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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

NOEL A D'SILVA M.D.
NPI 1639132665
Internal Medicine - Gastroenterology in West Islip, NY

Active since April 10, 2006PECOS Enrolled
1175 MONTAUK HWY, SUITE 3, WEST ISLIP, NY 11795(631) 669-1171(631) 669-1912 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 13, 2026, Dec 30, 2019 (2 updates tracked since 2019).

About Noel A D'silva M.d. NPPES

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

NOEL A D'SILVA M.D. (NPI 1639132665) is an individual gastroenterology provider in West Islip, New York, licensed in New York (179727) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1639132665
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameNOEL A D'SILVACredential: M.D.
Location Address1175 MONTAUK HWY, SUITE 3West Islip, NY 11795-4939
Mailing Address1111 Montauk Hwy, Fl 33West Islip, NY 11795-4910 · (631) 669-1171 · Fax (631) 669-1912
Phone(631) 669-1171
Fax(631) 669-1912
Sole ProprietorNo
Enumeration DateApril 10, 2006
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
NPPES CertifiedDecember 30, 2019
✔ NPI 1639132665 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in NY · 179727
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
1175 MONTAUK HWY, West Islip, NY 11795
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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 (PECOS)

Noel A D'silva M.d. 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
$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.

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.

PINNACLE PHYSICAL MEDICINE AND REHABILITATION, PC
Physical Medicine & Rehabilitation
1175 MONTAUK HWY, SUITE 6
WEST ISLIP, NY 11795
Suffolk County (631) 422-5371
DR. NITIN RAJKUMAR MARIWALLA MD, MPH, MS
Neurological Surgery
1175 MONTAUK HWY, STE 3
WEST ISLIP, NY 11795
Suffolk County (631) 500-9400
MRS. ANDREA JO GIBBONS R.P.A.-C.
Physician Assistant
1175 MONTAUK HWY, SUITE 4
WEST ISLIP, NY 11795
Suffolk County (631) 422-9600
DR. RAJKUMAR G MARIWALLA M.D.
Internal Medicine (Gastroenterology)
1175 MONTAUK HWY, SUITE #3
WEST ISLIP, NY 11795
Suffolk County (631) 669-1171
TRUE NORTH MEDICAL OF SUFFOLK, PC
Neurological Surgery
1175 MONTAUK HWY
WEST ISLIP, NY 11795
Suffolk County (833) 666-6066
MEDICAL SERVICES OF MOUNT SINAI, P.C.
Neurological Surgery
1175 MONTAUK HWY
WEST ISLIP, NY 11795
Suffolk County (833) 666-6066
TRUE NORTH MEDICAL OF MANHASSET, PC
Neurological Surgery
1175 MONTAUK HWY
WEST ISLIP, NY 11795
Suffolk County (833) 666-6066
INDERJEET SINGH NAGPAL MD
Pediatrics
1175 MONTAUK HWY, STE4
WEST ISLIP, NY 11795
Suffolk County (631) 422-9600

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 Noel D'silva's NPI number?

The NPI number for Noel D'silva is 1639132665. It was assigned to this individual provider in the NPPES registry on April 10, 2006.

Where is Noel D'silva located?

Noel D'silva practices at 1175 Montauk Hwy Suite 3, West Islip, NY 11795. The listed phone number is (631) 669-1171.

What is Noel D'silva's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Noel D'silva enrolled in Medicare?

Yes. Noel D'silva is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Noel D'silva was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 37 days 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.