MARVIN L WILLIAMS DDS
NPI 1124127287
Dentist - General Practice in Flint, MI
About Marvin L Williams Dds NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARVIN L WILLIAMS DDS (NPI 1124127287) is an individual general practice provider in Flint, Michigan, licensed in Kansas (60309) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Marvin L Williams Dds is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Marvin Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Caro, MI 48723
- Reassigned Medicare billing, Michigan enrollment
- 96 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48504 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 10
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 Marvin Williams's NPI number?
The NPI number for Marvin Williams is 1124127287. It was assigned to this individual provider in the NPPES registry on September 22, 2006.
Where is Marvin Williams located?
Marvin Williams practices at 2501 W Pierson Rd, Flint, MI 48504. The listed phone number is (810) 789-5880.
What is Marvin Williams's specialty?
The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.
Is Marvin Williams enrolled in Medicare?
Yes. Marvin Williams is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Marvin Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marvin Williams reassigns Medicare benefits to State Of Michigan Office Of Financial Management (Caro, MI). The 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 Marvin Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marvin Williams accept?
Health plans from Blue Cross Blue Shield of Michigan Mutual Insurance Company list Marvin Williams 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 Marvin Williams was last updated on January 4, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Marvin L Williams, DDS · NPI 1124127287
General Practice provider in Flint, Michigan. Individual provider, active in the CMS NPPES registry since September 22, 2006.
## Identity
- **NPI:** 1124127287 (Entity type: Individual)
- **Enumerated:** September 22, 2006
- **Primary specialty:** Dentist - General Practice · taxonomy 1223G0001X
- **State license:** 60309 (Kansas)
- **Sole proprietor:** No
## Practice location
- **Address:** 2501 W PIERSON RD, Flint, MI 48504-6802
- **Phone:** (810) 789-5880
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** State Of Michigan Office Of Financial Management (NPI 1194767996, Caro, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 4, 2013
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Source: [NPI Profile](https://npiprofile.com/npi/1124127287) · Data from the CMS NPPES public registry.