NPPES file of Aug 9, 2026

Vladislav Chizhevsky, M.D.

Hematology (Pathology) Physician · Aliso Viejo, CA

Vladislav Chizhevsky, M.D. is a hematology (pathology) physician with a practice address in Aliso Viejo, California, and NPI 1952689242, issued on Aug 3, 2011. Check the license (California A90023, 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
1952689242
Name
Vladislav Chizhevsky
Credential
M.D.
Primary taxonomy
Hematology (Pathology) Physician 207ZH0000X
License number
A90023 CA
Self-reported in NPPES; status is on the state search
Practice location
31 Columbia, Aliso Viejo, CA 92656
Phone
(949) 425-5754
Enumerated
Aug 3, 2011
Record last updated
Sep 11, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(949) 425-5865
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 31 Columbia

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

  1. Renuka Agrawal, M.D.Anatomic Pathology & Clinical Pathology Physician1174733059
  2. Kenneth Bloom, M.D.Anatomic Pathology Physician1023399177
  3. Sing-Tsung Chen, M.D., PH.D.Hematology (Pathology) Physician1508980137
  4. George Csathy, M.D.Anatomic Pathology & Clinical Pathology Physician1740402841
  5. Anselm Hii, M.D.Hematology (Pathology) Physician1124057393
  6. Jennifer Hummel, M.D.Molecular Genetic Pathology (Pathology) Physician1942496609

Verify Vladislav Chizhevsky in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A90023
    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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Industry payments in 2024: $31,147.64

28 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 72 providers of this specialty with any payment received $4,540.82 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Vladislav Chizhevsky$31,148
  2. Specialty average$4,541

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

Vladislav Chizhevsky among 65 hematology (pathology) physician records in California

Vladislav Chizhevsky, M.D. is one of 65 hematology (pathology) physician records with a practice address in California. 52% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 77% of them.

  • NPI issued2011 · 77% of these records are older, 18% newer
  • In a Medicare fileYes · 52% of these records are
  • In the CMS Doctors and Clinicians fileNo · 45% of these records are
  • Record last updated2017 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZH0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology (Pathology) Physician providers in California

There are 65 hematology (pathology) physician records in California.

The 8 hematology (pathology) physician records with the nearest ZIP codes

  1. Sing-Tsung Chen, M.D., PH.D.Aliso Viejo, CA 926561508980137
  2. Anselm Hii, M.D.Aliso Viejo, CA 926561124057393
  3. Gerald Hanson, M.D.Huntington Beach, CA 926461770545287
  4. Michael Van Ness, M.D.San Juan Capistrano, CA 926751336450113
  5. Sally Agersborg, M.D., PH.D.Irvine, CA 926181053505743
  6. Wayne Chen, MD PHDIrvine, CA 926121417171505
  7. Changjun Yue, M.D., PH.D.Irvine, CA 926121942424536
  8. Genevieve Crane, M.D., PH.D.Orange, CA 928681982833257

Common questions

What is Vladislav Chizhevsky, M.D.'s NPI number?

Vladislav Chizhevsky, M.D.'s National Provider Identifier (NPI) is 1952689242, issued on Aug 3, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Vladislav Chizhevsky, M.D. located?

The NPPES record lists a practice address at 31 Columbia, Aliso Viejo, CA, 92656. Phone: (949) 425-5754. Providers update this record themselves, so call before visiting.

How can I verify Vladislav Chizhevsky, M.D.'s license?

NPPES lists California license number A90023, 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.

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.