DR. DAVID ROBERT WEIDENDORF MD
NPI 1497088876
Internal Medicine in Ann Arbor, MI
About Dr. David Robert Weidendorf Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DAVID ROBERT WEIDENDORF MD (NPI 1497088876) is an individual internal medicine provider in Ann Arbor, Michigan, licensed in Michigan (4301095466) and active in the NPI registry since September 2009. He is enrolled in Medicare PECOS, is affiliated with St Joe Mercy Hospital System Livonia, and maintains a secondary practice location in Canton.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. David Robert Weidendorf Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show David Weidendorf reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Ann Arbor, MI 48105
- Reassigned Medicare billing, Michigan enrollment
- 9 clinicians in this Medicare group
Wayne, MI 48184
- Reassigned Medicare billing, Michigan enrollment
- 32 clinicians in this Medicare group
Detroit, MI 48212
- Reassigned Medicare billing, Michigan enrollment
- 20 clinicians in this Medicare group
Detroit, MI 48234
- Reassigned Medicare billing, Michigan enrollment
- 5 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 7
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Joe Mercy Hospital System Livonia
Acute Care Hospitals · Livonia, MIUniversity Of Michigan Health System
Acute Care Hospitals · Ann Arbor, MISaint Joseph Mercy Livingston Hospital
Acute Care Hospitals · Howell, MITrinity Health Ann Arbor Hospital
Acute Care Hospitals · Ann Arbor, MIChelsea Hospital
Acute Care Hospitals · Chelsea, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48105 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 David Weidendorf's NPI number?
The NPI number for David Weidendorf is 1497088876. It was assigned to this individual provider in the NPPES registry on September 16, 2009.
Where is David Weidendorf located?
David Weidendorf practices at 2200 Green Rd Ste B, Ann Arbor, MI 48105. The listed phone number is (734) 994-7446.
What is David Weidendorf's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is David Weidendorf enrolled in Medicare?
Yes. David Weidendorf is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for David Weidendorf's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Weidendorf reassigns Medicare benefits to 4 organizations: Partners In Internal Medicine PLLC (Ann Arbor, MI), Oakwood Healthcare, Inc. (Wayne, MI), Procare Partners Health PLLC (Detroit, MI) and Ribhi Hazin MD PC (Detroit, MI). Each 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 David Weidendorf's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does David Weidendorf accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Priority Health and UnitedHealthcare list David Weidendorf 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.
Is David Weidendorf affiliated with any hospitals?
According to CMS data, David Weidendorf is affiliated with St Joe Mercy Hospital System Livonia, University Of Michigan Health System, Saint Joseph Mercy Livingston Hospital, Trinity Health Ann Arbor Hospital and Chelsea Hospital.
When was this NPI record last updated?
The NPPES record for David Weidendorf was last updated on August 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Dr. David Robert Weidendorf, MD · NPI 1497088876
Internal Medicine physician in Ann Arbor, Michigan. Individual provider, active in the CMS NPPES registry since September 16, 2009.
## Identity
- **NPI:** 1497088876 (Entity type: Individual)
- **Enumerated:** September 16, 2009
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 4301095466 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 2200 GREEN RD STE B, Ann Arbor, MI 48105-1569
- **Phone:** (734) 994-7446 · **Fax:** (734) 623-8595
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Partners In Internal Medicine PLLC (NPI 1780625145, Ann Arbor, MI); Oakwood Healthcare, Inc. (NPI 1225042963, Wayne, MI); Procare Partners Health PLLC (NPI 1528601952, Detroit, MI); Ribhi Hazin MD PC (NPI 1457727307, Detroit, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2008
## Record status
- **NPPES last updated:** August 11, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1497088876) · Data from the CMS NPPES public registry.