Claire E. Brown, M.D.
Infectious Disease Physician · Los Angeles, CA
Claire E. Brown, M.D. is an infectious disease physician with a practice address in Los Angeles, California, and NPI 1497970586, issued on Apr 16, 2007. Check the license (California C145213, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Claire E. Brown
- Credential
- M.D.
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- C145213 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1399 Roxbury Dr Ste 100, Los Angeles, CA 90035
- Phone
- (310) 557-2273
- Enumerated
- Apr 16, 2007
- Record last updated
- Aug 26, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (310) 557-3450
- Medicare enrollment
- Enrolled (PECOS I20170215003249); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 1,119 in California → Look up another NPI →
Also registered at 1399 Roxbury Dr Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Debika Bhattacharya, MDInfectious Disease Physician1316937014
- Mary Cambou, M.D.Infectious Disease Physician1174901219
- Kara Chew, M.D.Infectious Disease Physician1013116557
- Stefanie Uechi, RN, MSN, FNP-BCFamily Nurse Practitioner1114355096
Verify Claire E. Brown in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C145213Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average infectious disease physician in 2024
195 Medicare Part D claims for 36 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Azithromycin17 claims
- Ethambutol Hcl15 claims
- Rifampin15 claims
- Biktarvy14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- 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).
Claire E. Brown among 1,119 infectious disease physician records in California
Claire E. Brown, M.D. 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 2007, is newer than 46% of them.
- NPI issued2007 · 46% of these records are older, 41% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2003 · median 2003 among the 735 with a school on file
- Record last updated2019 · 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.
All 1,119 in California → Every provider in Los Angeles → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Debika Bhattacharya, MDLos Angeles, CA 900351316937014
- Mary Cambou, M.D.Los Angeles, CA 900351174901219
- Margrit Carlson, MDLos Angeles, CA 900351497780878
- Kara Chew, M.D.Los Angeles, CA 900351013116557
- Raphael Landovitz, MDLos Angeles, CA 900351033153028
- Ardis Moe, MDLos Angeles, CA 900351851408876
- Bor-Han Chiu, D.O.Los Angeles, CA 900341306239470
- Jay Gladstein, M.D.Los Angeles, CA 900361154428613
Common questions
What is Claire E. Brown, M.D.'s NPI number?
Claire E. Brown, M.D.'s National Provider Identifier (NPI) is 1497970586, issued on Apr 16, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Claire E. Brown, M.D. located?
The NPPES record lists a practice address at 1399 Roxbury Dr Ste 100, Los Angeles, CA, 90035. Phone: (310) 557-2273. Providers update this record themselves, so call before visiting.
How can I verify Claire E. Brown, M.D.'s license?
NPPES lists California license number C145213, 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.
How much does Claire E. Brown, M.D. prescribe under Medicare Part D?
In 2024, Claire E. Brown, M.D. had 195 Medicare Part D claims for 36 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.
What is Claire E. Brown, M.D.'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.