Ying Chi, M.D.
Orthopaedic Hand Surgery Physician · Fountain Valley, CA
Ying Chi, M.D. is an orthopaedic hand surgery physician with a practice address in Fountain Valley, California, and NPI 1518178169, issued on May 25, 2007. Check the license (California A107272, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ying Chi
- Credential
- M.D.
- Primary taxonomy
- Orthopaedic Hand Surgery Physician 207XS0106X
- License numbers
- A107272 CA
4301085512 MI
35.095552 OH
Self-reported in NPPES; status is on the state search - Practice location
- 11190 Warner Ave, Fountain Valley, CA 92708
- Phone
- (714) 434-3518
- Enumerated
- May 25, 2007
- Record last updated
- May 2, 2023
- Fax
- (714) 434-3759
- Medicare enrollment
- Enrolled (PECOS I20120104000091); accepts Medicare assignment
- Medical or professional school
- University Of Washington School Of Medicine, 2004
- Entity
- Type 1 · individual
8 nearest orthopaedic hand surgery physician records → All 288 in California → Look up another NPI →
Also registered at 11190 Warner Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ying Chi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A107272Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% more Medicare Part D claims than the average orthopaedic hand surgery physician in 2024
307 Medicare Part D claims for 185 beneficiaries, against an average of 186 among the 2,203 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.
Ying Chi among 288 orthopaedic hand surgery physician records in California
Ying Chi, M.D. is one of 288 orthopaedic hand surgery 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 2007, is newer than 48% of them.
- NPI issued2007 · 48% of these records are older, 38% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2004 · median 2004 among the 214 with a school on file
- Record last updated2023 · 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 207XS0106X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Hand Surgery Physician providers in California
There are 288 orthopaedic hand surgery physician records in California.
All 288 in California → Every provider in Fountain Valley → Orthopaedic Hand Surgery Physician nationwide →
The 8 orthopaedic hand surgery physician records with the nearest ZIP codes
- Jawad Khan, M.D.Fountain Valley, CA 927081003115619
- Bhavik Patel, MDFountain Valley, CA 927081750919759
- Mark Elzik, M.D.Mission Viejo, CA 926911093904302
- Evan Guerrero, M.D.Mission Viejo, CA 926911346635125
- Kevin Kim, D.ONewport Beach, CA 926631669826798
- John Cook, MDNewport Beach, CA 926601063588705
- Shaunak Desai, M.D.Newport Beach, CA 926601174733802
- Tze Ip, M.D.Newport Beach, CA 926601780629493
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?
NPPES lists California license number A107272, 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 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 hand surgery physician prescribers was 186. 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.