JEFFREY R WILLIAMSON DO PC
NPI 1750443750
Family Medicine in Rockford, MI
About Jeffrey R Williamson Do Pc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JEFFREY R WILLIAMSON DO PC (NPI 1750443750) is a healthcare organization registered as a family medicine in Rockford, Michigan and active in the NPI registry since December 2006. The organization holds a CLIA Waiver certificate valid through January 27, 2027 and lists Kathy Jo Uecker, Credentialing Manager, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 1
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)
Jeffrey R Williamson Do Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
3Medicare enrollment records show 3 clinicians reassign Medicare billing to Jeffrey R Williamson Do PC, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.
Clinicians, nearest first (3)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Waiver 23D1046091
Jeffrey R Williamson Do PC · Rockford, MIFrequently 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 Jeffrey R Williamson Do PC's NPI number?
The NPI number for Jeffrey R Williamson Do PC is 1750443750. It was assigned to this organization in the NPPES registry on December 15, 2006.
Where is Jeffrey R Williamson Do PC located?
Jeffrey R Williamson Do PC is located at 6785 Myers Lake Ave NE, Rockford, MI 49341. The listed phone number is (616) 884-5191.
What is Jeffrey R Williamson Do PC's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Jeffrey R Williamson Do PC enrolled in Medicare?
Yes. Jeffrey R Williamson Do PC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Jeffrey R Williamson Do PC?
According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to Jeffrey R Williamson Do PC, in Family Practice and Nurse Practitioner. 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. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Jeffrey R Williamson Do PC hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 23D1046091) is associated with this NPI, valid through January 27, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
What insurance does Jeffrey R Williamson Do PC accept?
Health plans from Blue Cross Blue Shield of Michigan Mutual Insurance Company list Jeffrey R Williamson Do PC 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 Jeffrey R Williamson Do PC was last updated on January 20, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Jeffrey R Williamson Do Pc · NPI 1750443750
Family Medicine organization in Rockford, Michigan. Organization record, active in the CMS NPPES registry since December 15, 2006.
## Identity
- **NPI:** 1750443750 (Entity type: Organization)
- **Enumerated:** December 15, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **Organization subpart:** No
- **Authorized official:** Kathy Jo Uecker, CREDENTIALING MANAGER
## Practice location
- **Address:** 6785 MYERS LAKE AVE NE, Rockford, MI 49341
- **Phone:** (616) 884-5191 · **Fax:** (616) 884-5192
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 3 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Family Practice (2), Nurse Practitioner (1); 2 practice at this address · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 20, 2020
- **Other identifiers:** Medicaid 48109028 (MI)
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1750443750) · Data from the CMS NPPES public registry.