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

MARK GUELFGUAT DO
NPI 1205873130
Radiology - Diagnostic Radiology in Staten Island, NY

Active since May 31, 2006PECOS Enrolled
475 SEAVIEW AVE, STATEN ISLAND, NY 10305(718) 226-9216(718) 226-1697 Get Directions Write a Review

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

About Mark Guelfguat Do NPPES

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

MARK GUELFGUAT DO (NPI 1205873130) is an individual diagnostic radiology provider in Staten Island, New York, licensed in New York (235429-1) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1205873130
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameMARK GUELFGUATCredential: DO
Location Address475 SEAVIEW AVEStaten Island, NY 10305-3436
Mailing AddressPo Box 4605Warren, NJ 07059-0605 · (718) 876-9030 · Fax (718) 876-3462
Fax(718) 226-1697
Sole ProprietorNo
Enumeration DateMay 31, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1205873130 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License Licensed in NY · 235429-1
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
475 SEAVIEW AVE, Staten Island, NY 10305

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Mark Guelfguat 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 10305 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.

Physician Assistant (Surgical)
475 SEAVIEW AVE
STATEN ISLAND, NY 10305
Emergency Medicine
475 SEAVIEW AVE
STATEN ISLAND, NY 10305
Speech-Language Pathologist
475 SEAVIEW AVE
STATEN ISLAND, NY 10305
Internal Medicine (Cardiovascular Disease)
475 SEAVIEW AVE
STATEN ISLAND, NY 10305
Emergency Medicine
475 SEAVIEW AVE
STATEN ISLAND, NY 10305
Anesthesiology
475 SEAVIEW AVE
STATEN ISLAND, NY 10305
Occupational Therapist
475 SEAVIEW AVE
STATEN ISLAND, NY 10305
Nurse Practitioner (Psychiatric/Mental Health)
475 SEAVIEW AVE
STATEN ISLAND, NY 10305

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 Mark Guelfguat's NPI number?

The NPI number for Mark Guelfguat is 1205873130. It was assigned to this individual provider in the NPPES registry on May 31, 2006.

Where is Mark Guelfguat located?

Mark Guelfguat practices at 475 Seaview Ave, Staten Island, NY 10305. The listed phone number is (718) 226-9216.

What is Mark Guelfguat's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Mark Guelfguat enrolled in Medicare?

Yes. Mark Guelfguat is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Mark Guelfguat 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 40 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.