Thomas Williams, P.A.
NPI 1225016439 · Physician Assistant · Mayport, FL
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Williams, P.A. is a Physician Assistant provider in Mayport, FL (NPI 1225016439).
Provider details
- NPI number
- 1225016439
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- P.A.
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
372 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 178 | $99 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 127 | $71 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus and Influenza87428 | 21 | $69 |
| Automated Urinalysis Test81003 | 19 | $2 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 15 | $83 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Doxycycline Hyclate | 60 | 57 |
| Prednisone | 51 | 47 |
| Fluticasone Propionate | 47 | 29 |
| Atorvastatin Calcium | 27 | 17 |
| Levothyroxine Sodium | 25 | 14 |
| Amlodipine Besylate | 21 | 11 |
| Methocarbamol | 20 | 18 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-06
- Last updated
- 2016-11-17
Frequently asked questions
- What is Thomas Williams's NPI number?
- Thomas Williams's National Provider Identifier (NPI) is 1225016439, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Williams's specialty?
- Thomas Williams is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Thomas Williams located?
- Thomas Williams's practice location on file with NPPES is 1204 Massey Ave., Mayport, FL 32228-0000.
- What is Thomas Williams's phone number?
- The practice phone number listed in the NPPES registry for Thomas Williams is (904) 270-4220.
- Does Thomas Williams accept Medicare?
- Thomas Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Williams's NPI active?
- Yes — Thomas Williams's NPI (1225016439) is active in the NPPES registry as of the last update on 2016-11-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.