Jerry F. Tsai, M.D.
Internal Medicine Physician · Orange, CA
Jerry F. Tsai, M.D. is an internal medicine physician with a practice address in Orange, California, and NPI 1083703565, issued on Oct 12, 2006. Check the license (California G83006, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jerry F. Tsai
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G83006 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2501 E Chapman Ave, Orange, CA 92869
- Phone
- (714) 633-1011
- Enumerated
- Oct 12, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (714) 633-4883
- Medicare enrollment
- Enrolled (PECOS I20100325000540); accepts Medicare assignment
- Medical or professional school
- Albert Einstein College Of Medicine Of Yeshiva University, 1993
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 2501 E Chapman Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Albert Bach, PHARM.D.Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1922355742
Verify Jerry F. Tsai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G83006Check 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 internal medicine physician in 2024
341 Medicare Part D claims for 149 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Furosemide21 claims
- Carvedilol16 claims
- Pantoprazole Sodium15 claims
- Amlodipine Besylate14 claims
- Amoxicillin-Clavulanate Potass13 claims
- Cephalexin13 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
- Providence Medical FoundationOrange, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jerry F. Tsai among 17,696 internal medicine physician records in California
Jerry F. Tsai, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1993 · median 2004 among the 11,065 with a school on file
- Record last updated2007 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
187 internal medicine physician records list a practice address in Orange
They are 187 of the 13,245 NPPES records with a practice address in Orange, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Orange → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Aladean Abdrabbo, M.D.Orange, CA 928691578905675
- Saif Al Yaseen, M.D.Orange, CA 928691356684096
- Jay Amin, MDOrange, CA 928691568564193
- Laura Cho, M.D.Orange, CA 928691982790820
- Kathleen Glaspy, M.D.Orange, CA 928691134311186
- John Godes, MDOrange, CA 928691730330572
- Yio-Fan Hsu, M.D.Orange, CA 928691588989529
- Graciela Imbastari, MDOrange, CA 928691801809983
Common questions
What is Jerry F. Tsai, M.D.'s NPI number?
Jerry F. Tsai, M.D.'s National Provider Identifier (NPI) is 1083703565, issued on Oct 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jerry F. Tsai, M.D. located?
The NPPES record lists a practice address at 2501 E Chapman Ave, Orange, CA, 92869. Phone: (714) 633-1011. Providers update this record themselves, so call before visiting.
How can I verify Jerry F. Tsai, M.D.'s license?
NPPES lists California license number G83006, 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 Jerry F. Tsai, M.D. prescribe under Medicare Part D?
In 2024, Jerry F. Tsai, M.D. had 341 Medicare Part D claims for 149 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.