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DR. WILLIAM JOHN JUDE ENGELLENNER M.D.
NPI 1659363364
Pathology - Anatomic Pathology & Clinical Pathology in West Islip, NY

Active since August 18, 2005PECOS EnrolledAccepts Medicare Assignment
92.63/100
CMS Quality Rating
1000 MONTAUK HWY, WEST ISLIP, NY 11795(631) 376-3000 Get Directions Write a Review

NPPES record last updated: September 12, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. William John Jude Engellenner M.d. NPPES

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

DR. WILLIAM JOHN JUDE ENGELLENNER M.D. (NPI 1659363364) is an individual anatomic pathology & clinical pathology provider in West Islip, New York, licensed in New York (182397) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS and is a graduate of State University Of New York At Stony Brook, School Of Medicine (1986).

NPPES Registry Identity

NPI1659363364
Entity TypeIndividualMale
Primary Taxonomy207ZP0102X
Provider Legal NameDR. WILLIAM JOHN JUDE ENGELLENNERCredential: M.D.
Location Address1000 MONTAUK HWYWest Islip, NY 11795-4927
Mailing Address4567 Crossroads Park Dr, 2nd FloorLiverpool, NY 13088-3589 · (315) 295-2100 · Fax (315) 295-2125
Phone(631) 376-3000
Sole ProprietorNo
Medical School CMSState University Of New York At Stony Brook, School Of MedicineGraduated 1986
Enumeration DateAugust 18, 2005
Last NPPES UpdateSeptember 12, 2007
✔ NPI 1659363364 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
License✔ Licensed in NY · 182397
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
1000 MONTAUK HWY, West Islip, NY 11795
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Other Identifiers 6

Medicare PIN51R371NY
Medicare PIN60H361NY
Medicare PIN51R361NY
Medicare PIN51R362NY
Medicare PIN51R363NY
Medicare UPINF54510NY

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

Dr. William John Jude Engellenner M.d. 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 ID1951330901
PECOS Enrollment IDI20110114000778
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
$154.28 typical visit price
range $67.40 – $203.53
Typical copayment $38.57 (range $16.85 – $50.88)
Most-billed visit code 99204
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.

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.

92.63/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality94.94
Improvement Activities40
Cost79.7

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 William Engellenner's NPI number?

The NPI number for William Engellenner is 1659363364. It was assigned to this individual provider in the NPPES registry on August 18, 2005.

Where is William Engellenner located?

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

What is William Engellenner's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Is William Engellenner enrolled in Medicare?

Yes. William Engellenner 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 William Engellenner was last updated on September 12, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.