NPPES file of Aug 9, 2026

Yelena Krijanovski, M.D.

Hematology & Oncology Physician · Fairfield, CA

Yelena Krijanovski, M.D. is a hematology & oncology physician with a practice address in Fairfield, California, and NPI 1497877500, issued on Apr 6, 2007. Check the license (California A106347, 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
1497877500
Name
Yelena Krijanovski
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
A106347 CA
Self-reported in NPPES; status is on the state search
Practice location
2702 Low CT, Fairfield, CA 94534
Phone
(707) 427-4900
Enumerated
Apr 6, 2007
Record last updated
Nov 20, 2025
Fax
(707) 436-2509
Medicare enrollment
Enrolled (PECOS I20090403000335); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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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8 nearest hematology & oncology physician records → All 1,583 in California → Look up another NPI →

Also registered at 2702 Low CT

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

  1. Mina AfnanPhysician Assistant1023889672
  2. Kareen Caragan, P.T.Physical Therapist1750462982
  3. Charo Castro, PTAPhysical Therapy Assistant1881775013
  4. Lawrence Chan, M.D.Gastroenterology Physician1356558332
  5. Julie Chen, M.D.Ophthalmology Physician1740303064
  6. Martha Corcoran, M.D.Otolaryngology Physician1063487825

Verify Yelena Krijanovski in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A106347    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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99% more Medicare Part D claims than the average hematology & oncology physician in 2024

1,748 Medicare Part D claims for 278 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. 100 claims were for opioids.

  1. Yelena Krijanovski1,748
  2. Specialty average877

Most prescribed

  1. Anastrozole149 claims
  2. Prochlorperazine Maleate76 claims
  3. Abiraterone Acetate74 claims
  4. Levothyroxine Sodium74 claims
  5. Prednisone72 claims
  6. Letrozole67 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.

Industry payments in 2024: $4,764.90

4 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Yelena Krijanovski$4,764.90
  2. Specialty average$7,481.41

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Sutter Bay Medical FoundationBerkeley, CA

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

Yelena Krijanovski among 1,583 hematology & oncology physician records in California

Yelena Krijanovski, M.D. is one of 1,583 hematology & oncology physician records with a practice address in California. 83% 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 46% of them.

  • NPI issued2007 · 46% of these records are older, 40% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated1994 · median 2003 among the 1,124 with a school on file
  • Record last updated2025 · 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 207RH0003X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in California

There are 1,583 hematology & oncology physician records in California.

All 1,583 in California → Every provider in Fairfield → Hematology & Oncology Physician nationwide →

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Kanwaldeep Rasila, M.D.Fairfield, CA 945341649492166
  2. William Huang, MDTravis Afb, CA 945351821177569
  3. Jacob Kjelland, MDTravis Afb, CA 945351043604606
  4. Jonathan Lopez, MDFairfield, CA 945331881682714
  5. Vasyl Nesteryuk, DOTravis Afb, CA 945351851896732
  6. Joshua Romain, M.D.Travis Afb, CA 945351528447448
  7. Jiyon Choi, MDAntioch, CA 945311144437567
  8. John Ganey, MDAntioch, CA 945311215935713

Common questions

What is Yelena Krijanovski, M.D.'s NPI number?

Yelena Krijanovski, M.D.'s National Provider Identifier (NPI) is 1497877500, issued on Apr 6, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Yelena Krijanovski, M.D. located?

The NPPES record lists a practice address at 2702 Low CT, Fairfield, CA, 94534. Phone: (707) 427-4900. Providers update this record themselves, so call before visiting.

How can I verify Yelena Krijanovski, M.D.'s license?

NPPES lists California license number A106347, 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 Yelena Krijanovski, M.D. prescribe under Medicare Part D?

In 2024, Yelena Krijanovski, M.D. had 1,748 Medicare Part D claims for 278 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.