NPPES file of Aug 9, 2026

Marek Bozdech, M.D.

Hematology & Oncology Physician · Santa Rosa, CA

Marek Bozdech, M.D. is a hematology & oncology physician with a practice address in Santa Rosa, California, and NPI 1679590509, issued on Jul 16, 2006. Check the license (California G29386, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1679590509
Name
Marek Bozdech
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
G29386 CA
Self-reported in NPPES; status is on the state search
Practice location
121 Sotoyome St, Santa Rosa, CA 95405
Phone
(707) 546-4062
Enumerated
Jul 16, 2006
Record last updated
Feb 17, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(707) 525-4071
Medicaid ID
00G293860 CA
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 121 Sotoyome St

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

  1. Susan Bishop, N.P.Nurse Practitioner1588744353
  2. Melissa Bitanga, MGC, CGCGenetic Counselor (M.S.)1427640465
  3. Scott Booth, M.D.Diagnostic Radiology Physician1841237666
  4. Brendan Bottari, M.D.Diagnostic Radiology Physician1174611107
  5. Michael Caccavale, MDVascular & Interventional Radiology Physician1518164425
  6. Cheryl Caletti, N.P.Nurse Practitioner1487733069

Verify Marek Bozdech in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G29386
    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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Marek Bozdech among 1,583 hematology & oncology physician records in California

Marek Bozdech, 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 not. Its NPI, issued in 2006, is newer than 8% of them.

  • NPI issued2006 · 8% of these records are older, 54% newer
  • In a Medicare fileNo · 83% of these records are
  • In the CMS Doctors and Clinicians fileNo · 71% of these records are
  • Record last updated2015 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

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

  1. Helen Collins, M.D.Santa Rosa, CA 954051326060617
  2. Nicolaj Andersen, MDSanta Rosa, CA 954031659455640
  3. Ian Anderson, M.D.Santa Rosa, CA 954031518055573
  4. Peter Brett, M.D.Santa Rosa, CA 954031487743472
  5. Justin Grenet, MDSanta Rosa, CA 954031770102915
  6. Jarrod Holmes, MDSanta Rosa, CA 954031013018035
  7. Christine Kaiser, M.D.Santa Rosa, CA 954031023192267
  8. Zeyad Kanaan, M.D.Santa Rosa, CA 954031144412560

Common questions

What is Marek Bozdech, M.D.'s NPI number?

Marek Bozdech, M.D.'s National Provider Identifier (NPI) is 1679590509, issued on Jul 16, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Marek Bozdech, M.D. located?

The NPPES record lists a practice address at 121 Sotoyome St, Santa Rosa, CA, 95405. Phone: (707) 546-4062. Providers update this record themselves, so call before visiting.

How can I verify Marek Bozdech, M.D.'s license?

NPPES lists California license number G29386, 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. 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.