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

DR. SOMA DEALL-WILLIAMS DO
NPI 1760178834
Pediatrics in West Islip, NY

Active since April 12, 2023PECOS Enrolled
1175 MONTAUK HWY STE 4, WEST ISLIP, NY 11795(631) 422-9600 Get Directions Write a Review

NPPES record last updated: July 7, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 7, 2026, Apr 12, 2023 (2 updates tracked since 2023).

About Dr. Soma Deall-williams Do NPPES

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

DR. SOMA DEALL-WILLIAMS DO (NPI 1760178834) is an individual pediatrics provider in West Islip, New York, licensed in New York (342526) and active in the NPI registry since April 2023. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1760178834
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. SOMA DEALL-WILLIAMSCredential: DO
Location Address1175 MONTAUK HWY STE 4West Islip, NY 11795-4939
Mailing Address1175 Montauk Hwy Ste 4West Islip, NY 11795-4939 · (631) 422-9600
Sole ProprietorNo
Enumeration DateApril 12, 2023
Last NPPES UpdateJuly 7, 20262 updates tracked since enumeration
NPPES CertifiedJuly 7, 2026
NPI 1760178834 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License Licensed in NY · 342526
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
1175 MONTAUK HWY STE 4, West Islip, NY 11795

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Soma Deall-williams Do 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
$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

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

Pediatrics
1175 MONTAUK HWY STE 4
WEST ISLIP, NY 11795

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 Soma Deall-williams's NPI number?

The NPI number for Soma Deall-williams is 1760178834. It was assigned to this individual provider in the NPPES registry on April 12, 2023.

Where is Soma Deall-williams located?

Soma Deall-williams practices at 1175 Montauk Hwy Ste 4, West Islip, NY 11795. The listed phone number is (631) 422-9600.

What is Soma Deall-williams's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Soma Deall-williams enrolled in Medicare?

Yes. Soma Deall-williams is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Soma Deall-williams was last updated on July 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 39 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.