NPPES file of Aug 9, 2026

Ai-Yui M. Tan, M.D.

Pulmonary Disease Physician · Marina Del Rey, CA

Ai-Yui M. Tan, M.D. is a pulmonary disease physician with a practice address in Marina Del Rey, California, and NPI 1538503339, issued on Apr 23, 2013. Check the license (California A182797, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1538503339
Name
Ai-Yui M. Tan
Credential
M.D.
Primary taxonomy
Pulmonary Disease Physician 207RP1001X
License numbers
A182797 CA
036140463 IL
Self-reported in NPPES; status is on the state search
Practice location
4650 Lincoln Blvd, Marina Del Rey, CA 90292
Phone
(310) 823-8911
Enumerated
Apr 23, 2013
Record last updated
Nov 18, 2022
Medicare enrollment
Enrolled (PECOS I20221202002861); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 4650 Lincoln Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Bobak Akhavan, M.D.Pulmonary Disease Physician1982099024
  2. Barry Borm, MDEmergency Medicine Physician1285736843
  3. Allan CalpoRegistered Respiratory Therapist1821560301
  4. Manvir Dhillon, MDInternal Medicine Physician1083293252
  5. Roger Donenfeld, M.D.Anesthesiology Physician1538182878
  6. Kambiz Farbakhsh, MDInternal Medicine Physician1861446015

Verify Ai-Yui M. Tan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A182797
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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99% fewer Medicare Part D claims than the average pulmonary disease physician in 2024

13 Medicare Part D claims, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D.

  1. Ai-Yui Tan13
  2. Specialty average1,425

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.

Industry payments in 2024: $523.72

2 payments; by number, the most common kind was food and beverage; the largest payer was Steris Corporation. The 8,806 providers of this specialty with any payment received $5,159.88 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ai-Yui Tan$523.72
  2. Specialty average$5,159.88

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

  1. Cedars-Sinai Medical CenterLos Angeles, CA · Acute Care Hospitals5 of 5 stars
  2. Cedars-Sinai Medical Care FoundationMarina Del Rey, CA

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.

Ai-Yui M. Tan among 1,443 pulmonary disease physician records in California

Ai-Yui M. Tan, M.D. is one of 1,443 pulmonary disease physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 77% of them.

  • NPI issued2013 · 77% of these records are older, 20% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated2010 · median 2002 among the 1,061 with a school on file
  • Record last updated2022 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pulmonary Disease Physician providers in California

There are 1,443 pulmonary disease physician records in California.

The 8 pulmonary disease physician records with the nearest ZIP codes

  1. Bobak Akhavan, M.D.Marina Del Rey, CA 902921982099024
  2. Jamshid Niknam, M.D.Inglewood, CA 903011134132798
  3. Grace OwojoriInglewood, CA 903011467281923
  4. Paryus Patel, MDInglewood, CA 903011619064912
  5. Vanessa Correa, M.D.Redondo Beach, CA 902771174960504
  6. Steven Kolodny, M.D.Palos Verdes Estates, CA 902741831460369
  7. Antony Rodas, M.D.Manhattan Beach, CA 902661265428189
  8. Arunpal Sehgal, M.D.Lynwood, CA 902621801904099

Common questions

What is Ai-Yui M. Tan, M.D.'s NPI number?

Ai-Yui M. Tan, M.D.'s National Provider Identifier (NPI) is 1538503339, issued on Apr 23, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Ai-Yui M. Tan, M.D. located?

The NPPES record lists a practice address at 4650 Lincoln Blvd, Marina Del Rey, CA, 90292. Phone: (310) 823-8911. Providers update this record themselves, so call before visiting.

How can I verify Ai-Yui M. Tan, M.D.'s license?

NPPES lists California license number A182797, 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 Ai-Yui M. Tan, M.D. prescribe under Medicare Part D?

In 2024, Ai-Yui M. Tan, M.D. had 13 Medicare Part D claims; the average among pulmonary disease physician prescribers was 1,425. 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.