NPPES file of Aug 9, 2026

Janet Maldonado, M.D.

Dermatology Physician · Burlingame, CA

Janet Maldonado, M.D. is a dermatology physician with a practice address in Burlingame, California, and NPI 1518099977, issued on Mar 12, 2007. Check the license (California A89537, 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 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1518099977
Name
Janet Maldonado
Credential
M.D.
Primary taxonomy
Dermatology Physician 207N00000X
License number
A89537 CA
Self-reported in NPPES; status is on the state search
Practice location
1750 EL Camino Real, Burlingame, CA 94010
Phone
(650) 692-0182
Enumerated
Mar 12, 2007
Record last updated
Aug 30, 2011 (not updated in 15 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20081002000154); accepts Medicare assignment
Medical or professional school
Harvard Medical School, 2003
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 1750 EL Camino Real

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

  1. Katherine Aquino, O.D.Optometrist1770639825
  2. Lucy Asai, O.D.Optometrist1639225766
  3. Claudio Bet, MDFamily Medicine Physician1497821128
  4. William Bohannan, D.D.S., M.D.Oral and Maxillofacial Surgery (Dentist)1013077239
  5. Bruce Bulkin, D.P.M.Foot Surgery Podiatrist1316053127
  6. John Connolly, M.D.Urology Physician1174529309

Verify Janet Maldonado in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A89537
    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.

27% more Medicare Part D claims than the average dermatology physician in 2024

1,013 Medicare Part D claims for 326 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.

  1. Janet Maldonado1,013
  2. Specialty average797

Most prescribed

  1. Clobetasol Propionate189 claims
  2. Triamcinolone Acetonide106 claims
  3. Doxycycline Hyclate49 claims
  4. Ketoconazole42 claims
  5. Gabapentin38 claims
  6. Mupirocin37 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): 100 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. Qualitynot scored (reweighted)
  2. Costnot scored (reweighted)
  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).

Industry payments in 2024: $653.18

41 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. 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. Janet Maldonado$653.18
  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. Peninsula Dermatology Medical Group IncBurlingame, CA

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

Janet Maldonado among 2,083 dermatology physician records in California

Janet Maldonado, M.D. 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 2007, is newer than 44% of them.

  • NPI issued2007 · 44% of these records are older, 45% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2003 · median 2006 among the 1,450 with a school on file
  • Record last updated2011 · 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. Frederick Bartholomew, MDBurlingame, CA 940101457702383
  2. Karen Keller, MDBurlingame, CA 940101437157054
  3. Nikolajs Lapins, M.D.Burlingame, CA 940101346247228
  4. Lynn Sydor, MDBurlingame, CA 940101841209541
  5. Lana Tong, M.D., M.P.H.Burlingame, CA 940101386022176
  6. David Weinberg, MDHillsborough, CA 940101679566608
  7. Paul Hartman, M.D.Daly City, CA 940151255331161
  8. Michael Huie, M.D., PH.D.Half Moon Bay, CA 940191457417172

Common questions

What is Janet Maldonado, M.D.'s NPI number?

Janet Maldonado, M.D.'s National Provider Identifier (NPI) is 1518099977, issued on Mar 12, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Janet Maldonado, M.D. located?

The NPPES record lists a practice address at 1750 EL Camino Real, Burlingame, CA, 94010. Phone: (650) 692-0182. Providers update this record themselves, so call before visiting.

How can I verify Janet Maldonado, M.D.'s license?

NPPES lists California license number A89537, 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 Janet Maldonado, M.D. prescribe under Medicare Part D?

In 2024, Janet Maldonado, M.D. had 1,013 Medicare Part D claims for 326 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.

What is Janet Maldonado, M.D.'s MIPS final score?

The 2023 MIPS final score is 100 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.