Paul C. Tsai M.D. & Dolores O. Tan Inc.
NPI 1992897946 · Obstetrics & Gynecology Physician · Merced, CA
Paul C. Tsai M.D. & Dolores O. Tan Inc. is a Obstetrics & Gynecology Physician organization in Merced, CA (NPI 1992897946).
Provider details
- NPI number
- 1992897946
- Entity type
- Organization
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Paul Tsai, Doctor(209) 383-1343
- License
- A34561 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2006-09-28
- Last updated
- 2015-07-08
Frequently asked questions
- What is Paul C. Tsai M.D. & Dolores O. Tan Inc.'s NPI number?
- Paul C. Tsai M.D. & Dolores O. Tan Inc.'s National Provider Identifier (NPI) is 1992897946, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Paul C. Tsai M.D. & Dolores O. Tan Inc.?
- Paul C. Tsai M.D. & Dolores O. Tan Inc. is classified in the NPPES registry as Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Paul C. Tsai M.D. & Dolores O. Tan Inc. located?
- Paul C. Tsai M.D. & Dolores O. Tan Inc.'s practice location on file with NPPES is 700 W Olive Ave Ste D, Merced, CA 95348-2435.
- What is Paul C. Tsai M.D. & Dolores O. Tan Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Paul C. Tsai M.D. & Dolores O. Tan Inc. is (209) 383-5291.
- Who is the authorized official for Paul C. Tsai M.D. & Dolores O. Tan Inc.?
- The authorized official listed on Paul C. Tsai M.D. & Dolores O. Tan Inc.'s NPPES record is Paul Tsai, Doctor. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Paul C. Tsai M.D. & Dolores O. Tan Inc.'s NPI active?
- Yes — Paul C. Tsai M.D. & Dolores O. Tan Inc.'s NPI (1992897946) is active in the NPPES registry as of the last update on 2015-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.