Richard Chyan, MD
Physical Medicine & Rehabilitation Physician · Tustin, CA
Richard Chyan, MD is a physical medicine & rehabilitation physician with a practice address in Tustin, California, and NPI 1013406628, issued on May 9, 2018. Check the license (California A163678, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Richard Chyan
- Credential
- MD
- Primary taxonomy
- Physical Medicine & Rehabilitation Physician 208100000X
- License number
- A163678 CA
Self-reported in NPPES; status is on the state search - Practice location
- 13522 Newport Ave Ste 102, Tustin, CA 92780
- Phone
- (714) 987-1211
- Enumerated
- May 9, 2018
- Record last updated
- Jul 16, 2025
- Fax
- (551) 236-2481
- Medicare enrollment
- Enrolled (PECOS I20221107003074); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 2018
- Entity
- Type 1 · individual
8 nearest physical medicine & rehabilitation physician records → All 1,549 in California → Look up another NPI →
Also registered at 13522 Newport Ave Ste 102
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amirpasha Ehsan, MDPhysical Medicine & Rehabilitation Physician1790073385
- Pin-Hung Hsieh, M.D.Internal Medicine Physician1144323064
- Vijay Jain, DMDDentist1710218326
- Julie Lopes, RN, NPFamily Nurse Practitioner1821358979
- Kim Ngan PhamPhysician Assistant1265115406
- Guy Randazzo, M.D.Pulmonary Disease Physician1881663979
Verify Richard Chyan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A163678Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1% fewer Medicare Part D claims than the average physical medicine & rehabilitation physician in 2024
718 Medicare Part D claims for 218 beneficiaries, against an average of 727 among the 7,448 providers of this specialty who prescribed in Part D. 144 claims were for opioids.
Most prescribed
- Gabapentin96 claims
- Hydrocodone-Acetaminophen56 claims
- Naloxone Hcl51 claims
- Oxycodone Hcl45 claims
- Famotidine39 claims
- Methocarbamol33 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.
The MIPS final score for 2023 (Medicare payment program): 0 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: $24.50
1 payment: food and beverage; the largest payer was Ani Pharmaceuticals, Inc. The 3,895 providers of this specialty with any payment received $1,237.86 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.
Bills Medicare through one group practice
- Orca Rehab IncOrange, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Richard Chyan among 1,549 physical medicine & rehabilitation physician records in California
Richard Chyan, MD 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 2018, is newer than 70% of them.
- NPI issued2018 · 70% of these records are older, 26% newer
- In a Medicare fileYes · 59% of these records are
- In the CMS Doctors and Clinicians fileYes · 51% of these records are
- Graduated2018 · median 2008 among the 786 with a school on file
- Record last updated2025 · 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 Tustin → Physical Medicine & Rehabilitation Physician nationwide →
The 8 physical medicine & rehabilitation physician records with the nearest ZIP codes
- Kevin Allard, P.T.Tustin, CA 927801578684668
- Alexa CharbonneauTustin, CA 927801699486316
- Amirpasha Ehsan, MDTustin, CA 927801790073385
- Emerson Jou, M.D.Tustin, CA 927801275648156
- Patrick Magno, DPTTustin, CA 927801225542640
- Matthew Jacob Manalo, PTATustin, CA 927801386524825
- Jonathon TengTustin, CA 927801437770336
- Calvin Cheng, DPTTustin, CA 927821639809312
Common questions
What is Richard Chyan, MD's NPI number?
Richard Chyan, MD's National Provider Identifier (NPI) is 1013406628, issued on May 9, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Richard Chyan, MD located?
The NPPES record lists a practice address at 13522 Newport Ave Ste 102, Tustin, CA, 92780. Phone: (714) 987-1211. Providers update this record themselves, so call before visiting.
How can I verify Richard Chyan, MD's license?
NPPES lists California license number A163678, 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 Richard Chyan, MD prescribe under Medicare Part D?
In 2024, Richard Chyan, MD had 718 Medicare Part D claims for 218 beneficiaries; the average among physical medicine & rehabilitation physician prescribers was 727. Part D covers Medicare prescriptions only.
What is Richard Chyan, MD's MIPS final score?
The 2023 MIPS final score is 0 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.