Mark Tan, M.D.
Ophthalmic Plastic and Reconstructive Surgery Physician · South Pasadena, CA
Mark Tan, M.D. is an ophthalmic plastic and reconstructive surgery physician with a practice address in South Pasadena, California, and NPI 1578658266, issued on Oct 4, 2006. Check the license (California A94624, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mark Tan
- Credential
- M.D.
- Primary taxonomy
- Ophthalmic Plastic and Reconstructive Surgery Physician 207WX0200X
- License number
- A94624 CA
Self-reported in NPPES; status is on the state search - Practice location
- 209 Fair Oaks Ave, South Pasadena, CA 91030
- Phone
- (626) 396-2900
- Enumerated
- Oct 4, 2006
- Record last updated
- Nov 13, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicaid ID
- 00A946240 CA
- Medicare enrollment
- Enrolled (PECOS I20040324000090); accepts Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 1994
- Entity
- Type 1 · individual
8 nearest ophthalmic plastic and reconstructive surgery physician records → All 54 in California → Look up another NPI →
Also registered at 209 Fair Oaks Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mark Tan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A94624Check 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 MIPS final score for 2023 (Medicare payment program): 97.7 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $61.86
2 payments; by number, the most common kind was food and beverage; the largest payer was Mallinckrodt Hospital Products Inc. The 332 providers of this specialty with any payment received $6,302.89 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.
2 hospitals and group practices
- The University OF Chicago Medical CenterChicago, IL · Acute Care Hospitals4 of 5 stars
- University OF ChicagoHarvey, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Mark Tan among 54 ophthalmic plastic and reconstructive surgery physician records in California
Mark Tan, M.D. is one of 54 ophthalmic plastic and reconstructive surgery physician records with a practice address in California. 93% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 70% newer
- In a Medicare fileYes · 93% of these records are
- In the CMS Doctors and Clinicians fileYes · 83% of these records are
- Graduated1994 · median 2007 among the 45 with a school on file
- Record last updated2020 · 33% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207WX0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmic Plastic and Reconstructive Surgery Physician providers in California
There are 54 ophthalmic plastic and reconstructive surgery physician records in California.
All 54 in California → Every provider in South Pasadena → Ophthalmic Plastic and Reconstructive Surgery Physician nationwide →
The 8 ophthalmic plastic and reconstructive surgery physician records with the nearest ZIP codes
- Ronald Mancini, MDCalabasas, CA 913021457307639
- Soheab Ugradar, MDWest Hills, CA 913071891259420
- Sangeeta Logani, M.D.Encino, CA 914361578676300
- Nicolas Biro, MDWest Covina, CA 917901497959332
- Roya Ghafouri, MDBeverly Hills, CA 902121790943355
- David Isaacs, M.D., F.A.C.S.Beverly Hills, CA 902121679886576
- Anthony Wong, MDBeverly Hills, CA 902101669036257
- Lina Amini, M.D.Chula Vista, CA 919131063625374
Common questions
What is Mark Tan, M.D.'s NPI number?
Mark Tan, M.D.'s National Provider Identifier (NPI) is 1578658266, issued on Oct 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Tan, M.D. located?
The NPPES record lists a practice address at 209 Fair Oaks Ave, South Pasadena, CA, 91030. Phone: (626) 396-2900. Providers update this record themselves, so call before visiting.
How can I verify Mark Tan, M.D.'s license?
NPPES lists California license number A94624, 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 Mark Tan, M.D.'s MIPS final score?
The 2023 MIPS final score is 97.7 of 100. 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.