NPPES file of Aug 9, 2026

Ognjen Katan, M.D.

Anesthesiology Physician · Santa Rosa, CA

Ognjen Katan, M.D. is an anesthesiology physician with a practice address in Santa Rosa, California, and NPI 1275875668, issued on Mar 23, 2013. Check the license (California A153761, 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
1275875668
Name
Ognjen Katan
Credential
M.D.
Primary taxonomy
Anesthesiology Physician 207L00000X
License numbers
A153761 CA
125062663 IL
Self-reported in NPPES; status is on the state search
Practice location
1165 Montgomery Dr, Santa Rosa, CA 95405
Phone
(707) 547-4608
Enumerated
Mar 23, 2013
Record last updated
Mar 28, 2023
Fax
(707) 547-4609
Medicare enrollment
Enrolled (PECOS I20180620003238); 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.
Download card Updates feed

Also registered at 1165 Montgomery Dr

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

  1. Maryam Aghighi, MDAnatomic Pathology & Clinical Pathology Physician1073074977
  2. Johnathan Agil, MDEmergency Medicine Physician1700413002
  3. Katherine Aldrich, NPAdult Health Nurse Practitioner1194995563
  4. Mujeeb Altaf, MBBS.,MRCP(UK)Hospitalist Physician1316125941
  5. Rebecca Althoff, RNFARegistered Nurse First Assistant1427119668
  6. Sanyogeeta Bhaway, M.D.Internal Medicine Physician1275828162

Verify Ognjen Katan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A153761
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Industry payments in 2024: $116.47

1 payment: food and beverage; the largest payer was Abbott Laboratories. The 17,774 providers of this specialty with any payment received $669.59 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ognjen Katan$116.47
  2. Specialty average$669.59

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

  1. Anesthesia And Analgesia Medical Group IncSanta Rosa, CA
  2. Providence Medical FoundationSanta Rosa, CA

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

Ognjen Katan among 7,571 anesthesiology physician records in California

Ognjen Katan, M.D. is one of 7,571 anesthesiology physician records with a practice address in California. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 73% of them.

  • NPI issued2013 · 73% of these records are older, 24% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2013 · median 2006 among the 4,868 with a school on file
  • Record last updated2023 · 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 207L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Anesthesiology Physician providers in California

There are 7,571 anesthesiology physician records in California.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Darin Brunson, MDSanta Rosa, CA 954051063462893
  2. Charles Demitz, MDSanta Rosa, CA 954051477502904
  3. Margaret Fanucchi, MDSanta Rosa, CA 954051093764532
  4. Dyke Finley, MDSanta Rosa, CA 954051861441305
  5. Blair Halliday, MDSanta Rosa, CA 954051154370690
  6. Brian Marsh, MDSanta Rosa, CA 954051588614598
  7. Margaret McEvoy, MDSanta Rosa, CA 954051255380978
  8. John Nimtz, MDSanta Rosa, CA 954051851341804

Common questions

What is Ognjen Katan, M.D.'s NPI number?

Ognjen Katan, M.D.'s National Provider Identifier (NPI) is 1275875668, issued on Mar 23, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Ognjen Katan, M.D. located?

The NPPES record lists a practice address at 1165 Montgomery Dr, Santa Rosa, CA, 95405. Phone: (707) 547-4608. Providers update this record themselves, so call before visiting.

How can I verify Ognjen Katan, M.D.'s license?

NPPES lists California license number A153761, 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.