Uladzislau Naidzionak, M.D.
Internal Medicine Physician · San Diego, CA
Uladzislau Naidzionak, M.D. is an internal medicine physician with a practice address in San Diego, California, and NPI 1023246212, issued on Jun 25, 2009. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Uladzislau Naidzionak
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 2009012274 MO
Self-reported in NPPES; status is on the state search - Practice location
- 7930 Frost St Ste 405, San Diego, CA 92123
- Phone
- (858) 571-2811
- Enumerated
- Jun 25, 2009
- Record last updated
- Feb 17, 2026
- Fax
- (858) 571-2814
- Medicare enrollment
- Enrolled (PECOS I20150730013469); 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 7930 Frost St Ste 405
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Seung-Yil Song, M.D.Medical Oncology Physician1578677860
Verify Uladzislau Naidzionak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average internal medicine physician in 2024
635 Medicare Part D claims for 88 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 29 claims were for opioids.
Most prescribed
- Ondansetron Hcl58 claims
- Anastrozole37 claims
- Lenalidomide30 claims
- Erleada29 claims
- Kisqali26 claims
- Verzenio25 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $13,924.66
109 payments; by number, the most common kind was food and beverage; the largest payer was Alexion Pharmaceuticals, Inc. 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.
Bills Medicare through 2 group practices
- Emergency And Acute Care Medical CorporationSan Diego, CA
- San Diego Oncology Medical ClinicSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Uladzislau Naidzionak among 17,696 internal medicine physician records in California
Uladzislau Naidzionak, M.D. 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 2009, is newer than 60% of them.
- NPI issued2009 · 60% of these records are older, 37% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2006 · 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).
961 internal medicine physician records list a practice address in San Diego
They are 961 of the 52,937 NPPES records with a practice address in San Diego, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Diego → Internal Medicine Physician nationwide →
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- Lynne Milgram, M.D.San Diego, CA 921231629016316
Common questions
What is Uladzislau Naidzionak, M.D.'s NPI number?
Uladzislau Naidzionak, M.D.'s National Provider Identifier (NPI) is 1023246212, issued on Jun 25, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Uladzislau Naidzionak, M.D. located?
The NPPES record lists a practice address at 7930 Frost St Ste 405, San Diego, CA, 92123. Phone: (858) 571-2811. Providers update this record themselves, so call before visiting.
How can I verify Uladzislau Naidzionak, M.D.'s license?
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 Uladzislau Naidzionak, M.D. prescribe under Medicare Part D?
In 2024, Uladzislau Naidzionak, M.D. had 635 Medicare Part D claims for 88 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Uladzislau Naidzionak, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.