Steven Tan, MD
Internal Medicine Physician · Los Angeles, CA
Steven Tan, MD is an internal medicine physician with a practice address in Los Angeles, California, and NPI 1891715033, issued on Jul 20, 2006. Check the license (California A67912, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Steven Tan
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A67912 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1000 Veteran Ave A641, Los Angeles, CA 90095
- Phone
- (310) 825-8173
- Enumerated
- Jul 20, 2006
- Record last updated
- Jan 6, 2025
- Fax
- (310) 794-8837
- Medicare enrollment
- Enrolled (PECOS I20120319000578); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Steven Tan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A67912Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
75 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- The Regents OF The University OF CaliforniaLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Steven Tan among 17,696 internal medicine physician records in California
Steven Tan, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1997 · median 2004 among the 11,065 with a school on file
- Record last updated2025 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,423 internal medicine physician records list a practice address in Los Angeles
They are 1,423 of the 69,537 NPPES records with a practice address in Los Angeles, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Los Angeles → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mark Ackerman, MDLos Angeles, CA 900951144225046
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- Anita Agzarian, MDLos Angeles, CA 900951144254590
- Benjamin Ansell, MDLos Angeles, CA 900951770516882
- Arnold Brickman, MDLos Angeles, CA 900951447284906
- Arleen Brown, MDLos Angeles, CA 900951720013618
- Richard Buyalos, MDLos Angeles, CA 900951720012123
- Basit Chaudhry, MDLos Angeles, CA 900951992739460
Common questions
What is Steven Tan, MD's NPI number?
Steven Tan, MD's National Provider Identifier (NPI) is 1891715033, issued on Jul 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Steven Tan, MD located?
The NPPES record lists a practice address at 1000 Veteran Ave A641, Los Angeles, CA, 90095. Phone: (310) 825-8173. Providers update this record themselves, so call before visiting.
How can I verify Steven Tan, MD's license?
NPPES lists California license number A67912, 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.
How much does Steven Tan, MD prescribe under Medicare Part D?
In 2024, Steven Tan, MD had 75 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.