David Williams, PA
NPI 1457523011 · Physician Assistant · St Augustine, FL
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Williams, PA is a Physician Assistant provider in St Augustine, FL (NPI 1457523011).
Provider details
- NPI number
- 1457523011
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Male
- Sole proprietor
- No
- License
- PA3576 (FL)
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
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
135 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 | 73 | $106 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 62 | $75 |
Typical Medicare-allowed amounts for these services range $75–$106 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 100 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 621 | 251 |
| Atorvastatin Calcium | 455 | 204 |
| Fenofibrate | 449 | 187 |
| Lisinopril | 389 | 163 |
| Ezetimibe | 360 | 156 |
| Levothyroxine Sodium | 308 | 119 |
| Amlodipine Besylate | 283 | 115 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-03-24
- Last updated
- 2015-12-21
Frequently asked questions
- What is David Williams's NPI number?
- David Williams's National Provider Identifier (NPI) is 1457523011, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Williams's specialty?
- David Williams is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is David Williams located?
- David Williams's practice location on file with NPPES is 400 Health Park Blvd, St Augustine, FL 32086-5784.
- What is David Williams's phone number?
- The practice phone number listed in the NPPES registry for David Williams is (904) 819-4300.
- Does David Williams accept Medicare?
- David Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Williams's NPI active?
- Yes — David Williams's NPI (1457523011) is active in the NPPES registry as of the last update on 2015-12-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.