IHA HEALTH SERVICES CORPORATION
NPI 1730236340
Internal Medicine in Chelsea, MI

Active since January 04, 2007
14288 E OLD US HIGHWAY 12 STE 200, CHELSEA, MI 48118(734) 475-8677(734) 327-0826 Get Directions Write a Review

NPPES record last updated: March 10, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 10, 2026, Mar 25, 2025, Dec 27, 2019 (3 updates tracked since 2019).

About Iha Health Services Corporation NPPES

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

IHA HEALTH SERVICES CORPORATION (NPI 1730236340), doing business as Iha Chelsea Primary Care, is a healthcare organization registered as an internal medicine in Chelsea, Michigan and active in the NPI registry since January 2007. The organization maintains a secondary practice location in Chelsea and lists Cynthia A Elliott, Vp/chief Operating Officer, as its authorized official.

NPPES Registry Identity

NPI1730236340
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameIHA HEALTH SERVICES CORPORATION
Location Address14288 E OLD US HIGHWAY 12 STE 200Chelsea, MI 48118-2700
Mailing Address24 Frank Lloyd Wright Dr, Po Box 0446 Lobby JAnn Arbor, MI 48105-9484
Fax(734) 327-0826
Organization SubpartNo
Authorized OfficialCynthia A ElliottVp/chief Operating Officer · (734) 747-6766
Enumeration DateJanuary 4, 2007
Last NPPES UpdateMarch 10, 20263 updates tracked since enumeration
NPPES CertifiedMarch 10, 2026
✔ NPI 1730236340 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
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.
14288 E OLD US HIGHWAY 12 STE 200, Chelsea, MI 48118

Other Names 2

Doing Business AsIha Chelsea Primary Care
Doing Business AsThimg Primary Care - Chelsea

Secondary Practice Location 1

Location 1128 Van Buren StChelsea, MI 48118-1623 · Phone (734) 475-8677

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

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 Services 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 Services Corporation, which bills Medicare for the services they deliver. Of these, 4 practice at this address and 53 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
Family Practice
NPI 1245972900
14288 E OLD US HIGHWAY 12 STE 200
Chelsea, MI 48118
(734) 475-8677
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1720108152
14288 E OLD US HIGHWAY 12 STE 200
Chelsea, MI 48118
(734) 475-8677
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1538116561
14288 E OLD US HIGHWAY 12
Chelsea, MI 48118
(734) 327-6115
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1447149794
14288 W OLD US HWY 12 SUITE 300
Chelsea, MI 48118
(734) 426-1925
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1932693231
14650 E OLD US HWY 12 SUITE 303
Chelsea, MI 48118
(734) 475-4177
✔ PECOS0.1 mi
Medical Oncology
NPI 1376629337
775 S MAIN ST.
Chelsea, MI 48118
(734) 712-1000
✔ PECOS✔ Accepts Medicare2.7 mi
Hematology/Oncology
NPI 1235134339
775 S MAIN ST
Chelsea, MI 48118
(734) 712-1000
✔ PECOS✔ Accepts Medicare2.7 mi
Hospitalist
NPI 1396935367
775 S MAIN ST
Chelsea, MI 48118
(734) 593-6000
✔ PECOS✔ Accepts Medicare2.7 mi
Nurse Practitioner
NPI 1376653303
14700 E OLD US HIGHWAY 12
Chelsea, MI 48118
(734) 763-6295
✔ PECOS✔ Accepts Medicare2.8 mi
Family Practice
NPI 1619945151
14700 E OLD US HIGHWAY 12
Chelsea, MI 48118
(734) 647-5299
✔ PECOS✔ Accepts Medicare2.8 mi
Internal Medicine
NPI 1275532087
128 VAN BUREN ST
Chelsea, MI 48118
(734) 475-8677
✔ PECOS✔ Accepts Medicare2.8 mi
Orthopedic Surgery
NPI 1861501744
14650 E. OLD US HWY 12 SUITE 105
Chelsea, MI 48118
(734) 593-5700
✔ PECOS✔ Accepts Medicare2.9 mi
General Surgery
NPI 1992746507
14650 E OLD US HIGHWAY 12
Chelsea, MI 48118
(734) 936-5738
✔ PECOS✔ Accepts Medicare2.9 mi
Obstetrics/Gynecology
NPI 1184070690
14650 E OLD US HIGHWAY 12 STE 301
Chelsea, MI 48118
(734) 426-1925
✔ PECOS✔ Accepts Medicare2.9 mi
Urology
NPI 1730534074
14650 E OLD US HIGHWAY 12 STE 303
Chelsea, MI 48118
(734) 712-8100
✔ PECOS✔ Accepts Medicare2.9 mi
Physical Medicine and Rehabilitation
NPI 1790912681
14650 E OLD US HIGHWAY 12 SUITE 306
Chelsea, MI 48118
(734) 412-4500
✔ PECOS✔ Accepts Medicare2.9 mi
Hand Surgery
NPI 1972864403
14650 E OLD US HIGHWAY 12 STE 302
Chelsea, MI 48118
(855) 450-2020
✔ PECOS✔ Accepts Medicare2.9 mi
Rheumatology
NPI 1275585200
14650 E OLD US HIGHWAY 12 SUITE 301
Chelsea, MI 48118
(734) 593-5990
✔ PECOS✔ Accepts Medicare2.9 mi
Clinical Social Worker
NPI 1588119960
350 NORTH MAIN STREET STE 150
Chelsea, MI 48118
(734) 593-5251
✔ PECOS✔ Accepts Medicare3.0 mi
Psychiatry
NPI 1457693855
350 NORTH MAIN STREET SUITE 150
Chelsea, MI 48118
(734) 593-5251
✔ PECOS3.0 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 Services Corporation's NPI number?

The NPI number for Iha Health Services Corporation is 1730236340. It was assigned to this organization in the NPPES registry on January 4, 2007. The provider is doing business as IHA Chelsea Primary Care and THIMG Primary Care - Chelsea.

Where is Iha Health Services Corporation located?

Iha Health Services Corporation is located at 14288 E Old Us Highway 12 Ste 200, Chelsea, MI 48118. The listed phone number is (734) 475-8677.

What is Iha Health Services Corporation's specialty?

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

Is Iha Health Services Corporation enrolled in Medicare?

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

How many clinicians bill Medicare through Iha Health Services 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 Services 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, 4 practice at this address and 53 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Iha Health Services Corporation accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company list Iha Health Services 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 Services 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.