Thomas Chi, PA-C
Physician Assistant · Anaheim, CA
Thomas Chi, PA-C is a physician assistant with a practice address in Anaheim, California, and NPI 1497220768, issued on Oct 12, 2018. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Thomas Chi
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 1803 W Ball RD Apt 2, Anaheim, CA 92804
- Phone
- (714) 470-0958
- Enumerated
- Oct 12, 2018
- Record last updated
- Dec 10, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Verify Thomas Chi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average physician assistant in 2024
88 Medicare Part D claims for 64 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Cephalexin17 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 practice group's MIPS final score for 2023 (Medicare payment program): 94.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Thomas Chi among 14,451 physician assistant records in California
Thomas Chi, PA-C is one of 14,451 physician assistant records with a practice address in California. 75% 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 52% of them.
- NPI issued2018 · 52% of these records are older, 44% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2019 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
145 physician assistant records list a practice address in Anaheim
They are 145 of the 9,018 NPPES records with a practice address in Anaheim, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Anaheim → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Anthony CapatiAnaheim, CA 928041639662950
- Eric ChangAnaheim, CA 928041831657022
- Thyvan Ikari, P.A.-CAnaheim, CA 928041851799050
- Elizabeth Jivan, PA-CAnaheim, CA 928041447814652
- Julie Kramer, PAAnaheim, CA 928041497219786
- Richard Loscalzo, PAAnaheim, CA 928041710186721
- Jane Nguyen, PA-CAnaheim, CA 928041821455767
- Mai Thao Nguyen, PA-CAnaheim, CA 928041457700296
Common questions
What is Thomas Chi, PA-C's NPI number?
Thomas Chi, PA-C's National Provider Identifier (NPI) is 1497220768, issued on Oct 12, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Chi, PA-C located?
The NPPES record lists a practice address at 1803 W Ball RD Apt 2, Anaheim, CA, 92804. Phone: (714) 470-0958. Providers update this record themselves, so call before visiting.
How can I verify Thomas Chi, PA-C's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Thomas Chi, PA-C prescribe under Medicare Part D?
In 2024, Thomas Chi, PA-C had 88 Medicare Part D claims for 64 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Thomas Chi, PA-C's MIPS final score?
The 2023 MIPS final score is 94.6 of 100, reported for the practice group. 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.