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MRS. ALYSSA CAHILL
NPI 1679240063
Nurse Practitioner - Acute Care in Roslyn, NY

Active since August 24, 2021PECOS EnrolledAccepts Medicare Assignment
100 PORT WASHINGTON BLVD, ROSLYN, NY 11576(516) 562-6000 Get Directions Write a Review

NPPES record last updated: August 24, 2021. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Mrs. Alyssa Cahill NPPES

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

MRS. ALYSSA CAHILL (NPI 1679240063) is an individual acute care provider in Roslyn, New York, licensed in New York (432091) and active in the NPI registry since August 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1679240063
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameMRS. ALYSSA CAHILL
Location Address100 PORT WASHINGTON BLVDRoslyn, NY 11576-1347
Mailing Address1556 Oxford RdWantagh, NY 11793-2446 · (516) 508-2322
Phone(516) 562-6000
Sole ProprietorYes
Medical School CMSOtherGraduated 2021
Enumeration DateAugust 24, 2021
NPPES CertifiedAugust 24, 2021
✔ NPI 1679240063 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in NY · 432091
100 PORT WASHINGTON BLVD, Roslyn, NY 11576
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mrs. Alyssa Cahill is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7719363050
PECOS Enrollment IDI20221010002793
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 11576 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
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
Most-billed visit code 99214
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 20

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

ERIN MARIE MARKEY R.N.,M.S.,APRN-BC
Nurse Practitioner (Acute Care)
100 PORT WASHINGTON BLVD
ROSLYN, NY 11576
Nassau County (516) 562-6351
DR. MENA YACOUB D.O
Internal Medicine (Clinical Cardiac Electrophysiology)
100 PORT WASHINGTON BLVD
ROSLYN, NY 11576
Nassau County (718) 689-0316
JULIA COHEN
Physician Assistant
100 PORT WASHINGTON BLVD
ROSLYN, NY 11576
Nassau County (516) 562-6000
PEDIATRIC CARDIOLOGY OF LI PC
Pediatrics (Pediatric Cardiology)
100 PORT WASHINGTON BLVD, SUITE 108
ROSLYN, NY 11576
Nassau County (516) 365-3340
PATRICK BRENNAN P.A.
Physician Assistant
100 PORT WASHINGTON BLVD
ROSLYN, NY 11576
Nassau County (516) 338-5358
KENNETH ZIELINSKI P.A.
Physician Assistant
100 PORT WASHINGTON BLVD
ROSLYN, NY 11576
Nassau County (516) 338-5358
DR. STEFAN MILTON MUEHLBAUER M.D., PHD
Emergency Medicine
100 PORT WASHINGTON BLVD, DEPT OF EMERGENCY MEDICINE
ROSLYN, NY 11576
Nassau County (165) 626-6055
MRS. MELISSA A MORELLI FNP-C
Nurse Practitioner (Family)
100 PORT WASHINGTON BLVD, ST. FRANCIS HOSPITAL EMERGENCY ROOM
ROSLYN, NY 11576
Nassau County (516) 562-6600

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 Cahill's NPI number?

The NPI number for Alyssa Cahill is 1679240063. It was assigned to this individual provider in the NPPES registry on August 24, 2021.

Where is Alyssa Cahill located?

Alyssa Cahill practices at 100 Port Washington Blvd, Roslyn, NY 11576. The listed phone number is (516) 562-6000.

What is Alyssa Cahill's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Alyssa Cahill enrolled in Medicare?

Yes. Alyssa Cahill is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Alyssa Cahill was last updated on August 24, 2021. 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.