NPPES file of Aug 9, 2026

Allene Fonseca

Dermatology Physician · Orange, CA

Allene Fonseca is a dermatology physician with a practice address in Orange, California, and NPI 1487008025, issued on Apr 20, 2016. Check the license (California A150457, 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
1487008025
Name
Allene Fonseca
Primary taxonomy
Dermatology Physician 207N00000X
License numbers
A150457 CA
4351050138 MI
Self-reported in NPPES; status is on the state search
Practice location
101 The City Dr S, Orange, CA 92868
Phone
(714) 456-8888
Enumerated
Apr 20, 2016
Record last updated
Nov 21, 2025
Medicare enrollment
Enrolled (PECOS I20251208003157); 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 101 The City Dr S

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

  1. Danny Abad, PAPhysician Assistant1477158673
  2. Edward AbaradoStudent in an Organized Health Care Education/Training Program1912855198
  3. Nagina Abdiani, DOGeriatric Medicine (Family Medicine) Physician1518543271
  4. Mariam Abdul-Latif, M.D.Pediatrics Physician1538418884
  5. Eric AbelloOtolaryngology Physician1922566215
  6. Brandon Abeyta, MDAnesthesiology Physician1841291804

Verify Allene Fonseca in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A150457
    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.

50% fewer Medicare Part D claims than the average dermatology physician in 2024

399 Medicare Part D claims for 71 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.

  1. Allene Fonseca399
  2. Specialty average797

Most prescribed

  1. Ammonium Lactate55 claims
  2. Betamethasone Dipropionate53 claims
  3. Triamcinolone Acetonide40 claims
  4. Hydrocortisone29 claims
  5. Clindamycin Phosphate28 claims
  6. Ketoconazole26 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: $1,394.00

32 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. 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. Allene Fonseca$1,394.00
  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. Uci Department OF DermatologyOrange, CA

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

Allene Fonseca among 2,083 dermatology physician records in California

Allene Fonseca 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 2016, is newer than 80% of them.

  • NPI issued2016 · 80% of these records are older, 17% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2016 · median 2006 among the 1,450 with a school on file
  • Record last updated2025 · 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. Elizabeth Cavalier, M.D.Orange, CA 928681932373701
  2. Andrew Creadore, MDOrange, CA 928681477139327
  3. Brooke Cui, MDOrange, CA 928681649706441
  4. Xiying Fan, MD, PHDOrange, CA 928681447811104
  5. Anand Ganesan, MDOrange, CA 928681104895580
  6. Shilpa GhatnekarOrange, CA 928681972184497
  7. Rachel GilmoreOrange, CA 928681467956607
  8. Heidi Goodarzi, M.D.Orange, CA 928681386849958

Common questions

What is Allene Fonseca's NPI number?

Allene Fonseca's National Provider Identifier (NPI) is 1487008025, issued on Apr 20, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Allene Fonseca located?

The NPPES record lists a practice address at 101 The City Dr S, Orange, CA, 92868. Phone: (714) 456-8888. Providers update this record themselves, so call before visiting.

How can I verify Allene Fonseca's license?

NPPES lists California license number A150457, 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 Allene Fonseca prescribe under Medicare Part D?

In 2024, Allene Fonseca had 399 Medicare Part D claims for 71 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.