Katayoon Shayan, M.D.
NPI 1336210194 · Anatomic Pathology & Clinical Pathology Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katayoon Shayan, M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in San Diego, CA (NPI 1336210194).
Provider details
- NPI number
- 1336210194
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A83333 (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
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
- 2006-11-13
- Last updated
- 2011-10-11
Frequently asked questions
- What is Katayoon Shayan's NPI number?
- Katayoon Shayan's National Provider Identifier (NPI) is 1336210194, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katayoon Shayan's specialty?
- Katayoon Shayan is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Katayoon Shayan located?
- Katayoon Shayan's practice location on file with NPPES is 3020 Childrens Way, San Diego, CA 92123-4223.
- What is Katayoon Shayan's phone number?
- The practice phone number listed in the NPPES registry for Katayoon Shayan is (858) 966-5944.
- Does Katayoon Shayan accept Medicare?
- Katayoon Shayan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katayoon Shayan's NPI active?
- Yes — Katayoon Shayan's NPI (1336210194) is active in the NPPES registry as of the last update on 2011-10-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.