DR. WILLIAM TRUMAN WILLIAMS III DO
NPI 1386107399
Internal Medicine - Cardiovascular Disease in Eglin Afb, FL
About Dr. William Truman Williams Iii Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILLIAM TRUMAN WILLIAMS III DO (NPI 1386107399) is an individual cardiovascular disease provider in Eglin Afb, Florida, licensed in Florida (OS17420) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS, is affiliated with Geisinger Medical Center, and maintains a secondary practice location in Lewisburg.
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. William Truman Williams Iii 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 Reassignments
2Medicare enrollment records show William Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Pensacola, FL 32503
- Reassigned Medicare billing, Florida enrollment
- 241 clinicians in this Medicare group
Hagerstown, MD 21740
- Reassigned Medicare billing, Pennsylvania enrollment
- 3,080 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Geisinger Medical Center
Acute Care Hospitals · Danville, PAEvangelical Community Hospital
Acute Care Hospitals · Lewisburg, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 32542 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 20
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 William Williams's NPI number?
The NPI number for William Williams is 1386107399. It was assigned to this individual provider in the NPPES registry on April 8, 2019.
Where is William Williams located?
William Williams practices at 307 Boatner Rd Ste 114, Eglin Afb, FL 32542. The listed phone number is (850) 883-8358.
What is William Williams's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is William Williams enrolled in Medicare?
Yes. William 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 organizations bill Medicare for William Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Williams reassigns Medicare benefits to 2 organizations: Baptist Medical Group LLC (Pensacola, FL) and Wellspan Medical Group (Hagerstown, MD). 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 William Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Williams accept?
Health plans from Blue Cross and Blue Shield of Alabama, Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company) and UnitedHealthcare list William 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.
Is William Williams affiliated with any hospitals?
According to CMS data, William Williams is affiliated with Geisinger Medical Center and Evangelical Community Hospital.
When was this NPI record last updated?
The NPPES record for William Williams was last updated on January 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.