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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

MS. JENNIFER CASTELLI P.A.
NPI 1184665374
Physician Assistant in East Setauket, NY

Active since June 09, 2006PECOS Enrolled
98.52/100
CMS Quality Rating
14 TECHNOLOGY DR, EAST SETAUKET, NY 11733(631) 444-4233 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Ms. Jennifer Castelli P.a. NPPES

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

MS. JENNIFER CASTELLI P.A. (NPI 1184665374) is an individual physician assistant in East Setauket, New York, licensed in New York (010399) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS, is affiliated with Suny/stony Brook University Hospital, and is a graduate of Other (2004).

NPPES Registry Identity

NPI1184665374
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMS. JENNIFER CASTELLICredential: P.A.
Location Address14 TECHNOLOGY DREast Setauket, NY 11733-3472
Mailing AddressPo Box 1559Stony Brook, NY 11790-0989 · (631) 444-4233
Phone(631) 444-4233
Sole ProprietorNo
Medical School CMSOtherGraduated 2004
Enumeration DateJune 9, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1184665374 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in NY · 010399
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
14 TECHNOLOGY DR, East Setauket, NY 11733
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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

Ms. Jennifer Castelli P.a. 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 ID749291730
PECOS Enrollment IDI20060504001000
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.

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.
39 services39 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.
29 services29 patients
Aspiration and/or injection of fluid from large joint 20610
This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.
16 services16 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.
16 services16 patients
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.
11 services11 patients

Hospital Affiliations CMS Care Compare

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

Suny/Stony Brook University Hospital

Acute Care Hospitals · Stony Brook, NY
4/5 CMS rating
OwnershipGovernment - State
CMS Certification Number330393
LocationHealth Sciences Center SunyStony Brook, NY 11794 · Suffolk County
Emergency services 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
$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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

98.52/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality82.85
Promoting Interoperability100
Improvement Activities40

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.

DR. NICHOLAS DIVARIS
Orthopaedic Surgery (Orthopaedic Trauma)
14 TECHNOLOGY DR
EAST SETAUKET, NY 11733
Suffolk County (631) 444-4233
DR. JAMES NICHOLSON M.D.
Orthopaedic Surgery (Adult Reconstructive Orthopaedic Surgery)
14 TECHNOLOGY DR
EAST SETAUKET, NY 11733
Suffolk County (631) 444-4233
MARIA JOANA RIZZA RELEVO ROSAS PA-C
Physician Assistant
14 TECHNOLOGY DR, SUITE 11, 12, 15
EAST SETAUKET, NY 11733
Suffolk County (631) 444-4233
NARDEEN MICKAIL MD
Internal Medicine
14 TECHNOLOGY DR, SUITE 10
EAST SETAUKET, NY 11733
Suffolk County (631) 689-5400
MEGAN CARROLL PAULUS M.D.
Orthopaedic Surgery (Foot and Ankle Surgery)
14 TECHNOLOGY DR, SUITE 11
EAST SETAUKET, NY 11733
Suffolk County (631) 444-4233
DR. STEPHEN KOTTMEIER M.D.
Orthopaedic Surgery (Sports Medicine)
14 TECHNOLOGY DR
EAST SETAUKET, NY 11733
Suffolk County (631) 444-4233
DR. STEVEN SAMPSON M.D.
Orthopaedic Surgery
14 TECHNOLOGY DR
EAST SETAUKET, NY 11733
Suffolk County (631) 444-4233
DR. JONATHAN ADAM KROHN M.D.
Internal Medicine (Infectious Disease)
14 TECHNOLOGY DR, SUITE 10
EAST SETAUKET, NY 11733
Suffolk County (631) 689-5400

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 Jennifer Castelli's NPI number?

The NPI number for Jennifer Castelli is 1184665374. It was assigned to this individual provider in the NPPES registry on June 9, 2006.

Where is Jennifer Castelli located?

Jennifer Castelli practices at 14 Technology Dr, East Setauket, NY 11733. The listed phone number is (631) 444-4233.

What is Jennifer Castelli's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Jennifer Castelli enrolled in Medicare?

Yes. Jennifer Castelli 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 Jennifer Castelli affiliated with any hospitals?

According to CMS data, Jennifer Castelli is affiliated with Suny/Stony Brook University Hospital.

When was this NPI record last updated?

The NPPES record for Jennifer Castelli was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.