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NICHOLAS GARGUILO
NPI 1861380115
Nurse Anesthetist, Certified Registered in Smithtown, NY

Active since June 25, 2025Accepts Medicare Assignment
2 GREENWICH RD, SMITHTOWN, NY 11787(631) 835-3250 Get Directions Write a Review

NPPES record last updated: January 11, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 11, 2026, Jun 25, 2025 (2 updates tracked since 2025).

About Nicholas Garguilo NPPES

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

NICHOLAS GARGUILO (NPI 1861380115) is an individual nurse anesthetist, certified registered in Smithtown, New York, licensed in New York (786411) and active in the NPI registry since June 2025. He is affiliated with Ns/lij Hs Southside Hospital and is a graduate of Other (2025).

NPPES Registry Identity

NPI1861380115
Entity TypeIndividualMale
Primary Taxonomy367500000X
Provider Legal NameNICHOLAS GARGUILO
Location Address2 GREENWICH RDSmithtown, NY 11787-2405
Mailing Address2 Greenwich RdSmithtown, NY 11787-2405 · (631) 835-3250
Phone(631) 835-3250
Sole ProprietorYes
Medical School CMSOtherGraduated 2025
Enumeration DateJune 25, 2025
Last NPPES UpdateJanuary 11, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 11, 2026
✔ NPI 1861380115 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in NY · 786411
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
Also ListedRegistered NurseTaxonomy 163W00000X · License 786411-01 (NY)
2 GREENWICH RD, Smithtown, NY 11787
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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

Nicholas Garguilo 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 ID2062903859
PECOS Enrollment IDI20251119002965

Medicare Billing Reassignments

5

Medicare enrollment records show Nicholas Garguilo reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Office Based Anesthesia LLC
1.5 mi
Anesthesiology
50 ROUTE 25A
Smithtown, NY 11787
  • Reassigned Medicare billing, New York enrollment
  • 92 clinicians in this Medicare group
NPI 1407947617 (631) 862-3540
Suffolk Anesthesiology Associates, PC
1.5 mi
Anesthesiology
50 ROUTE 25A
Smithtown, NY 11787
  • Reassigned Medicare billing, New York enrollment
  • 101 clinicians in this Medicare group
NPI 1194826420 (631) 862-3540
New York Cardiovascular Anesthesiologists, P.C.
23 mi
Anesthesiology
100 PORT WASHINGTON BLVD
Roslyn, NY 11576
  • Reassigned Medicare billing, New York enrollment
  • 162 clinicians in this Medicare group
NPI 1801834411 (516) 627-6624
New York University
33 mi
Specialist
9785 QUEENS BLVD
Rego Park, NY 11374
  • Reassigned Medicare billing, New York enrollment
  • 1,074 clinicians in this Medicare group
NPI 1669422879 (718) 261-9100
North Shore - Lij Anesthesiology, PC
35 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.

Hospital Affiliations CMS Care Compare 2

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

St Charles Hospital

Acute Care Hospitals · Port Jefferson, NY
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number330246
Location200 Belle Terre RoadPort Jefferson, NY 11777 · Suffolk County
Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11787 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
$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.

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 Nicholas Garguilo's NPI number?

The NPI number for Nicholas Garguilo is 1861380115. It was assigned to this individual provider in the NPPES registry on June 25, 2025.

Where is Nicholas Garguilo located?

Nicholas Garguilo practices at 2 Greenwich Rd, Smithtown, NY 11787. The listed phone number is (631) 835-3250.

What is Nicholas Garguilo's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Nicholas Garguilo enrolled in Medicare?

Yes. Nicholas Garguilo 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 organizations bill Medicare for Nicholas Garguilo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas Garguilo reassigns Medicare benefits to 5 organizations: Office Based Anesthesia LLC (Smithtown, NY), Suffolk Anesthesiology Associates, PC (Smithtown, NY), New York Cardiovascular Anesthesiologists, P.C. (Roslyn, NY), New York University (Rego Park, NY) and North Shore - Lij Anesthesiology, PC (Chappaqua, NY). 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 Nicholas Garguilo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Nicholas Garguilo affiliated with any hospitals?

According to CMS data, Nicholas Garguilo is affiliated with Ns/Lij Hs Southside Hospital and St Charles Hospital.

When was this NPI record last updated?

The NPPES record for Nicholas Garguilo was last updated on January 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.