Elena Ermakova, MD
Family Medicine Physician · San Jose, CA
Elena Ermakova, MD is a family medicine physician with a practice address in San Jose, California, and NPI 1932322112, issued on Apr 10, 2007. Check the license (California A92215, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Elena Ermakova
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A92215 CA
Self-reported in NPPES; status is on the state search - Practice location
- 266 N Jackson Ave Ste 4, San Jose, CA 95116
- Phone
- (408) 975-2763
- Enumerated
- Apr 10, 2007
- Record last updated
- Feb 25, 2026
- Fax
- (408) 975-2764
- Medicare enrollment
- Enrolled (PECOS I20071004000332); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 266 N Jackson Ave Ste 4
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Da Bin Lee, DDSDentist1376220012
Verify Elena Ermakova in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A92215Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% fewer Medicare Part D claims than the average family medicine physician in 2024
3,093 Medicare Part D claims for 217 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 30 claims were for opioids.
Most prescribed
- Amlodipine Besylate184 claims
- Atorvastatin Calcium143 claims
- Levothyroxine Sodium133 claims
- Losartan Potassium116 claims
- Metformin Hcl107 claims
- Lisinopril101 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
- Sutter Bay Medical FoundationMorgan Hill, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Elena Ermakova among 17,133 family medicine physician records in California
Elena Ermakova, MD is one of 17,133 family 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 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 47% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1985 · median 2005 among the 10,652 with a school on file
- Record last updated2026 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
265 family medicine physician records list a practice address in San Jose
They are 265 of the 20,925 NPPES records with a practice address in San Jose, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in San Jose → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Sekhar Ujwala Eadula, M.D.San Jose, CA 951161427313345
- Darith Khay, M.D.San Jose, CA 951161295761609
- Joshua Lopez, D.O.San Jose, CA 951161629288766
- James Luu, D.O.San Jose, CA 951161104915198
- Chau Nguyen, M.D.San Jose, CA 951161285612028
- Hai Nguyen, M.D.San Jose, CA 951161326079997
- Vu Nguyen, D.O.San Jose, CA 951161225063290
- Trung Nguyen, M.D.San Jose, CA 951161245306794
Common questions
What is Elena Ermakova, MD's NPI number?
Elena Ermakova, MD's National Provider Identifier (NPI) is 1932322112, issued on Apr 10, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Elena Ermakova, MD located?
The NPPES record lists a practice address at 266 N Jackson Ave Ste 4, San Jose, CA, 95116. Phone: (408) 975-2763. Providers update this record themselves, so call before visiting.
How can I verify Elena Ermakova, MD's license?
NPPES lists California license number A92215, 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 Elena Ermakova, MD prescribe under Medicare Part D?
In 2024, Elena Ermakova, MD had 3,093 Medicare Part D claims for 217 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.