DAVID WITTGENS M.D.
NPI 1801025432
Family Medicine in Imlay City, MI
About David Wittgens M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DAVID WITTGENS M.D. (NPI 1801025432) is an individual family medicine provider in Imlay City, Michigan, licensed in Michigan (4301094800) and active in the NPI registry since July 2009. He is enrolled in Medicare PECOS, is affiliated with Mclaren Lapeer Region, and maintains a secondary practice location in Stamford.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 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
David Wittgens M.d. 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
5Medicare enrollment records show David Wittgens reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Farmington Hills, MI 48334
- Reassigned Medicare billing, Michigan enrollment
- 1,480 clinicians in this Medicare group
Saginaw, MI 48607
- Reassigned Medicare billing, Michigan enrollment
- 229 clinicians in this Medicare group
Canton, MI 48188
- Reassigned Medicare billing, Michigan enrollment
- 180 clinicians in this Medicare group
Okemos, MI 48864
- Reassigned Medicare billing, Michigan enrollment
- 916 clinicians in this Medicare group
New Canaan, CT 06840
- Reassigned Medicare billing, Michigan enrollment
- Medicare enrollment name: My Catholic Doctor PLLC
- 4 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 2
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mclaren Lapeer Region
Acute Care Hospitals · Lapeer, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48444 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
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 Wittgens's NPI number?
The NPI number for David Wittgens is 1801025432. It was assigned to this individual provider in the NPPES registry on July 2, 2009.
Where is David Wittgens located?
David Wittgens practices at 6800 Newark Rd Ste 200, Imlay City, MI 48444. The listed phone number is (810) 724-3201.
What is David Wittgens's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is David Wittgens enrolled in Medicare?
Yes. David Wittgens 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 Wittgens's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Wittgens reassigns Medicare benefits to 5 organizations: Iha Health Services Corporation (Farmington Hills, MI), Great Lakes Bay Health Centers (Saginaw, MI), St Joseph Mercy Hospital (Canton, MI), Edward W. Sparrow Hospital Association (Okemos, MI) and My Catholic Doctor, P.L.L.C. (New Canaan, CT). 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 Wittgens's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does David Wittgens accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Priority Health and UnitedHealthcare list David Wittgens 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 Wittgens affiliated with any hospitals?
According to CMS data, David Wittgens is affiliated with Mclaren Lapeer Region.
When was this NPI record last updated?
The NPPES record for David Wittgens was last updated on June 9, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.