NPPES file of Aug 9, 2026

Natalia Nemkovich, MD

Internal Medicine Physician · San Jose, CA

Natalia Nemkovich, MD is an internal medicine physician with a practice address in San Jose, California, and NPI 1629574934, issued on Apr 4, 2018. Check the license (California A174458, 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
1629574934
Name
Natalia Nemkovich
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A174458 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 4, 2018
Record last updated
Oct 20, 2022
Medicare enrollment
Enrolled (PECOS I20221026002538); 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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Also registered at 225 N Jackson Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ifrah Ali, MDEmergency Medicine Physician1952776833
  2. Noenoe Aung, M.DHospitalist Physician1073924346
  3. Jennifer Baeza, CCPPerfusionist1821441916
  4. Maria Annalaine Bangoy, RRTGeneral Care Registered Respiratory Therapist1902086366
  5. Komal Bhatt, MDInternal Medicine Physician1003824699
  6. Paz Bilkey, MDAnesthesiology Physician1891746780

Verify Natalia Nemkovich in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A174458
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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91% fewer Medicare Part D claims than the average internal medicine physician in 2024

274 Medicare Part D claims for 87 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 16 claims were for opioids.

  1. Natalia Nemkovich274
  2. Specialty average3,176

Most prescribed

  1. Amlodipine Besylate14 claims
  2. Atorvastatin Calcium13 claims
  3. Pantoprazole Sodium12 claims
  4. 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

  1. Providence Medical FoundationSanta Rosa, CA

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

Natalia Nemkovich among 17,696 internal medicine physician records in California

Natalia Nemkovich, 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 2018, is newer than 84% of them.

  • NPI issued2018 · 84% of these records are older, 14% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2003 · median 2004 among the 11,065 with a school on file
  • Record last updated2022 · 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. Komal Bhatt, MDSan Jose, CA 951161003824699
  2. Richard Cathey, M.D.San Jose, CA 951161750343323
  3. Dinh Dam, M.D.San Jose, CA 951161518936616
  4. Jaco Fishenfeld, MDSan Jose, CA 951161689639577
  5. Jose Maria Guanzon, MDSan Jose, CA 951161134150881
  6. Teresita Guanzon, MDSan Jose, CA 951161306877055
  7. Dwight Lim, MDSan Jose, CA 951161124084561
  8. Syed Majid, MD, FRCP, FASAMSan Jose, CA 951161225009533

Common questions

What is Natalia Nemkovich, MD's NPI number?

Natalia Nemkovich, MD's National Provider Identifier (NPI) is 1629574934, issued on Apr 4, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Natalia Nemkovich, MD 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 Natalia Nemkovich, MD's license?

NPPES lists California license number A174458, 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 Natalia Nemkovich, MD prescribe under Medicare Part D?

In 2024, Natalia Nemkovich, MD had 274 Medicare Part D claims for 87 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.