Avis Chan, MD, MS
NPI 1831727056 · Obstetrics & Gynecology Physician · Santa Clara, CA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Avis Chan, MD, MS is a Obstetrics & Gynecology Physician provider in Santa Clara, CA (NPI 1831727056).
Provider details
- NPI number
- 1831727056
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, MS
- Sex
- Female
- Sole proprietor
- No
- License
- A182108 (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
6 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
- 2020-04-01
- Last updated
- 2024-07-17
- Certified
- 2024-07-17
Frequently asked questions
- What is Avis Chan's NPI number?
- Avis Chan's National Provider Identifier (NPI) is 1831727056, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Avis Chan's specialty?
- Avis Chan is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Avis Chan located?
- Avis Chan's practice location on file with NPPES is 700 Lawrence Expy, Santa Clara, CA 95051-5173.
- What is Avis Chan's phone number?
- The practice phone number listed in the NPPES registry for Avis Chan is (408) 851-1000.
- Does Avis Chan accept Medicare?
- Avis Chan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Avis Chan's NPI active?
- Yes — Avis Chan's NPI (1831727056) is active in the NPPES registry as of the last update on 2024-07-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.