Caroline Tashdjian, MD
Internal Medicine Physician · Stockton, CA
Caroline Tashdjian, MD is an internal medicine physician with a practice address in Stockton, California, and NPI 1609405042, issued on Apr 7, 2020. Check the license (California A187373, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Caroline Tashdjian
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A187373 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1800 N California St, Stockton, CA 95204
- Phone
- (209) 547-7177
- Enumerated
- Apr 7, 2020
- Record last updated
- Jan 2, 2026
- Medicare enrollment
- Enrolled (PECOS I20260112003707); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 1800 N California St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Caroline Tashdjian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A187373Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
54 Medicare Part D claims for 30 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
Industry payments in 2024: $81.93
1 payment: food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Caroline Tashdjian among 17,696 internal medicine physician records in California
Caroline Tashdjian, MD 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 2020, is newer than 89% of them.
- NPI issued2020 · 89% of these records are older, 8% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2016 · median 2004 among the 11,065 with a school on file
- Record last updated2026 · 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).
89 internal medicine physician records list a practice address in Stockton
They are 89 of the 9,522 NPPES records with a practice address in Stockton, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Stockton → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Tanveer Bajwa, M.D.Stockton, CA 952041871871681
- Cecelia Blawie, MDStockton, CA 952041245261742
- Richard Camacho, MDStockton, CA 952041649253881
- Dorothy Do-Williams, M.D.Stockton, CA 952041215237631
- Nivedita Doshi, M.D.Stockton, CA 952041417301987
- Aziz Kamali, M.D.Stockton, CA 952041306923883
- Mrinmayee Naik, M.D.Stockton, CA 952041639559081
- Sundar Natarajan, M.D.Stockton, CA 952041588794085
Common questions
What is Caroline Tashdjian, MD's NPI number?
Caroline Tashdjian, MD's National Provider Identifier (NPI) is 1609405042, issued on Apr 7, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Caroline Tashdjian, MD located?
The NPPES record lists a practice address at 1800 N California St, Stockton, CA, 95204. Phone: (209) 547-7177. Providers update this record themselves, so call before visiting.
How can I verify Caroline Tashdjian, MD's license?
NPPES lists California license number A187373, 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 Caroline Tashdjian, MD prescribe under Medicare Part D?
In 2024, Caroline Tashdjian, MD had 54 Medicare Part D claims for 30 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.