NPPES file of Aug 9, 2026

Felix An Hua Chen, MD PHD

Pain Medicine (Physical Medicine & Rehabilitation) Physician · Burlingame, CA

Felix An Hua Chen, MD PHD is a pain medicine (physical medicine & rehabilitation) physician with a practice address in Burlingame, California, and NPI 1265591937, issued on Dec 8, 2006. Check the license (California A79576, 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
1265591937
Name
Felix An Hua Chen
Credential
MD PHD
Primary taxonomy
Pain Medicine (Physical Medicine & Rehabilitation) Physician 2081P2900X
License number
A79576 CA
Self-reported in NPPES; status is on the state search
Practice location
1501 Trousdale Dr FL 3, Burlingame, CA 94010
Phone
(650) 652-8448
Enumerated
Dec 8, 2006
Record last updated
Jun 23, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(650) 347-8612
Medicare enrollment
Enrolled (PECOS I20040616000727); 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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8 nearest pain medicine (physical medicine & rehabilitation) physician records → All 290 in California → Look up another NPI →

Also registered at 1501 Trousdale Dr FL 3

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

  1. Tyler Aguinaldo, MDEndocrinology, Diabetes & Metabolism Physician1306811906
  2. Jennifer Chu, M.D.Endocrinology, Diabetes & Metabolism Physician1760829493
  3. Emily Crozier, MDOtolaryngology Physician1497920219
  4. Andrew Dao, MDInternal Medicine Physician1083290605
  5. Mary Grace De Castro, MAAssistant Health Information Record Technician1467085373
  6. Megan Seidensticker, RD, CDERegistered Dietitian1629201298

Verify Felix An Hua Chen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A79576    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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65% fewer Medicare Part D claims than the average pain medicine (physical medicine & rehabilitation) physician in 2024

517 Medicare Part D claims for 192 beneficiaries, against an average of 1,479 among the 1,457 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims. 32 claims were for opioids.

  1. Felix Chen517
  2. Specialty average1,479

Most prescribed

  1. Gabapentin93 claims
  2. Celecoxib64 claims
  3. Meloxicam62 claims
  4. Duloxetine Hcl38 claims
  5. Prednisone32 claims
  6. Pregabalin25 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.

Bills Medicare through one group practice

  1. Sutter Bay Medical FoundationBurlingame, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Felix An Hua Chen among 290 pain medicine (physical medicine & rehabilitation) physician records in California

Felix An Hua Chen, MD PHD is one of 290 pain medicine (physical medicine & rehabilitation) physician records with a practice address in California. 85% 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, 60% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2000 · median 2005 among the 196 with a school on file
  • Record last updated2020 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2081P2900X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pain Medicine (Physical Medicine & Rehabilitation) Physician providers in California

There are 290 pain medicine (physical medicine & rehabilitation) physician records in California.

All 290 in California → Every provider in Burlingame → Pain Medicine (Physical Medicine & Rehabilitation) Physician nationwide →

The 8 pain medicine (physical medicine & rehabilitation) physician records with the nearest ZIP codes

  1. Tulsi Singh, MDBurlingame, CA 940101750777165
  2. Carri Jones, MDDaly City, CA 940151023114733
  3. Gerald Keane, MDRedwood City, CA 940631497713945
  4. Joel Saal, MDRedwood City, CA 940631669430104
  5. Jeffrey Saal, MDRedwood City, CA 940631285692640
  6. Jesse Bernstein, MDMonterey, CA 939401992068159
  7. Salar Deldar, M.D.Monterey, CA 939401578799193
  8. Lisa Kroopf, M.D.Monterey, CA 939401487896585

Common questions

What is Felix An Hua Chen, MD PHD's NPI number?

Felix An Hua Chen, MD PHD's National Provider Identifier (NPI) is 1265591937, issued on Dec 8, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Felix An Hua Chen, MD PHD located?

The NPPES record lists a practice address at 1501 Trousdale Dr FL 3, Burlingame, CA, 94010. Phone: (650) 652-8448. Providers update this record themselves, so call before visiting.

How can I verify Felix An Hua Chen, MD PHD's license?

NPPES lists California license number A79576, 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 Felix An Hua Chen, MD PHD prescribe under Medicare Part D?

In 2024, Felix An Hua Chen, MD PHD had 517 Medicare Part D claims for 192 beneficiaries; the average among pain medicine (physical medicine & rehabilitation) physician prescribers was 1,479. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.