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DENISE ENGRASSIA PA
NPI 1285739540
Physician Assistant in West Islip, NY

Active since September 13, 2006PECOS Enrolled
1000 MONTAUK HWY, WEST ISLIP, NY 11795(631) 376-3000 Get Directions Write a Review

NPPES record last updated: May 29, 2008. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Denise Engrassia Pa NPPES

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

DENISE ENGRASSIA PA (NPI 1285739540) is an individual physician assistant in West Islip, New York, licensed in New York (004832) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1285739540
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameDENISE ENGRASSIACredential: PA
Location Address1000 MONTAUK HWYWest Islip, NY 11795-4927
Mailing AddressPo Box 6010Hauppauge, NY 11788-9010 · (631) 232-4000 · Fax (631) 851-9225
Phone(631) 376-3000
Sole ProprietorNo
Enumeration DateSeptember 13, 2006
Last NPPES UpdateMay 29, 2008
✔ NPI 1285739540 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 · 004832
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.
1000 MONTAUK HWY, West Islip, NY 11795
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Other Identifiers 1

Medicare PIN0F8281NY

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Denise Engrassia Pa 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 11795 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 20

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

DR. ANTHONY NGUYEN MD
Obstetrics & Gynecology
1000 MONTAUK HWY
WEST ISLIP, NY 11795
Suffolk County (631) 376-4163
LAUREN MARIE CHOBAN DO
Emergency Medicine
1000 MONTAUK HWY
WEST ISLIP, NY 11795
Suffolk County (631) 376-3000
MISS MUNMUN AZIZ MD
Student in an Organized Health Care Education/Training Program
1000 MONTAUK HWY
WEST ISLIP, NY 11795
Suffolk County (929) 340-5665
TERENCE JAMES OMALLEY MD
Anesthesiology
1000 MONTAUK HWY, GOOD SAMARITAN HOSPITAL MEDICAL CENTER
WEST ISLIP, NY 11795
Suffolk County (631) 376-4088
PIOTR PAPUZINSKI MD
Internal Medicine
1000 MONTAUK HWY
WEST ISLIP, NY 11795
Suffolk County (631) 376-3000
LAURIE WATERS PA
Physician Assistant
1000 MONTAUK HWY
WEST ISLIP, NY 11795
Suffolk County (631) 376-3000
SHELLEY MATSON RN
Registered Nurse
1000 MONTAUK HWY
WEST ISLIP, NY 11795
Suffolk County (631) 376-3000
RIDDA MANZOOR MD
Student in an Organized Health Care Education/Training Program
1000 MONTAUK HWY
WEST ISLIP, NY 11795
Suffolk County (631) 376-4163

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 Denise Engrassia's NPI number?

The NPI number for Denise Engrassia is 1285739540. It was assigned to this individual provider in the NPPES registry on September 13, 2006.

Where is Denise Engrassia located?

Denise Engrassia practices at 1000 Montauk Hwy, West Islip, NY 11795. The listed phone number is (631) 376-3000.

What is Denise Engrassia's specialty?

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

Is Denise Engrassia enrolled in Medicare?

Yes. Denise Engrassia is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Denise Engrassia was last updated on May 29, 2008. NPI Profile syncs with the weekly NPPES data releases published by CMS.