Ryan Chen, MD
Family Medicine Physician · Irvine, CA
Ryan Chen, MD is a family medicine physician with a practice address in Irvine, California, and NPI 1770112294, issued on Apr 6, 2020. Check the license (California 1770112294, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ryan Chen
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 1770112294 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1190 Roosevelt # 100, Irvine, CA 92620
- Phone
- (626) 376-4487
- Enumerated
- Apr 6, 2020
- Record last updated
- Oct 27, 2023
- Medicare enrollment
- Enrolled (PECOS I20230717002360); accepts Medicare assignment
- Medical or professional school
- St. Louis College Of Physicians And Surgeons, 2020
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 1190 Roosevelt # 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Chai-Yung Tsai, M.D.Family Medicine Physician1467428326
Verify Ryan Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 1770112294Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average family medicine physician in 2024
612 Medicare Part D claims for 439 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Ibuprofen71 claims
- Albuterol Sulfate Hfa31 claims
- Prednisone28 claims
- Ofloxacin27 claims
- Sulfamethoxazole-Trimethoprim26 claims
- Amoxicillin-Clavulanate Potass25 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
- Southern California Permanente Medical GroupBellflower, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ryan Chen among 17,133 family medicine physician records in California
Ryan Chen, MD is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 88% of them.
- NPI issued2020 · 88% of these records are older, 9% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2020 · median 2005 among the 10,652 with a school on file
- Record last updated2023 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
148 family medicine physician records list a practice address in Irvine
They are 148 of the 7,778 NPPES records with a practice address in Irvine, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Irvine → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Nabeel Ali, MDIrvine, CA 926201184079246
- Faryal Arif, M.D.Irvine, CA 926201770995664
- Dorsa Babai, D.O.Irvine, CA 926201285830315
- Bita Badakhshan, M.D.Irvine, CA 926201801058938
- Amine Chahbouni, D.O.Irvine, CA 926201326319021
- Felix Horng, MDIrvine, CA 926201578586046
- Steven Luh, M.DIrvine, CA 926201053368084
- Ali Miremadi, M.D.Irvine, CA 926201043435449
Common questions
What is Ryan Chen, MD's NPI number?
Ryan Chen, MD's National Provider Identifier (NPI) is 1770112294, issued on Apr 6, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Ryan Chen, MD located?
The NPPES record lists a practice address at 1190 Roosevelt # 100, Irvine, CA, 92620. Phone: (626) 376-4487. Providers update this record themselves, so call before visiting.
How can I verify Ryan Chen, MD's license?
NPPES lists California license number 1770112294, 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 Ryan Chen, MD prescribe under Medicare Part D?
In 2024, Ryan Chen, MD had 612 Medicare Part D claims for 439 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.