Andrew Tan, MD
Anesthesiology Physician · Orange, CA
Andrew Tan, MD is an anesthesiology physician with a practice address in Orange, California, and NPI 1184119505, issued on Jun 27, 2018. Check the license (California A166162, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Andrew Tan
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- A166162 CA
Self-reported in NPPES; status is on the state search - Practice location
- 333 City Blvd W Ste 2150, Orange, CA 92868
- Phone
- (714) 456-6661
- Enumerated
- Jun 27, 2018
- Record last updated
- Jul 14, 2022
- Fax
- (714) 456-7702
- Medicare enrollment
- Enrolled (PECOS I20220727002665); accepts Medicare assignment
- Medical or professional school
- University Of Cincinnati College Of Medicine, 2018
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 7,571 in California → Look up another NPI →
Also registered at 333 City Blvd W Ste 2150
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Andrew Tan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A166162Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- California Anesthesia Associates Medical Group IncLong Beach, CA
- Western Anesthesia Medical Associates IncMission Viejo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Andrew Tan among 7,571 anesthesiology physician records in California
Andrew Tan, MD is one of 7,571 anesthesiology physician records with a practice address in California. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 86% of them.
- NPI issued2018 · 86% of these records are older, 11% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2018 · median 2006 among the 4,868 with a school on file
- Record last updated2022 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
267 anesthesiology physician records list a practice address in Orange
They are 267 of the 13,245 NPPES records with a practice address in Orange, and 7,571 anesthesiology physician records in California.
All 7,571 in California → Every provider in Orange → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Brandon Abeyta, MDOrange, CA 928681841291804
- Angela Azar, MDOrange, CA 928681164494274
- Jonathan Cohen, M.D.Orange, CA 928681184691867
- Ralph Da Graca, MDOrange, CA 928681861430456
- Scott Engwall, MDOrange, CA 928681851378392
- Sheree Hsu, M.D.Orange, CA 928681265499032
- Brian Levine, MDOrange, CA 928681629032891
- Ingrid Manz, CRNAOrange, CA 928681578501417
Common questions
What is Andrew Tan, MD's NPI number?
Andrew Tan, MD's National Provider Identifier (NPI) is 1184119505, issued on Jun 27, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Andrew Tan, MD located?
The NPPES record lists a practice address at 333 City Blvd W Ste 2150, Orange, CA, 92868. Phone: (714) 456-6661. Providers update this record themselves, so call before visiting.
How can I verify Andrew Tan, MD's license?
NPPES lists California license number A166162, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.