DR. ERIC MICHAEL WILLIAMS DO
NPI 1396830535
Family Medicine in Brandon, FL
About Dr. Eric Michael Williams Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ERIC MICHAEL WILLIAMS DO (NPI 1396830535) is an individual family medicine provider in Brandon, Florida, licensed in Florida (OS8231) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Adventhealth Tampa, and is a graduate of Midwestern University, Chicago College Of Osteopathic Med (1999).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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. Eric Michael Williams Do 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 Reassignment
Medicare enrollment records show Eric Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Riverview, FL 33578
- Reassigned Medicare billing, Florida enrollment
- 284 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 8
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.
Adventhealth Tampa
Acute Care Hospitals · Tampa, FLPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 33511 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 8
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 Eric Williams's NPI number?
The NPI number for Eric Williams is 1396830535. It was assigned to this individual provider in the NPPES registry on October 4, 2006.
Where is Eric Williams located?
Eric Williams practices at 687 W Lumsden Rd, Brandon, FL 33511. The listed phone number is (866) 383-3764.
What is Eric Williams's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Eric Williams enrolled in Medicare?
Yes. Eric Williams 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 organization bills Medicare for Eric Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Eric Williams reassigns Medicare benefits to Adventist Health System/Sunbelt, Inc. (Riverview, FL). 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 Eric Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Eric Williams affiliated with any hospitals?
According to CMS data, Eric Williams is affiliated with Adventhealth Tampa.
When was this NPI record last updated?
The NPPES record for Eric Williams was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.