OAKWOOD AMBULATORY LLC
NPI 1003829441
Internal Medicine in Dearborn, MI
About Oakwood Ambulatory Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
OAKWOOD AMBULATORY LLC (NPI 1003829441) is a healthcare organization registered as an internal medicine in Dearborn, Michigan and active in the NPI registry since August 2006. The organization lists Lesley Willbrandt, Sr. Director Beaumont Shared Svcs, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 15
Group Practice 1
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)
Oakwood Ambulatory Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
452Medicare enrollment records show 452 clinicians reassign Medicare billing to Oakwood Ambulatory LLC, which bills Medicare for the services they deliver. Of these, 23 practice at this address and 184 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 29
Nearest to this location (20)
See all 452Dearborn, MI 48124
Dearborn, MI 48124
Dearborn, MI 48123
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 Oakwood Ambulatory LLC's NPI number?
The NPI number for Oakwood Ambulatory LLC is 1003829441. It was assigned to this organization in the NPPES registry on August 15, 2006.
Where is Oakwood Ambulatory LLC located?
Oakwood Ambulatory LLC is located at 18101 Oakwood Blvd, Dearborn, MI 48124. The listed phone number is (313) 593-7000.
What is Oakwood Ambulatory LLC's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Oakwood Ambulatory LLC enrolled in Medicare?
Yes. Oakwood Ambulatory LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Oakwood Ambulatory LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 452 clinicians in 29 Medicare specialties reassign their Medicare billing to Oakwood Ambulatory LLC. 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 (206), Internal Medicine (85) and Obstetrics/Gynecology (43). Of these, 23 practice at this address and 184 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Oakwood Ambulatory LLC 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 and 1 other insurer list Oakwood Ambulatory LLC 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 Oakwood Ambulatory LLC was last updated on January 18, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Oakwood Ambulatory Llc · NPI 1003829441
Internal Medicine organization in Dearborn, Michigan. Organization record, active in the CMS NPPES registry since August 15, 2006.
## Identity
- **NPI:** 1003829441 (Entity type: Organization)
- **Enumerated:** August 15, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **Organization subpart:** No
- **Authorized official:** Lesley Willbrandt, SR. DIRECTOR BEAUMONT SHARED SVCS
## Practice location
- **Address:** 18101 OAKWOOD BLVD, Dearborn, MI 48124-4089
- **Phone:** (313) 593-7000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 452 clinicians in 29 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Family Practice (206), Internal Medicine (85), Obstetrics/Gynecology (43); 23 practice at this address and 184 within 10 miles; [full list](https://npiprofile.com/npi/1003829441/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 18, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1003829441) · Data from the CMS NPPES public registry.