Jan Eperjesi, M.D.
NPI 1528389020 · Obstetrics & Gynecology Physician · Oxnard, CA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jan Eperjesi, M.D. is a Obstetrics & Gynecology Physician provider in Oxnard, CA (NPI 1528389020).
Provider details
- NPI number
- 1528389020
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A129250 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
6 documented practice locations
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.
Practice location
Mailing address
Additional practice locations (5)
- 850 Fair Oaks Ave Ste 100Arroyo Grande, CA 93420-3929Phone: (805) 474-5282Fax: (805) 474-5283
- St. John'S Pleasant Valley Hospital - 2309 Antonio AveCamarillo, CA 93010-1414Phone: (000) 000-0000Fax: (805) 256-7840
- 1941 Johnson Ave Ste 301San Luis Obispo, CA 93401-4175Phone: (805) 786-4111Fax: (805) 543-6357
- 220 S Palisade Dr Ste 203Santa Maria, CA 93454-8903Phone: (805) 354-7101Fax: (805) 354-7102
- 350 Posada LnSuite 202Templeton, CA 93465-4059Phone: (805) 434-5497
Registry dates
- Enumerated
- 2010-06-18
- Last updated
- 2023-11-02
- Certified
- 2023-11-02
Frequently asked questions
- What is Jan Eperjesi's NPI number?
- Jan Eperjesi's National Provider Identifier (NPI) is 1528389020, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jan Eperjesi's specialty?
- Jan Eperjesi is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Jan Eperjesi located?
- Jan Eperjesi's practice location on file with NPPES is St. John'S Regional Medical Center - 1600 N Rose Ave, Oxnard, CA 93030-3722.
- What is Jan Eperjesi's phone number?
- The practice phone number listed in the NPPES registry for Jan Eperjesi is (000) 000-0000.
- Does Jan Eperjesi accept Medicare?
- Jan Eperjesi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jan Eperjesi's NPI active?
- Yes — Jan Eperjesi's NPI (1528389020) is active in the NPPES registry as of the last update on 2023-11-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.