Siva Natarajan, M.D.
NPI 1003127234 · Anesthesiology Physician · Visalia, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Siva Natarajan, M.D. is a Anesthesiology Physician provider in Visalia, CA (NPI 1003127234).
Provider details
- NPI number
- 1003127234
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A107471 (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
16 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
- 2010-06-22
- Last updated
- 2013-04-03
Frequently asked questions
- What is Siva Natarajan's NPI number?
- Siva Natarajan's National Provider Identifier (NPI) is 1003127234, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Siva Natarajan's specialty?
- Siva Natarajan is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Siva Natarajan located?
- Siva Natarajan's practice location on file with NPPES is 3105 W Perez Ave, Visalia, CA 93291-8543.
- What is Siva Natarajan's phone number?
- The practice phone number listed in the NPPES registry for Siva Natarajan is (310) 422-6851.
- Does Siva Natarajan accept Medicare?
- Siva Natarajan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Siva Natarajan's NPI active?
- Yes — Siva Natarajan's NPI (1003127234) is active in the NPPES registry as of the last update on 2013-04-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.