha Health Service Corporation enrolled in Medicare?

Yes. Iha Health Service Corporation is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Iha Health Service Corporation?

According to the CMS Revalidation Reassignment List (October 2026 release), 1,476 clinicians in 52 Medicare specialties reassign their Medicare billing to Iha Health Service Corporation. A 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 the clinician's services. The largest specialties are Internal Medicine (332), Nurse Practitioner (250) and Family Practice (229). Of these, 5 practice at this address and 831 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Iha Health Service Corporation accept?

Health plans from Blue Care Network of Michigan list Iha Health Service Corporation 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 Iha Health Service Corporation was last updated on March 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.