Tarquin Williams, PA-C
NPI 1750539391 · Physician Assistant · Cathedral City, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tarquin Williams, PA-C is a Physician Assistant provider in Cathedral City, CA (NPI 1750539391).
Provider details
- NPI number
- 1750539391
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- Yes
- License
- PA19872 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 118 | 117 |
| Cefadroxil | 45 | 45 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 41 | 41 |
| Doxycycline Monohydrate | 40 | 40 |
| Azithromycin | 33 | 33 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 24 | 24 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-09-08
- Last updated
- 2023-09-26
- Certified
- 2021-04-26
Frequently asked questions
- What is Tarquin Williams's NPI number?
- Tarquin Williams's National Provider Identifier (NPI) is 1750539391, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tarquin Williams's specialty?
- Tarquin Williams is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Tarquin Williams located?
- Tarquin Williams's practice location on file with NPPES is 69175 Ramon Rd Bldg a, Cathedral City, CA 92234-3344.
- What is Tarquin Williams's phone number?
- The practice phone number listed in the NPPES registry for Tarquin Williams is (760) 321-6776.
- Does Tarquin Williams accept Medicare?
- Tarquin Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tarquin Williams's NPI active?
- Yes — Tarquin Williams's NPI (1750539391) is active in the NPPES registry as of the last update on 2023-09-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.