James Yaroslav Yarovoy, M.D.
Emergency Medicine Physician · San Jose, CA
James Yaroslav Yarovoy, M.D. is an emergency medicine physician with a practice address in San Jose, California, and NPI 1265966600, issued on Apr 12, 2017. Check the license (California A165464, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- James Yaroslav Yarovoy
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A165464 CA
Self-reported in NPPES; status is on the state search - Practice location
- 225 N Jackson Ave, San Jose, CA 95116
- Phone
- (408) 259-5000
- Enumerated
- Apr 12, 2017
- Record last updated
- Sep 26, 2023
- Fax
- (408) 729-2884
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 225 N Jackson Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify James Yaroslav Yarovoy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A165464Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% more Medicare Part D claims than the average emergency medicine physician in 2024
359 Medicare Part D claims for 240 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 66 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen57 claims
- Ondansetron Odt24 claims
- Cephalexin23 claims
- Ibuprofen23 claims
- Doxycycline Monohydrate20 claims
- Prednisone20 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.
James Yaroslav Yarovoy among 7,751 emergency medicine physician records in California
James Yaroslav Yarovoy, M.D. is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 78% of them.
- NPI issued2017 · 78% of these records are older, 19% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- 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 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in San Jose → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Jacob Benford, MDSan Jose, CA 951161063467595
- George Block, M.D.San Jose, CA 951161821014168
- Jeff Chan, M.DSan Jose, CA 951161184679433
- Thomas Fowler, M.DSan Jose, CA 951161306874599
- Sawsawn Hayatdavoudi, M.DSan Jose, CA 951161265487649
- Kris Johansson, M.DSan Jose, CA 951161457389611
- Beth Keegstra, M.DSan Jose, CA 951161558382093
- Khoi Lam, M.DSan Jose, CA 951161891740940
Common questions
What is James Yaroslav Yarovoy, M.D.'s NPI number?
James Yaroslav Yarovoy, M.D.'s National Provider Identifier (NPI) is 1265966600, issued on Apr 12, 2017. An NPI identifies a provider in billing; it is not a license.
Where is James Yaroslav Yarovoy, M.D. located?
The NPPES record lists a practice address at 225 N Jackson Ave, San Jose, CA, 95116. Phone: (408) 259-5000. Providers update this record themselves, so call before visiting.
How can I verify James Yaroslav Yarovoy, M.D.'s license?
NPPES lists California license number A165464, 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 James Yaroslav Yarovoy, M.D. prescribe under Medicare Part D?
In 2024, James Yaroslav Yarovoy, M.D. had 359 Medicare Part D claims for 240 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.