Amish Kishor Shah, D.O., M.P,H,
Geriatric Medicine (Internal Medicine) Physician · Tustin, CA
Amish Kishor Shah, D.O., M.P,H, is a geriatric medicine (internal medicine) physician with a practice address in Tustin, California, and NPI 1851531768, issued on Mar 5, 2009. Check the license (California 20A11673, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Amish Kishor Shah
- Credential
- D.O., M.P,H,
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- 20A11673 CA
Self-reported in NPPES; status is on the state search - Practice location
- 17542 17TH St, Tustin, CA 92780
- Phone
- (714) 734-5500
- Enumerated
- Mar 5, 2009
- Record last updated
- Nov 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 532 in California → Look up another NPI →
Also registered at 17542 17TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John AlexanderCase Manager/Care Coordinator1598977647
- Angelica Bon, LCSWMental Health Counselor1083916860
- Quyen Dao, M.D.Obesity Medicine (Internal Medicine) Physician1932305034
- Haley LounsburySpeech-Language Pathologist1447626247
Verify Amish Kishor Shah in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A11673Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
180 Medicare Part D claims for 71 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. 73 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen22 claims
- Morphine Sulfate Er22 claims
- Losartan Potassium13 claims
- Rosuvastatin Calcium13 claims
- Pantoprazole Sodium12 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.
Amish Kishor Shah among 532 geriatric medicine (internal medicine) physician records in California
Amish Kishor Shah, D.O., M.P,H, is one of 532 geriatric medicine (internal medicine) physician records with a practice address in California. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 70% of them.
- NPI issued2009 · 70% of these records are older, 29% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 51% of these records are
- Record last updated2021 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in California
There are 532 geriatric medicine (internal medicine) physician records in California.
All 532 in California → Every provider in Tustin → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Alvin Chang, M.D.Tustin, CA 927801396857181
- Allen Chou, MDGarden Grove, CA 928431215919915
- Chaewon Song, MDGarden Grove, CA 928431972589687
- Giselle Seron, MDGarden Grove, CA 928441790858900
- Victor Siew, M.D.Fountain Valley, CA 927081164515003
- Richard Wong, M.D.Fountain Valley, CA 927081659416436
- Shashidar Acharya, M.D.Orange, CA 928661770685521
- Robert Buster, M.D.Orange, CA 928681841343076
Common questions
What is Amish Kishor Shah, D.O., M.P,H,'s NPI number?
Amish Kishor Shah, D.O., M.P,H,'s National Provider Identifier (NPI) is 1851531768, issued on Mar 5, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Amish Kishor Shah, D.O., M.P,H, located?
The NPPES record lists a practice address at 17542 17TH St, Tustin, CA, 92780. Phone: (714) 734-5500. Providers update this record themselves, so call before visiting.
How can I verify Amish Kishor Shah, D.O., M.P,H,'s license?
NPPES lists California license number 20A11673, 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 Amish Kishor Shah, D.O., M.P,H, prescribe under Medicare Part D?
In 2024, Amish Kishor Shah, D.O., M.P,H, had 180 Medicare Part D claims for 71 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.