Alyssa Marianna Brennan
Dermatology Physician · Commack, NY
Alyssa Marianna Brennan is a dermatology physician with a practice address in Commack, New York, and NPI 1487254090, issued on Nov 1, 2020. Check the license (New York 025626, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Alyssa Marianna Brennan
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- 025626 NY
Self-reported in NPPES; status is on the state search - Practice location
- 353 Veterans Memorial Hwy Ste 101, Commack, NY 11725
- Phone
- (631) 543-4888
- Enumerated
- Nov 1, 2020
- Record last updated
- Nov 1, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 1,211 in New York → Look up another NPI →
Also registered at 353 Veterans Memorial Hwy Ste 101
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alyssa Kerr, PA-CPhysician Assistant1801500418
- Kalee Shah, MDMOHS-Micrographic Surgery Physician1922530443
Verify Alyssa Marianna Brennan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 025626Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39% fewer Medicare Part D claims than the average dermatology physician in 2024
485 Medicare Part D claims for 233 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Triamcinolone Acetonide72 claims
- Clobetasol Propionate44 claims
- Mupirocin44 claims
- Hydrocortisone39 claims
- Ketoconazole28 claims
- Ammonium Lactate25 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: $2,517.85
94 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Alyssa Marianna Brennan among 1,211 dermatology physician records in New York
Alyssa Marianna Brennan is one of 1,211 dermatology physician records with a practice address in New York. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 91% of them.
- NPI issued2020 · 91% of these records are older, 6% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileNo · 73% of these records are
- Record last updated2020 · 61% 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 New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in New York
There are 1,211 dermatology physician records in New York.
All 1,211 in New York → Every provider in Commack → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Gary Hahn, M.D.Commack, NY 117251336122985
- Charisse McCall, D.O.Commack, NY 117251073802450
- Regina Yavel, M.D.Commack, NY 117251871529016
- Ronny Herskovits, MDDeer Park, NY 117291851463145
- Richard Clark, M.D.East Setauket, NY 117331700825429
- Tara Kaufmann, M.D.East Setauket, NY 117331811994627
- Robert Levine, DOEast Setauket, NY 117331700837234
- Daniel Lozeau, MDE Setauket, NY 117331598081721
Common questions
What is Alyssa Marianna Brennan's NPI number?
Alyssa Marianna Brennan's National Provider Identifier (NPI) is 1487254090, issued on Nov 1, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Alyssa Marianna Brennan located?
The NPPES record lists a practice address at 353 Veterans Memorial Hwy Ste 101, Commack, NY, 11725. Phone: (631) 543-4888. Providers update this record themselves, so call before visiting.
How can I verify Alyssa Marianna Brennan's license?
NPPES lists New York license number 025626, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Alyssa Marianna Brennan prescribe under Medicare Part D?
In 2024, Alyssa Marianna Brennan had 485 Medicare Part D claims for 233 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.