NPPES file of Aug 9, 2026

Timothy Brewer, MD

Infectious Disease Physician · Los Angeles, CA

Timothy Brewer, MD is an infectious disease physician with a practice address in Los Angeles, California, and NPI 1174523245, issued on Jul 29, 2005. Check the license (California G89333, 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 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1174523245
Name
Timothy Brewer
Credential
MD
Primary taxonomy
Infectious Disease Physician 207RI0200X
License number
G89333 CA
Self-reported in NPPES; status is on the state search
Practice location
200 Ucla Medical Plz Ste 365C, Los Angeles, CA 90095
Phone
(310) 206-7663
Enumerated
Jul 29, 2005
Record last updated
Jan 7, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(310) 794-6553
Medicare enrollment
Enrolled (PECOS I20130906000098); accepts Medicare assignment
Medical or professional school
New York Medical College, 1985
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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Also registered at 200 Ucla Medical Plz Ste 365C

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

  1. Paul Adamson, MD, MPHInfectious Disease Physician1639558455
  2. Oladunni Adeyiga, MDInfectious Disease Physician1801809751
  3. Pryce Gaynor, M.D.Infectious Disease Physician1972916955
  4. Jonathan Herman, M.D. PH.D.Infectious Disease Physician1104289586
  5. Seth Judson, MDInfectious Disease Physician1922560408
  6. Suzanne Kafaja, M.D.Rheumatology Physician1962684423

Verify Timothy Brewer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G89333
    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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The practice group's MIPS final score for 2023 (Medicare payment program): 86.1 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score82.9
  2. Costout of 100 · 30%66.7
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. The Regents OF The University OF CaliforniaSanta Monica, CA

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

Timothy Brewer among 1,119 infectious disease physician records in California

Timothy Brewer, MD is one of 1,119 infectious disease physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 96% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated1985 · median 2003 among the 735 with a school on file
  • Record last updated2020 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Infectious Disease Physician providers in California

There are 1,119 infectious disease physician records in California.

The 8 infectious disease physician records with the nearest ZIP codes

  1. Oladunni Adeyiga, MDLos Angeles, CA 900951801809751
  2. Judith Currier, MDLos Angeles, CA 900951508882614
  3. Milan Fiala, MDLos Angeles, CA 900951730270737
  4. Aric Gregson, MDLos Angeles, CA 900951588683007
  5. Bernard Kubak, MDLos Angeles, CA 900951831118876
  6. Michael Lovett, MDLos Angeles, CA 900951053330902
  7. Glenn Mathisen, MDLos Angeles, CA 900951376564948
  8. Claire Panosian, MDLos Angeles, CA 900951114947892

Common questions

What is Timothy Brewer, MD's NPI number?

Timothy Brewer, MD's National Provider Identifier (NPI) is 1174523245, issued on Jul 29, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Timothy Brewer, MD located?

The NPPES record lists a practice address at 200 Ucla Medical Plz Ste 365C, Los Angeles, CA, 90095. Phone: (310) 206-7663. Providers update this record themselves, so call before visiting.

How can I verify Timothy Brewer, MD's license?

NPPES lists California license number G89333, 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.

What is Timothy Brewer, MD's MIPS final score?

The 2023 MIPS final score is 86.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.