Registry data as of Aug 27, 2026

Brennan Katz, D.O.

Pain Medicine (Anesthesiology) Physician · West Hollywood, CA

Brennan Katz, D.O. is a pain medicine (anesthesiology) physician with a practice address in West Hollywood, California, and NPI 1215148630, issued on May 25, 2007. Check the license (California 20A11212, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1215148630
Name
Brennan Katz
Credential
D.O.
Primary taxonomy
Pain Medicine (Anesthesiology) Physician 207LP2900X
License number
20A11212 CA
Self-reported in NPPES; status is on the state search
Practice location
8700 Beverly Blvd # SB, West Hollywood, CA 90048
Phone
(310) 423-5841
Enumerated
May 25, 2007
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.
Download card Updates feed

Also registered at 8700 Beverly Blvd # SB

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

  1. Brandon Chan, M.D.Anesthesiology Physician1881126589
  2. Laura Chang, MDAnesthesiology Physician1316171556
  3. Elena ChoPediatric Anesthesiology Physician1689934655
  4. Steven Heer, MDAnesthesiology Physician1891310934
  5. Hewenfei Li, M.D.Anesthesiology Physician1285165340
  6. Richard Newhart, MDAnesthesiology Physician1881198000

Verify Brennan Katz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A11212
    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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

Industry payments in 2024: $36.28

1 payment, mostly food and beverage; the largest payer was Pacira Pharmaceuticals Incorporated. The 2,789 providers of this specialty with any payment received $3,225.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Brennan Katz$36.28
  2. Specialty average$3,225.41

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

Bills Medicare through 2 group practices

  1. Cedars-Sinai Medical Care FoundationWest Hollywood, CA
  2. Pacific Valley Medical GroupPasadena, CA

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

Pain Medicine (Anesthesiology) Physician providers in California

There are 536 pain medicine (anesthesiology) physician records in California.

Other pain medicine (anesthesiology) physician records in California

  1. Shahram Abbassi, MDArcata, CA1396774139
  2. Alireza Abdollahi-FardFresno, CA1205161932
  3. Chris Abrecht, M.D.San Francisco, CA1013283837
  4. Deepak Agarwal, D.O M.P.H.Santa Barbara, CA1417342981
  5. Rishi Agarwal, M.D.Pasadena, CA1659634798
  6. Anuj Aggarwal, MDStanford, CA1659703288
  7. Charles Aguilar, M.D.Sacramento, CA1215331426
  8. Ricardo Aguirre, M.D.San Pedro, CA1831298389
  9. Farshad Ahadian, M.D.La Jolla, CA1205854247
  10. Patrick Ahern, MDIrvine, CA1154883072

Common questions

What is Brennan Katz, D.O.'s NPI number?

Brennan Katz, D.O.'s National Provider Identifier (NPI) is 1215148630, issued on May 25, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Brennan Katz, D.O. located?

The NPPES record lists a practice address at 8700 Beverly Blvd # SB, West Hollywood, CA, 90048. Phone: (310) 423-5841. Providers update this record themselves, so call before visiting.

How can I verify Brennan Katz, D.O.'s license?

NPPES lists California license number 20A11212, 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), loaded Aug 27, 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) 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 27, 2026.