Tatiana Korshunova, MD
Internal Medicine Physician · Auburn, CA
Tatiana Korshunova, MD is an internal medicine physician with a practice address in Auburn, California, and NPI 1093121535, issued on Jul 4, 2014. Check the license (California A131077, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Tatiana Korshunova
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A131077 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11815 Education St, Auburn, CA 95602
- Phone
- (530) 886-6558
- Enumerated
- Jul 4, 2014
- Record last updated
- Jun 15, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (530) 889-6035
- Medicare enrollment
- Enrolled (PECOS I20140919001926); 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 11815 Education St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Daniel Carter, MDEmergency Medicine Physician1720147556
Verify Tatiana Korshunova in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A131077Check 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
345 Medicare Part D claims for 167 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 17 claims were for opioids.
Most prescribed
- Prednisone18 claims
- Furosemide15 claims
- Azithromycin13 claims
- Metoprolol Succinate12 claims
- Metoprolol Tartrate12 claims
- Amoxicillin-Clavulanate Potass11 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 Valley Medical FoundationRoseville, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tatiana Korshunova among 17,696 internal medicine physician records in California
Tatiana Korshunova, 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 2014, is newer than 74% of them.
- NPI issued2014 · 74% of these records are older, 24% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1998 · median 2004 among the 11,065 with a school on file
- Record last updated2015 · 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).
31 internal medicine physician records list a practice address in Auburn
They are 31 of the 1,392 NPPES records with a practice address in Auburn, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Auburn → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ardavan Afrasiabi, MDAuburn, CA 956021295722726
- Roxana Calmac, M.D.Auburn, CA 956021306866900
- Dana Ciobanu, D.OAuburn, CA 956021003186644
- Robert Hsu, M.D.Auburn, CA 956021619059748
- Alan Michel, M.D.Auburn, CA 956021821047887
- Jose Miranda, M.D.Auburn, CA 956021679616437
- Sujata Narayanan, M.DAuburn, CA 956021104022854
- Neil Nedley, MDAuburn, CA 956021952336059
Common questions
What is Tatiana Korshunova, MD's NPI number?
Tatiana Korshunova, MD's National Provider Identifier (NPI) is 1093121535, issued on Jul 4, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Tatiana Korshunova, MD located?
The NPPES record lists a practice address at 11815 Education St, Auburn, CA, 95602. Phone: (530) 886-6558. Providers update this record themselves, so call before visiting.
How can I verify Tatiana Korshunova, MD's license?
NPPES lists California license number A131077, 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 Tatiana Korshunova, MD prescribe under Medicare Part D?
In 2024, Tatiana Korshunova, MD had 345 Medicare Part D claims for 167 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.