ALYSSA MARIANNA BRENNAN
NPI 1487254090
Dermatology in Commack, NY

Active since November 01, 2020PECOS Enrolled
353 VETERANS MEMORIAL HWY STE 101, COMMACK, NY 11725(631) 543-4888 Get Directions Write a Review

NPPES record last updated: November 1, 2020. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Alyssa Marianna Brennan NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ALYSSA MARIANNA BRENNAN (NPI 1487254090) is an individual dermatology provider in Commack, New York, licensed in New York (025626) and active in the NPI registry since November 2020. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1487254090
Entity TypeIndividualFemale
Primary Taxonomy207N00000X
Provider Legal NameALYSSA MARIANNA BRENNAN
Location Address353 VETERANS MEMORIAL HWY STE 101Commack, NY 11725-4200
Mailing Address14 Harness RdSaint James, NY 11780-1600 · (631) 521-3377
Sole ProprietorNo
Enumeration DateNovember 1, 2020
NPPES CertifiedNovember 1, 2020
NPI 1487254090 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians
Taxonomy Code207N00000X
License Licensed in NY · 025626
Definition
A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.
353 VETERANS MEMORIAL HWY STE 101, Commack, NY 11725

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Alyssa Marianna Brennan is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11725 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$105.06 typical visit price
range $67.40 – $203.53
Typical copayment $26.26 (range $16.85 – $50.88)
Most-billed visit code 99203
Established Patient
$83.44 typical visit price
range $21.66 – $164.45
Typical copayment $20.86 (range $5.41 – $41.11)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physician Assistant
353 VETERANS MEMORIAL HWY STE 101
COMMACK, NY 11725
Dermatology (MOHS-Micrographic Surgery)
353 VETERANS MEMORIAL HWY STE 101
COMMACK, NY 11725

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Alyssa Brennan's NPI number?

The NPI number for Alyssa Brennan is 1487254090. It was assigned to this individual provider in the NPPES registry on November 1, 2020.

Where is Alyssa Brennan located?

Alyssa Brennan practices at 353 Veterans Memorial Hwy Ste 101, Commack, NY 11725. The listed phone number is (631) 543-4888.

What is Alyssa Brennan's specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

Is Alyssa Brennan enrolled in Medicare?

Yes. Alyssa Brennan is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Alyssa Brennan was last updated on November 1, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.