IHA WESTARBOR INTERNAL MEDICINE
NPI 1477600088
Internal Medicine in Ann Arbor, MI
About Iha Westarbor Internal Medicine NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
IHA WESTARBOR INTERNAL MEDICINE (NPI 1477600088) is a healthcare organization registered as an internal medicine in Ann Arbor, Michigan and active in the NPI registry since January 2007. The organization lists Cynthia A Elliott, Vp/chief Operating Officer, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Group Practice 1
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 Westarbor Internal Medicine is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
1,476Medicare enrollment records show 1,476 clinicians reassign Medicare billing to Iha Westarbor Internal Medicine, which bills Medicare for the services they deliver. Of these, 784 practice within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 52
Nearest to this location (20)
See all 1,476Ann Arbor, MI 48103
Ann Arbor, MI 48109
Ann Arbor, MI 48109
Ann Arbor, MI 48109
Ann Arbor, MI 48109
Ann Arbor, MI 48109
Ann Arbor, MI 48109
Ann Arbor, MI 48109
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 1477600088. It was assigned to this organization in the NPPES registry on January 4, 2007. The provider is doing business as Iha Westarbor Internal Medicine.
Where is Iha Health Services Corporation located?
Iha Health Services Corporation is located at 1915 Pauline Blvd, Ann Arbor, MI 48103. The listed phone number is (734) 995-2259.
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, 784 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Iha Health Services Corporation was last updated on February 13, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Iha Westarbor Internal Medicine · NPI 1477600088
Internal Medicine organization in Ann Arbor, Michigan. Organization record, active in the CMS NPPES registry since January 4, 2007.
## Identity
- **NPI:** 1477600088 (Entity type: Organization)
- **Enumerated:** January 4, 2007
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **Legal business name:** Iha Health Services Corporation
- **Organization subpart:** No
- **Authorized official:** Cynthia Elliott, VP/CHIEF OPERATING OFFICER
## Practice location
- **Address:** 1915 PAULINE BLVD, Ann Arbor, MI 48103-5001
- **Phone:** (734) 995-2259
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1,476 clinicians in 52 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Internal Medicine (332), Nurse Practitioner (250), Family Practice (229); 784 practice within 10 miles; [full list](https://npiprofile.com/npi/1477600088/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 13, 2014
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Source: [NPI Profile](https://npiprofile.com/npi/1477600088) · Data from the CMS NPPES public registry.