NPPES file of Aug 9, 2026

Tatiana Aleksandrovna Ososkova, MD

Internal Medicine Physician · San Jose, CA

Tatiana Aleksandrovna Ososkova, MD is an internal medicine physician with a practice address in San Jose, California, and NPI 1023281904, issued on Apr 10, 2008. Check the license (California 22222222, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1023281904
Name
Tatiana Aleksandrovna Ososkova
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
22222222 CA
Self-reported in NPPES; status is on the state search
Practice location
910 Hedlund CT, San Jose, CA 95123
Phone
(408) 712-2079
Enumerated
Apr 10, 2008
Record last updated
Dec 13, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20091007000186); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Tatiana Aleksandrovna Ososkova in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 22222222
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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95% fewer Medicare Part D claims than the average internal medicine physician in 2024

143 Medicare Part D claims for 48 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.

  1. Tatiana Ososkova143
  2. Specialty average3,176

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

  1. Permanente Medical Group IncSanta Clara, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Tatiana Aleksandrovna Ososkova among 17,696 internal medicine physician records in California

Tatiana Aleksandrovna Ososkova, 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 2008, is newer than 56% of them.

  • NPI issued2008 · 56% of these records are older, 40% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1997 · median 2004 among the 11,065 with a school on file
  • Record last updated2021 · 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).

428 internal medicine physician records list a practice address in San Jose

They are 428 of the 20,925 NPPES records with a practice address in San Jose, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Swetha Bhat, M.D.San Jose, CA 951231174943872
  2. Samuel Cipoletti, M.DSan Jose, CA 951231477576429
  3. Bali Gill, MDSan Jose, CA 951231871911347
  4. Sudha SaduvalaSan Jose, CA 951231619350634
  5. Nadia Sattar, MDSan Jose, CA 951231750769121
  6. Tien Trinh, M.D.San Jose, CA 951231881791135
  7. Nora Ancheta, MDSan Jose, CA 951221588733166
  8. Huma Aziz, M.D.San Jose, CA 951241740390111

Common questions

What is Tatiana Aleksandrovna Ososkova, MD's NPI number?

Tatiana Aleksandrovna Ososkova, MD's National Provider Identifier (NPI) is 1023281904, issued on Apr 10, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Tatiana Aleksandrovna Ososkova, MD located?

The NPPES record lists a practice address at 910 Hedlund CT, San Jose, CA, 95123. Phone: (408) 712-2079. Providers update this record themselves, so call before visiting.

How can I verify Tatiana Aleksandrovna Ososkova, MD's license?

NPPES lists California license number 22222222, 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 Aleksandrovna Ososkova, MD prescribe under Medicare Part D?

In 2024, Tatiana Aleksandrovna Ososkova, MD had 143 Medicare Part D claims for 48 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.