Jill Mason, MD
NPI 1033297841 · Obstetrics & Gynecology Physician · Clovis, CA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jill Mason, MD is a Obstetrics & Gynecology Physician provider in Clovis, CA (NPI 1033297841).
Provider details
- NPI number
- 1033297841
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- C51600 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Estradiol | 99 | 46 |
| Estradiolbrand: Yuvafem | 66 | 20 |
| Clobetasol Propionate | 27 | 18 |
| Nystatin/Triamcinolone Acetbrand: Nystatin-Triamcinolone | 23 | 12 |
| Medroxyprogesterone Acetate | 18 | — |
| Oxybutynin Chloridebrand: Oxybutynin Chloride Er | 12 | — |
| Fluconazole | 11 | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-01
- Last updated
- 2021-12-13
Frequently asked questions
- What is Jill Mason's NPI number?
- Jill Mason's National Provider Identifier (NPI) is 1033297841, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jill Mason's specialty?
- Jill Mason is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Jill Mason located?
- Jill Mason's practice location on file with NPPES is 2071 Herndon Ave, Clovis, CA 93611-6101.
- What is Jill Mason's phone number?
- The practice phone number listed in the NPPES registry for Jill Mason is (559) 324-5100.
- Does Jill Mason accept Medicare?
- Jill Mason is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jill Mason's NPI active?
- Yes — Jill Mason's NPI (1033297841) is active in the NPPES registry as of the last update on 2021-12-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.