DR. GREGORY N. BONASERA DC
NPI 1841374352
Chiropractor in Port Jefferson Station, NY

Active since October 24, 2006
1041 ROUTE 112, PORT JEFFERSON STATION, NY 11776(631) 828-4545(631) 642-1070 Get Directions Write a Review

NPPES record last updated: November 14, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 14, 2018, Nov 5, 2018 (2 updates tracked since 2018).

About Dr. Gregory N. Bonasera Dc NPPES

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

DR. GREGORY N. BONASERA DC (NPI 1841374352) is an individual chiropractor in Port Jefferson Station, New York, licensed in New York (X005301) and active in the NPI registry since October 2006.

NPPES Registry Identity

NPI1841374352
Entity TypeIndividualMale
Primary Taxonomy111N00000X
Provider Legal NameDR. GREGORY N. BONASERACredential: DC
Location Address1041 ROUTE 112Port Jefferson Station, NY 11776-6000
Mailing Address1041 Route 112Port Jefferson Station, NY 11776-6000 · (631) 445-1011 · Fax (631) 642-1070
Fax(631) 642-1070
Sole ProprietorYes
Enumeration DateOctober 24, 2006
Last NPPES UpdateNovember 14, 20182 updates tracked since enumeration
✔ NPI 1841374352 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in NY · X005301
Definition
A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.
1041 ROUTE 112, Port Jefferson Station, NY 11776

Other Identifiers 1

Medicaid01738361NY

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Gregory N. Bonasera Dc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

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

Clinic/Center
1041 ROUT 112
Port Jefferson Station, NY 11776
  • Reassigned Medicare billing, New York enrollment

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

Other Providers at the Same Location NPPES 7

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

Physical Therapist
1041 ROUTE 112
PORT JEFFERSON STATION, NY 11776
Pain Medicine (Pain Medicine)
1041 ROUTE 112
PORT JEFFERSON STATION, NY 11776
Acupuncturist
1041 ROUTE 112, THREE ROADS PLAZA
PORT JEFFERSON STATION, NY 11776
Chiropractor
1041 ROUTE 112
PORT JEFFERSON STATION, NY 11776
Physical Therapist
1041 ROUTE 112
PORT JEFFERSON STATION, NY 11776
Massage Therapist
1041 ROUTE 112
PORT JEFFERSON STATION, NY 11776
Massage Therapist
1041 ROUTE 112
PORT JEFFERSON STATION, NY 11776

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 Gregory Bonasera's NPI number?

The NPI number for Gregory Bonasera is 1841374352. It was assigned to this individual provider in the NPPES registry on October 24, 2006.

Where is Gregory Bonasera located?

Gregory Bonasera practices at 1041 Route 112, Port Jefferson Station, NY 11776. The listed phone number is (631) 828-4545.

What is Gregory Bonasera's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

Is Gregory Bonasera enrolled in Medicare?

Yes. Gregory Bonasera is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Gregory Bonasera's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Bonasera reassigns Medicare benefits to Chiropractic Of Stony Brook PLLC (Port Jefferson Station, 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 Gregory Bonasera'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 Gregory Bonasera was last updated on November 14, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years 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.