Jonathan Mayer, MD
NPI 1043389513 · Obstetrics & Gynecology Physician · Reedley, CA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonathan Mayer, MD is a Obstetrics & Gynecology Physician provider in Reedley, CA (NPI 1043389513).
Provider details
- NPI number
- 1043389513
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 41480 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-07
- Last updated
- 2023-02-08
- Certified
- 2023-01-31
Frequently asked questions
- What is Jonathan Mayer's NPI number?
- Jonathan Mayer's National Provider Identifier (NPI) is 1043389513, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Mayer's specialty?
- Jonathan Mayer is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathan Mayer located?
- Jonathan Mayer's practice location on file with NPPES is 925 G St, Reedley, CA 93654-2626.
- What is Jonathan Mayer's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Mayer is (559) 558-9712.
- Does Jonathan Mayer accept Medicare?
- Jonathan Mayer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jonathan Mayer's NPI active?
- Yes — Jonathan Mayer's NPI (1043389513) is active in the NPPES registry as of the last update on 2023-02-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.