NPPES file of Aug 9, 2026

Suzanne Chun, D.O.

Physical Medicine & Rehabilitation Physician · Martinez, CA

Suzanne Chun, D.O. is a physical medicine & rehabilitation physician with a practice address in Martinez, California, and NPI 1154598423, issued on May 14, 2008. Check the license (California 20A10365, 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
1154598423
Name
Suzanne Chun
Credential
D.O.
Primary taxonomy
Physical Medicine & Rehabilitation Physician 208100000X
License number
20A10365 CA
Self-reported in NPPES; status is on the state search
Practice location
200 Muir RD, Martinez, CA 94553
Phone
(925) 313-4740
Enumerated
May 14, 2008
Record last updated
Dec 14, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20110407000883); accepts Medicare assignment
Medical or professional school
New York Medical College, 2004
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 physical medicine & rehabilitation physician records → All 1,549 in California → Look up another NPI →

Also registered at 200 Muir RD

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

  1. Sharon Abrams, MDDiagnostic Radiology Physician1780762856
  2. Elizabeth Aguirre, PHARM.D.Pharmacist1518119833
  3. Mona Ahmad, M.D.Physical Medicine & Rehabilitation Physician1881128510
  4. Eric Alexander, MDNeuromuscular Medicine (Physical Medicine & Rehabilitation) Physician1922180157
  5. Robert Anderson, MDInternal Medicine Physician1447338538
  6. May Antonio, PTPhysical Therapist1245553668

Verify Suzanne Chun in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A10365    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

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58% fewer Medicare Part D claims than the average physical medicine & rehabilitation physician in 2024

302 Medicare Part D claims for 100 beneficiaries, against an average of 727 among the 7,448 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Suzanne Chun302
  2. Specialty average727

Most prescribed

  1. Baclofen95 claims
  2. Gabapentin77 claims
  3. Duloxetine Hcl46 claims
  4. Tizanidine Hcl30 claims
  5. Diazepam11 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. Permanente Medical Group IncMartinez, CA

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

Suzanne Chun among 1,549 physical medicine & rehabilitation physician records in California

Suzanne Chun, D.O. is one of 1,549 physical medicine & rehabilitation physician records with a practice address in California. 59% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 41% of them.

  • NPI issued2008 · 41% of these records are older, 55% newer
  • In a Medicare fileYes · 59% of these records are
  • In the CMS Doctors and Clinicians fileYes · 51% of these records are
  • Graduated2004 · median 2008 among the 786 with a school on file
  • Record last updated2021 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208100000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Physical Medicine & Rehabilitation Physician providers in California

There are 1,549 physical medicine & rehabilitation physician records in California.

All 1,549 in California → Every provider in Martinez → Physical Medicine & Rehabilitation Physician nationwide →

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

  1. Mona Ahmad, M.D.Martinez, CA 945531881128510
  2. Emily Chen, M.D.Martinez, CA 945531114380342
  3. Anatoliy Fortenko, MDMartinez, CA 945531962580035
  4. F. Anthony Massimino, MDMartinez, CA 945531477631539
  5. Andrew Nguyen, MDMartinez, CA 945531710177597
  6. Gordon Weiss, MDMartinez, CA 945531043398126
  7. Oanh Mandal, M.D.Livermore, CA 945501568672228
  8. Keith Okamuro, M.D.Livermore, CA 945501134210230

Common questions

What is Suzanne Chun, D.O.'s NPI number?

Suzanne Chun, D.O.'s National Provider Identifier (NPI) is 1154598423, issued on May 14, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Suzanne Chun, D.O. located?

The NPPES record lists a practice address at 200 Muir RD, Martinez, CA, 94553. Phone: (925) 313-4740. Providers update this record themselves, so call before visiting.

How can I verify Suzanne Chun, D.O.'s license?

NPPES lists California license number 20A10365, 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 Suzanne Chun, D.O. prescribe under Medicare Part D?

In 2024, Suzanne Chun, D.O. had 302 Medicare Part D claims for 100 beneficiaries; the average among physical medicine & rehabilitation physician prescribers was 727. 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.