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GUY MONGELLI MD
NPI 1861463085
Anesthesiology in Staten Island, NY

Active since January 27, 2006PECOS EnrolledAccepts Medicare Assignment
355 BARD AVE, STATEN ISLAND, NY 10310(718) 818-1234 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Guy Mongelli Md NPPES

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

GUY MONGELLI MD (NPI 1861463085) is an individual anesthesiology provider in Staten Island, New York, licensed in New York (169932) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Ns/lij Hs Southside Hospital, and is a graduate of Other (1984).

NPPES Registry Identity

NPI1861463085
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameGUY MONGELLICredential: MD
Location Address355 BARD AVEStaten Island, NY 10310
Mailing Address3733 Richmond AveStaten Island, NY 10312 · (718) 948-6177 · Fax (718) 948-8189
Phone(718) 818-1234
Sole ProprietorNo
Medical School CMSOtherGraduated 1984
Enumeration DateJanuary 27, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1861463085 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in NY · 169932
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
355 BARD AVE, Staten Island, NY 10310
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Other Identifiers 1

Medicaid01064740NY

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Guy Mongelli Md 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 ID7315909587
PECOS Enrollment IDI20041029000854
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 Reassignment

Medicare enrollment records show Guy Mongelli reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

North Shore - Lij Anesthesiology, PC
42 mi
Anesthesiology
480 BEDFORD RD BLDG B
Chappaqua, NY 10514
  • Reassigned Medicare billing, New York enrollment
  • 1,406 clinicians in this Medicare group
NPI 1417401266 (914) 666-8866

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

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Anesthesia for placement or revision of blood flow shunt 01844
Anesthesia for blood flow shunt placement or revision ensures comfort during the procedure. It involves medication to numb or induce sleep, preventing pain or discomfort. It's safe, monitored by professionals, and tailored to individual needs.
51 services45 patients
Anesthesia for procedure to assess heart electrical activity 00537
Anesthesia for a procedure to assess heart electrical activity helps ensure comfort and relaxation. It involves administering medication that either numbs a specific area or makes you sleep temporarily. This allows doctors to safely examine your heart's electrical signals without causing discomfort.
12 services12 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Ns/Lij Hs Southside Hospital

Acute Care Hospitals · Bay Shore, NY
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330043
Location301 East Main StreetBay Shore, NY 11706 · Suffolk County
Emergency services Birthing friendly

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. DONNA MARIE LUTZ MSCCC-A
Audiologist-Hearing Aid Fitter
355 BARD AVE
STATEN ISLAND, NY 10310
Richmond County (718) 818-2250
ALL ISLAND PHYSICIAN PRACTICE PC
Internal Medicine (Endocrinology, Diabetes & Metabolism)
355 BARD AVE
STATEN ISLAND, NY 10310
Richmond County (718) 818-3327
SAINT VINCENT CATHOLIC MEDICAL CENTER
Psychiatric Unit
355 BARD AVE
STATEN ISLAND, NY 10310
Richmond County (718) 818-1234
LISA MAHER PA
Physician Assistant
355 BARD AVE, RICHMOND UNIVERSITY MEDICAL CENTER
STATEN ISLAND, NY 10310
Richmond County (718) 818-1117
MRS. ANNA MENZA FNP
Nurse Practitioner (Family)
355 BARD AVE
STATEN ISLAND, NY 10310
Richmond County (718) 818-1234
CAROLINE MEURER DA CUNHA
Student in an Organized Health Care Education/Training Program
355 BARD AVE
STATEN ISLAND, NY 10310
Richmond County (718) 818-1234
ALLEN CHO
Student in an Organized Health Care Education/Training Program
355 BARD AVE
STATEN ISLAND, NY 10310
Richmond County (718) 818-2419
EDWARD ADRIAN M.D.
Emergency Medicine
355 BARD AVE, EMERGENCY DEPT
STATEN ISLAND, NY 10310
Richmond County (718) 818-2055

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 Guy Mongelli's NPI number?

The NPI number for Guy Mongelli is 1861463085. It was assigned to this individual provider in the NPPES registry on January 27, 2006.

Where is Guy Mongelli located?

Guy Mongelli practices at 355 Bard Ave, Staten Island, NY 10310. The listed phone number is (718) 818-1234.

What is Guy Mongelli's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Guy Mongelli enrolled in Medicare?

Yes. Guy Mongelli 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.

Which organization bills Medicare for Guy Mongelli's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Guy Mongelli reassigns Medicare benefits to North Shore - Lij Anesthesiology, PC (Chappaqua, NY). The 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 Guy Mongelli's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Guy Mongelli affiliated with any hospitals?

According to CMS data, Guy Mongelli is affiliated with Ns/Lij Hs Southside Hospital.

When was this NPI record last updated?

The NPPES record for Guy Mongelli 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.