ALYSSA LYNN ALLEN FNP-BC
NPI 1205554375
Nurse Practitioner - Family in Setauket, NY

Active since August 16, 2022PECOS EnrolledAccepts Medicare Assignment
3400 NESCONSET HWY STE 101, SETAUKET, NY 11733(631) 751-8700 Get Directions Write a Review

NPPES record last updated: August 16, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Alyssa Lynn Allen Fnp-bc NPPES

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

ALYSSA LYNN ALLEN FNP-BC (NPI 1205554375) is an individual family provider in Setauket, New York, licensed in New York (350157) and active in the NPI registry since August 2022. She is enrolled in Medicare PECOS, is affiliated with North Shore University Hospital, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1205554375
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameALYSSA LYNN ALLENCredential: FNP-BC
Location Address3400 NESCONSET HWY STE 101Setauket, NY 11733-3327
Mailing Address3400 Nesconset Hwy Ste 101Setauket, NY 11733-3327 · (631) 751-8700
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateAugust 16, 2022
NPPES CertifiedJuly 10, 2022
NPI 1205554375 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in NY · 350157
Also ListedRegistered NurseTaxonomy 163W00000X · License 734318-01 (NY)
3400 NESCONSET HWY STE 101, Setauket, NY 11733

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

Alyssa Lynn Allen Fnp-bc 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 ID3173984671
PECOS Enrollment IDI20230801000200
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.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
67 services65 patients
Stool analysis for blood, by peroxidase activity 82272
A stool analysis for blood, by peroxidase activity, is a test to detect blood in your stool. This test helps identify bleeding in the digestive tract. It involves collecting a stool sample, which is then checked for the presence of blood using a chemical reaction.
59 services58 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
43 services43 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
38 services38 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
35 services35 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

North Shore University Hospital

Acute Care Hospitals · Manhasset, NY
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330106
Location300 Community DriveManhasset, NY 11030 · Nassau County
Emergency services Birthing friendly

John T Mather Memorial Hospital Of Port Jefferson

Acute Care Hospitals · Port Jefferson, NY
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330185
Location75 North Country RoadPort Jefferson, NY 11777 · Suffolk County
Emergency services

St Charles Hospital

Acute Care Hospitals · Port Jefferson, NY
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number330246
Location200 Belle Terre RoadPort Jefferson, NY 11777 · Suffolk County
Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11733 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 5

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

Internal Medicine (Gastroenterology)
3400 NESCONSET HWY STE 101
EAST SETAUKET, NY 11733
Clinic/Center (Ambulatory Surgical)
3400 NESCONSET HWY STE 101
SETAUKET, NY 11733
Internal Medicine (Gastroenterology)
3400 NESCONSET HWY STE 101
EAST SETAUKET, NY 11733
Internal Medicine (Gastroenterology)
3400 NESCONSET HWY STE 101
EAST SETAUKET, NY 11733
Nurse Practitioner (Family)
3400 NESCONSET HWY STE 101
EAST SETAUKET, NY 11733

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 Allen's NPI number?

The NPI number for Alyssa Allen is 1205554375. It was assigned to this individual provider in the NPPES registry on August 16, 2022.

Where is Alyssa Allen located?

Alyssa Allen practices at 3400 Nesconset Hwy Ste 101, Setauket, NY 11733. The listed phone number is (631) 751-8700.

What is Alyssa Allen's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Alyssa Allen enrolled in Medicare?

Yes. Alyssa Allen 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.

Is Alyssa Allen affiliated with any hospitals?

According to CMS data, Alyssa Allen is affiliated with North Shore University Hospital, John T Mather Memorial Hospital Of Port Jefferson and St Charles Hospital.

When was this NPI record last updated?

The NPPES record for Alyssa Allen was last updated on August 16, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.