Alfred Tay, M.D.
NPI 1629202189 · Obstetrics & Gynecology Physician · Orange, CA
Alfred Tay, M.D. is a Obstetrics & Gynecology Physician provider in Orange, CA (NPI 1629202189).
Provider details
- NPI number
- 1629202189
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A25394 (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
17 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
- 2009-05-12
- Last updated
- 2009-05-12
Frequently asked questions
- What is Alfred Tay's NPI number?
- Alfred Tay's National Provider Identifier (NPI) is 1629202189, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alfred Tay's specialty?
- Alfred Tay is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Alfred Tay located?
- Alfred Tay's practice location on file with NPPES is 370 N Chandler Ranch Rd, Orange, CA 92869-4502.
- What is Alfred Tay's phone number?
- The practice phone number listed in the NPPES registry for Alfred Tay is (714) 928-6796.
- Is Alfred Tay's NPI active?
- Yes — Alfred Tay's NPI (1629202189) is active in the NPPES registry as of the last update on 2009-05-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.