Ying Chi, M.D.
Orthopaedic Surgery Physician · Fountain Valley, CA
Ying Chi, M.D. is an orthopaedic surgery physician with a practice address in Fountain Valley, California, and NPI 1518178169, issued on May 25, 2007. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ying Chi
- Credential
- M.D.
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- Practice location
- 11190 Warner Ave, Fountain Valley, CA 92708
- Phone
- (714) 434-3518
- Enumerated
- May 25, 2007
- Entity
- Type 1 · individual
Also registered at 11190 Warner Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Afshan Ali, M.D.Pediatric Hematology & Oncology Physician1215953278
- Son Duong, M.D.Vascular Surgery Physician1982880928
- Karen Jones, MDPrescribing (Medical) Psychologist1992914782
- Shawna Jones, P.A.-CPhysician Assistant1447451786
- Donald Karon, M.D.Radiation Oncology Physician1982668216
- Onechang Lee, M.D.Neurological Surgery Physician1881838662
Verify Ying Chi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
11% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
307 Medicare Part D claims for 185 beneficiaries, against an average of 344 among the 17,387 providers of this specialty who prescribed in Part D. 168 claims were for opioids.
Most prescribed
- Tramadol Hcl158 claims
- Cephalexin134 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.
Orthopaedic Surgery Physician providers in California
There are 2,427 orthopaedic surgery physician records in California.
All 2,427 in California → Every provider in Fountain Valley →
Other orthopaedic surgery physician records in California
- Karim Abdollahi, M.D.Laguna Beach, CA1942240403
- Hussein Abdulrassoul, MDRiverside, CA1972123891
- Douglas Abeles, MDCastro Valley, CA1508961582
- Anthony Abene, MDSan Jose, CA1457437964
- Nicholas Abidi, MDCapitola, CA1548273758
- Joshua Acebo, MDPalo Alto, CA1396373734
- Daniel Acevedo, M.D.Thousand Oaks, CA1184856122
- Curtis Adams, MDSacramento, CA1265963656
- John Adams, MDLos Angeles, CA1215914114
- Gregory Adamson, M.D.Pasadena, CA1972590610
Common questions
What is Ying Chi, M.D.'s NPI number?
Ying Chi, M.D.'s National Provider Identifier (NPI) is 1518178169, issued on May 25, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ying Chi, M.D. located?
The NPPES record lists a practice address at 11190 Warner Ave, Fountain Valley, CA, 92708. Phone: (714) 434-3518. Providers update this record themselves, so call before visiting.
How can I verify Ying Chi, 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 Ying Chi, M.D. prescribe under Medicare Part D?
In 2024, Ying Chi, M.D. had 307 Medicare Part D claims for 185 beneficiaries; the average among orthopaedic surgery physician prescribers was 344. 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.
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.