NPPES file of Aug 9, 2026

Brian D. Brosnan, MD

Dermatology Physician · Panorama City, CA

Brian D. Brosnan, MD is a dermatology physician with a practice address in Panorama City, California, and NPI 1932299039, issued on Oct 13, 2006. Check the license (California A87446, 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
1932299039
Name
Brian D. Brosnan
Credential
MD
Primary taxonomy
Dermatology Physician 207N00000X
License number
A87446 CA
Self-reported in NPPES; status is on the state search
Practice location
13652 Cantara St, Panorama City, CA 91402
Phone
(818) 375-1720
Enumerated
Oct 13, 2006
Record last updated
Nov 29, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(818) 375-3575
Medicare enrollment
Enrolled (PECOS I20041026000650); accepts Medicare assignment
Medical or professional school
New York Medical College, 2000
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 13652 Cantara St

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

  1. Rebecca Aaronson, MDPediatrics Physician1487746814
  2. Jason Abber, MDUrology Physician1356366926
  3. Joseph Abouzeid, MDNeuromusculoskeletal Medicine & OMM Physician1518034495
  4. Kenneth Ackerman, MDInternal Medicine Physician1568521185
  5. Taha Ahmad, MDOccupational Medicine Physician1629126669
  6. Tarek Ahmed, MDInternal Medicine Physician1184783706

Verify Brian D. Brosnan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A87446
    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

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2.0 times the Medicare Part D claims of the average dermatology physician in 2024

1,608 Medicare Part D claims for 594 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.

  1. Brian Brosnan1,608
  2. Specialty average797

Most prescribed

  1. Clobetasol Propionate200 claims
  2. Betamethasone Diprop Augmented147 claims
  3. Fluorouracil137 claims
  4. Fluocinonide95 claims
  5. Tacrolimus93 claims
  6. Triamcinolone Acetonide88 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.

Industry payments in 2024: $246.03

3 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 10,250 providers of this specialty with any payment received $8,544.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Brian Brosnan$246.03
  2. Specialty average$8,544.61

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

Bills Medicare through one group practice

  1. Southern California Permanente Medical GroupPanorama City, CA

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

Brian D. Brosnan among 2,083 dermatology physician records in California

Brian D. Brosnan, MD is one of 2,083 dermatology 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. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 56% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2000 · median 2006 among the 1,450 with a school on file
  • Record last updated2021 · 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 207N00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Dermatology Physician providers in California

There are 2,083 dermatology physician records in California.

The 8 dermatology physician records with the nearest ZIP codes

  1. Jennifer Ang, M.D.Panorama City, CA 914021942592266
  2. Kesara Borirakchanyavat, MDPanorama City, CA 914021962580506
  3. Jonathan Carp, MDPanorama City, CA 914021922156843
  4. Nathalie De Guzman, FNP-BC, FNP-CPanorama City, CA 914021538911326
  5. Howard Fletcher, MDPanorama City, CA 914021619902087
  6. Nancy Jasso, MDPanorama City, CA 914021740357631
  7. Nandan Kamath, MDPanorama City, CA 914021922105634
  8. Adam ReesPanorama City, CA 914021568782100

Common questions

What is Brian D. Brosnan, MD's NPI number?

Brian D. Brosnan, MD's National Provider Identifier (NPI) is 1932299039, issued on Oct 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Brian D. Brosnan, MD located?

The NPPES record lists a practice address at 13652 Cantara St, Panorama City, CA, 91402. Phone: (818) 375-1720. Providers update this record themselves, so call before visiting.

How can I verify Brian D. Brosnan, MD's license?

NPPES lists California license number A87446, 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 Brian D. Brosnan, MD prescribe under Medicare Part D?

In 2024, Brian D. Brosnan, MD had 1,608 Medicare Part D claims for 594 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.

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.