WILLIAM BEAUMONT HOSPITAL
NPI 1679522973
Internal Medicine - Rheumatology in Royal Oak, MI
About William Beaumont Hospital NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM BEAUMONT HOSPITAL (NPI 1679522973) is a healthcare organization registered as a rheumatology in Royal Oak, Michigan and active in the NPI registry since May 2006. The organization lists Lesley Willbrandt, Director Shared Services, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 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)
William Beaumont Hospital is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
154Medicare enrollment records show 154 clinicians reassign Medicare billing to William Beaumont Hospital, which bills Medicare for the services they deliver. Of these, 12 practice at this address and 104 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 30
Nearest to this location (20)
See all 154Royal Oak, MI 48073
Royal Oak, MI 48073
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 William Beaumont Hospital's NPI number?
The NPI number for William Beaumont Hospital is 1679522973. It was assigned to this organization in the NPPES registry on May 6, 2006.
Where is William Beaumont Hospital located?
William Beaumont Hospital is located at 3601 W 13 Mile Rd, Royal Oak, MI 48073. The listed phone number is (248) 898-5000.
What is William Beaumont Hospital's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is William Beaumont Hospital enrolled in Medicare?
Yes. William Beaumont Hospital is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through William Beaumont Hospital?
According to the CMS Revalidation Reassignment List (October 2026 release), 154 clinicians in 30 Medicare specialties reassign their Medicare billing to William Beaumont Hospital. 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 Family Practice (38), Pediatric Medicine (26) and Obstetrics/Gynecology (21). Of these, 12 practice at this address and 104 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 William Beaumont Hospital was last updated on May 12, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# William Beaumont Hospital · NPI 1679522973
Rheumatology organization in Royal Oak, Michigan. Organization record, active in the CMS NPPES registry since May 6, 2006.
## Identity
- **NPI:** 1679522973 (Entity type: Organization)
- **Enumerated:** May 6, 2006
- **Primary specialty:** Internal Medicine - Rheumatology · taxonomy 207RR0500X
- **Organization subpart:** Yes (part of William Beaumont Hospital)
- **Authorized official:** Lesley Willbrandt, DIRECTOR SHARED SERVICES
## Practice location
- **Address:** 3601 W 13 MILE RD, Royal Oak, MI 48073-6712
- **Phone:** (248) 898-5000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 154 clinicians in 30 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Family Practice (38), Pediatric Medicine (26), Obstetrics/Gynecology (21); 12 practice at this address and 104 within 10 miles; [full list](https://npiprofile.com/npi/1679522973/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 12, 2021
- **Other identifiers:** Other 0F36136 (MI)
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Source: [NPI Profile](https://npiprofile.com/npi/1679522973) · Data from the CMS NPPES public registry.