Registry data as of Aug 27, 2026

Michael Chen, M.D.

Otolaryngology Physician · Baldwin Park, CA

Michael Chen, M.D. is an otolaryngology physician with a practice address in Baldwin Park, California, and NPI 1710247051, issued on May 21, 2012. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1710247051
Name
Michael Chen
Credential
M.D.
Primary taxonomy
Otolaryngology Physician 207Y00000X
Practice location
1011 Baldwin Park Blvd, Baldwin Park, CA 91706
Phone
(626) 851-1011
Enumerated
May 21, 2012
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1011 Baldwin Park Blvd

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

  1. Sarah Abdulla, M.D.Surgery Physician1699200840
  2. Julia Aburto-Erazo, NPNurse Practitioner1922175777
  3. Mauricio Acevedo, MDInternal Medicine Physician1659442614
  4. Helen Achio, PHARM.D.Pharmacist1225114614
  5. Olufemi Adenuga, M.D, MPHCritical Care Medicine (Internal Medicine) Physician1134389125
  6. Soma Agarwal, MDOphthalmology Physician1437220316

Verify Michael Chen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck 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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

17% fewer Medicare Part D claims than the average otolaryngology physician in 2024

444 Medicare Part D claims for 187 beneficiaries, against an average of 536 among the 7,899 providers of this specialty who prescribed in Part D. 68 claims were for opioids.

  1. Michael Chen444
  2. Specialty average536

Most prescribed

  1. Dexamethasone87 claims
  2. Cephalexin58 claims
  3. Tramadol Hcl57 claims
  4. Ipratropium Bromide35 claims
  5. Azelastine Hcl34 claims
  6. Omeprazole18 claims

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.

One hospital or facility affiliation

  1. Southern California Permanente Medical GroupBaldwin Park, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Otolaryngology Physician providers in California

There are 1,225 otolaryngology physician records in California.

All 1,225 in California → Every provider in Baldwin Park →

Other otolaryngology physician records in California

  1. Arman Abdalkhani, MDPalo Alto, CA1356536130
  2. Ahmed AbdelmeguidPalo Alto, CA1447744180
  3. Rami Abdou, M.D.Santa Rosa, CA1700143013
  4. Eric AbelloOrange, CA1922566215
  5. Mohamed Aboueisha, MDLos Angeles, CA1316678881
  6. Marianne Abouyared, M.D.Sacramento, CA1235472200
  7. Norton Abramson, M.D.San Clemente, CA1356488696
  8. Basil Adad, MDWalnut Creek, CA1487732574
  9. Brett Adams, MDStockton, CA1407934227
  10. Romeo Agbayani, MDGreenbrae, CA1205909603

Common questions

What is Michael Chen, M.D.'s NPI number?

Michael Chen, M.D.'s National Provider Identifier (NPI) is 1710247051, issued on May 21, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Michael Chen, M.D. located?

The NPPES record lists a practice address at 1011 Baldwin Park Blvd, Baldwin Park, CA, 91706. Phone: (626) 851-1011. Providers update this record themselves, so call before visiting.

How can I verify Michael Chen, M.D.'s license?

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 Michael Chen, M.D. prescribe under Medicare Part D?

In 2024, Michael Chen, M.D. had 444 Medicare Part D claims for 187 beneficiaries; the average among otolaryngology physician prescribers was 536. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Compiled from official public sources by the editorial process.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.