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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: October 18, 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
Phone(718) 226-9216
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
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

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.

Medicare Billing Reassignments

6

Medicare enrollment records show Mark Guelfguat reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

New York City Health And Hospitals Corporation
2.5 mi
Skilled Nursing Facility
460 BRIELLE AVE
Staten Island, NY 10314
  • Reassigned Medicare billing, New York enrollment
  • 1,615 clinicians in this Medicare group
NPI 1285642512 (718) 317-3261
Coney Island Medical Practice Plan, P.C.
6.3 mi
General Practice
2601 OCEAN PKWY
Brooklyn, NY 11235
  • Reassigned Medicare billing, New York enrollment
  • 638 clinicians in this Medicare group
NPI 1386951762 (718) 616-5354
Metropolitan Medical Practice Plan PC
16 mi
General Practice
1901 1ST AVE
New York, NY 10029
  • Reassigned Medicare billing, New York enrollment
  • 623 clinicians in this Medicare group
NPI 1306138383 (212) 423-7337
Physician Affiliate Group Of New York PC
18 mi
Dietitian, Registered
506 LENOX AVE
New York, NY 10037
  • Reassigned Medicare billing, New York enrollment
  • 2,094 clinicians in this Medicare group
NPI 1013375526 (212) 939-2467
Harlem Medical Associates PC
18 mi
General Practice
506 MALCOLM X BLVD (LENOX AVE)
New York, NY 10037
  • Reassigned Medicare billing, New York enrollment
  • 676 clinicians in this Medicare group
NPI 1487957692 (631) 675-9300
Downtown Bronx Medical Associates PC
18 mi
Emergency Medical Services
234 E 149TH ST, STE 8D200
Bronx, NY 10451
  • Reassigned Medicare billing, New York enrollment
  • 971 clinicians in this Medicare group
NPI 1689618407 (718) 576-6200

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

MRS. DAWN MARIE COTTONE RPA-C
Physician Assistant (Surgical)
475 SEAVIEW AVE
STATEN ISLAND, NY 10305
Richmond County (718) 226-9508
SHAMYLA FARRUKH MD
Emergency Medicine
475 SEAVIEW AVE
STATEN ISLAND, NY 10305
Richmond County (718) 226-9158
MS. CHRISTINE ANN SPRUFERO CCC - SLP
Speech-Language Pathologist
475 SEAVIEW AVE
STATEN ISLAND, NY 10305
Richmond County (718) 226-6521
DR. SAMANTHA MARIA LEE MD
Internal Medicine (Cardiovascular Disease)
475 SEAVIEW AVE
STATEN ISLAND, NY 10305
Richmond County (718) 226-9510
DR. SHOROK E HASSAN D.O.
Emergency Medicine
475 SEAVIEW AVE
STATEN ISLAND, NY 10305
Richmond County (718) 226-9000
DAVID K CHEN MD
Anesthesiology
475 SEAVIEW AVE
STATEN ISLAND, NY 10305
Richmond County (718) 226-9000
STEPHANIE M POWERS
Occupational Therapist
475 SEAVIEW AVE
STATEN ISLAND, NY 10305
Richmond County (718) 226-9466
KRISTEN COLANDREA PMHNP
Nurse Practitioner (Psychiatric/Mental Health)
475 SEAVIEW AVE
STATEN ISLAND, NY 10305
Richmond County (347) 681-4146

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.

Which organizations bill Medicare for Mark Guelfguat's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Guelfguat reassigns Medicare benefits to 6 organizations: New York City Health And Hospitals Corporation (Staten Island, NY), Coney Island Medical Practice Plan, P.C. (Brooklyn, NY), Metropolitan Medical Practice Plan PC (New York, NY), Physician Affiliate Group Of New York PC (New York, NY), Harlem Medical Associates PC (New York, NY) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mark Guelfguat's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

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 3 months 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.