Ananth Natarajan, MD
NPI 1255929048 · Obstetrics & Gynecology Physician · San Marino, CA
Ananth Natarajan, MD is a Obstetrics & Gynecology Physician provider in San Marino, CA (NPI 1255929048).
Provider details
- NPI number
- 1255929048
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A064772 (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
5 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
- 2021-01-06
- Last updated
- 2021-01-06
- Certified
- 2021-01-06
Frequently asked questions
- What is Ananth Natarajan's NPI number?
- Ananth Natarajan's National Provider Identifier (NPI) is 1255929048, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ananth Natarajan's specialty?
- Ananth Natarajan is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Ananth Natarajan located?
- Ananth Natarajan's practice location on file with NPPES is 1212 Roanoke Rd, San Marino, CA 91108-1811.
- What is Ananth Natarajan's phone number?
- The practice phone number listed in the NPPES registry for Ananth Natarajan is (626) 284-0077.
- Is Ananth Natarajan's NPI active?
- Yes — Ananth Natarajan's NPI (1255929048) is active in the NPPES registry as of the last update on 2021-01-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.