Vivien Tin, MD
NPI 1619041225 · Obstetrics & Gynecology Physician · Antioch, CA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Vivien Tin, MD is a Obstetrics & Gynecology Physician provider in Antioch, CA (NPI 1619041225).
Provider details
- NPI number
- 1619041225
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A95296 (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
- 2006-11-17
- Last updated
- 2022-01-10
Frequently asked questions
- What is Vivien Tin's NPI number?
- Vivien Tin's National Provider Identifier (NPI) is 1619041225, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Vivien Tin's specialty?
- Vivien Tin is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Vivien Tin located?
- Vivien Tin's practice location on file with NPPES is 3400 Delta Fair Blvd, Antioch, CA 94509-4004.
- What is Vivien Tin's phone number?
- The practice phone number listed in the NPPES registry for Vivien Tin is (925) 779-5000.
- Does Vivien Tin accept Medicare?
- Vivien Tin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Vivien Tin's NPI active?
- Yes — Vivien Tin's NPI (1619041225) is active in the NPPES registry as of the last update on 2022-01-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.