Udaysankar Chockanathan
NPI 1316798325 · Psychiatry Physician · San Francisco, CA
Enrolled with Medicare as Order and Referring Only - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Udaysankar Chockanathan is a Psychiatry Physician provider in San Francisco, CA (NPI 1316798325).
Provider details
- NPI number
- 1316798325
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 15120 (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
2 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
- 2024-03-28
- Last updated
- 2025-09-12
- Certified
- 2025-09-12
Frequently asked questions
- What is Udaysankar Chockanathan's NPI number?
- Udaysankar Chockanathan's National Provider Identifier (NPI) is 1316798325, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Udaysankar Chockanathan's specialty?
- Udaysankar Chockanathan is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Udaysankar Chockanathan located?
- Udaysankar Chockanathan's practice location on file with NPPES is 675 18th St, San Francisco, CA 94143-4200.
- What is Udaysankar Chockanathan's phone number?
- The practice phone number listed in the NPPES registry for Udaysankar Chockanathan is (415) 476-7000.
- Does Udaysankar Chockanathan accept Medicare?
- Udaysankar Chockanathan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Udaysankar Chockanathan's NPI active?
- Yes — Udaysankar Chockanathan's NPI (1316798325) is active in the NPPES registry as of the last update on 2025-09-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.