Matthew S. Tan, M.D.
General Practice Physician · Los Angeles, CA
Matthew S. Tan, M.D. is a general practice physician with a practice address in Los Angeles, California, and NPI 1295758126, issued on Jul 25, 2006. Check the license (California G19327, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Matthew S. Tan
- Credential
- M.D.
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- G19327 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1701 E Cesar E Chavez Ave, Los Angeles, CA 90033
- Phone
- (323) 264-2633
- Enumerated
- Jul 25, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (323) 224-2790
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 1,956 in California → Look up another NPI →
Also registered at 1701 E Cesar E Chavez Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Matthew S. Tan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G19327Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 47.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $14.47
1 payment: food and beverage; the largest payer was Teva Pharmaceuticals USA, Inc. The 4,259 providers of this specialty with any payment received $1,273.40 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Matthew S. Tan among 1,956 general practice physician records in California
Matthew S. Tan, M.D. is one of 1,956 general practice physician records with a practice address in California. 48% 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, 66% newer
- In a Medicare fileYes · 48% of these records are
- In the CMS Doctors and Clinicians fileNo · 27% of these records are
- Record last updated2007 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
General Practice Physician providers in California
There are 1,956 general practice physician records in California.
All 1,956 in California → Every provider in Los Angeles → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Godofredo Astudillo, M.D.Los Angeles, CA 900331972695963
- Karel-Bart CelieLos Angeles, CA 900331235698432
- Shervin Etemad, MDLos Angeles, CA 900331972130011
- Sabrina Evanson, PALos Angeles, CA 900331497457238
- Safa Maharsi, MDLos Angeles, CA 900331942761598
- Dieuthu Nguyen, MDLos Angeles, CA 900331427367655
- Angela Zurabyan, D.O.Los Angeles, CA 900331215248406
- Su Chen, M.D., PH.D.Los Angeles, CA 900321720162167
Common questions
What is Matthew S. Tan, M.D.'s NPI number?
Matthew S. Tan, M.D.'s National Provider Identifier (NPI) is 1295758126, issued on Jul 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Matthew S. Tan, M.D. located?
The NPPES record lists a practice address at 1701 E Cesar E Chavez Ave, Los Angeles, CA, 90033. Phone: (323) 264-2633. Providers update this record themselves, so call before visiting.
How can I verify Matthew S. Tan, M.D.'s license?
NPPES lists California license number G19327, 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.
What is Matthew S. Tan, M.D.'s MIPS final score?
The 2023 MIPS final score is 47.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.