Andrew Tan, MD
NPI 1184119505 · Anesthesiology Physician · Orange, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrew Tan, MD is a Anesthesiology Physician provider in Orange, CA (NPI 1184119505).
Provider details
- NPI number
- 1184119505
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A166162 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 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
- 2018-06-27
- Last updated
- 2022-07-14
- Certified
- 2022-07-14
Frequently asked questions
- What is Andrew Tan's NPI number?
- Andrew Tan's National Provider Identifier (NPI) is 1184119505, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Tan's specialty?
- Andrew Tan is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Andrew Tan located?
- Andrew Tan's practice location on file with NPPES is 333 City Blvd W Ste 2150, Orange, CA 92868-5920.
- What is Andrew Tan's phone number?
- The practice phone number listed in the NPPES registry for Andrew Tan is (714) 456-6661.
- Does Andrew Tan accept Medicare?
- Andrew Tan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrew Tan's NPI active?
- Yes — Andrew Tan's NPI (1184119505) is active in the NPPES registry as of the last update on 2022-07-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.