DR. MATTHEW WILLIAMS DO
NPI 1245817329
Internal Medicine in St Petersburg, FL
About Dr. Matthew Williams Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MATTHEW WILLIAMS DO (NPI 1245817329) is an individual internal medicine provider in St Petersburg, Florida, licensed in Florida (OS20617) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS, is affiliated with Hca Florida Putnam Hospital, and is a graduate of Lake Erie College Of Osteopathic Medicine, Bradenton (2021).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
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. Matthew 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 Reassignments
5Medicare enrollment records show Matthew Williams reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boca Raton, FL 33428
- Reassigned Medicare billing, Florida enrollment
- 516 clinicians in this Medicare group
Pensacola, FL 32514
- Reassigned Medicare billing, Florida enrollment
- 601 clinicians in this Medicare group
Monroe, GA 30655
- Reassigned Medicare billing, Florida, Georgia, North Carolina and South Carolina enrollments
- 118 clinicians in this Medicare group
Myrtle Beach, SC 29572
- Reassigned Medicare billing, South Carolina enrollment
- 529 clinicians in this Medicare group
Brevard, NC 28712
- Reassigned Medicare billing, North Carolina enrollment
- 234 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 4
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Hca Florida Putnam Hospital
Acute Care Hospitals · Palatka, FLPiedmont Eastside Medical Center
Acute Care Hospitals · Snellville, GAPiedmont Medical Center
Acute Care Hospitals · Rock Hill, SCGrand Strand Regional Medical Center
Acute Care Hospitals · Myrtle Beach, SCPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 33709 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.
ST PETERSBURG, FL 33709
ST PETERSBURG, FL 33709
ST PETERSBURG, FL 33709
ST PETERSBURG, FL 33709
ST PETERSBURG, FL 33709
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 Matthew Williams's NPI number?
The NPI number for Matthew Williams is 1245817329. It was assigned to this individual provider in the NPPES registry on March 25, 2021. The provider is also known as Matthew Robert Williams.
Where is Matthew Williams located?
Matthew Williams practices at 6000 49th St N, St Petersburg, FL 33709. The listed phone number is (727) 521-5057.
What is Matthew Williams's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Matthew Williams enrolled in Medicare?
Yes. Matthew 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 Matthew Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Williams reassigns Medicare benefits to 5 organizations: Florida Hospital Medicine Services, LLC. (Boca Raton, FL), Hospital Physician Services Of Florida PA (Pensacola, FL), Hospital Physician Services - Southeast Professional Corporation (Monroe, GA), Southeastern Hospitalist Services PC (Myrtle Beach, SC) and Southeastern Medical Group, PC (Brevard, NC). 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 Matthew Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Matthew Williams affiliated with any hospitals?
According to CMS data, Matthew Williams is affiliated with Hca Florida Putnam Hospital, Piedmont Eastside Medical Center, Piedmont Medical Center and Grand Strand Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Matthew Williams was last updated on July 19, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Dr. Matthew Williams, DO · NPI 1245817329
Internal Medicine physician in St Petersburg, Florida. Individual provider, active in the CMS NPPES registry since March 25, 2021.
## Identity
- **NPI:** 1245817329 (Entity type: Individual)
- **Enumerated:** March 25, 2021
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** OS20617 (Florida)
- **Sole proprietor:** No
## Practice location
- **Address:** 6000 49TH ST N, St Petersburg, FL 33709-2114
- **Phone:** (727) 521-5057
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Florida Hospital Medicine Services, LLC. (NPI 1508873183, Boca Raton, FL); Hospital Physician Services Of Florida PA (NPI 1558718635, Pensacola, FL); Hospital Physician Services - Southeast Professional Corporation (NPI 1760410385, Monroe, GA); Southeastern Hospitalist Services PC (NPI 1003280108, Myrtle Beach, SC); Southeastern Medical Group, PC (NPI 1184669053, Brevard, NC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Lake Erie College Of Osteopathic Medicine, Bradenton, class of 2021
## Record status
- **NPPES last updated:** July 19, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1245817329) · Data from the CMS NPPES public registry.