DR. GREGORY AARON BONCI M.D.
NPI 1861768491
Radiology - Diagnostic Radiology in Boston, MA

Active since March 28, 2012PECOS EnrolledAccepts Medicare Assignment
75/100
CMS Quality Rating
75 FRANCIS ST, BRIGHAM AND WOMEN'S HOSPITAL - DEPARTMENT OF RADIOLOGY, BOSTON, MA 02115(617) 278-0702 Get Directions Write a Review

NPPES record last updated: October 21, 2016. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Gregory Aaron Bonci M.d. NPPES

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

DR. GREGORY AARON BONCI M.D. (NPI 1861768491) is an individual diagnostic radiology provider in Boston, Massachusetts, licensed in Massachusetts (262139) and active in the NPI registry since March 2012. He is enrolled in Medicare PECOS, is affiliated with Concord Hospital, and is a graduate of Js Weill Medical College, Cornell University (2012).

NPPES Registry Identity

NPI1861768491
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameDR. GREGORY AARON BONCICredential: M.D.
Location Address75 FRANCIS ST, BRIGHAM AND WOMEN'S HOSPITAL - DEPARTMENT OF RADIOLOGYBoston, MA 02115-6110
Mailing Address67 Sterling StSomerville, MA 02144-1116 · (412) 559-0369
Sole ProprietorNo
Medical School CMSJs Weill Medical College, Cornell UniversityGraduated 2012
Enumeration DateMarch 28, 2012
Last NPPES UpdateOctober 21, 2016
✔ NPI 1861768491 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 MA · 262139
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
75 FRANCIS ST, Boston, MA 02115

Accepted Insurance

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

Dr. Gregory Aaron Bonci M.d. 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 ID3678717212
PECOS Enrollment IDI20170619002670
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

2

Medicare enrollment records show Gregory Bonci reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Diagnostic Radiology
2 1/2 BEACON ST
Concord, NH 03301
  • Reassigned Medicare billing, New Hampshire enrollment
  • 25 clinicians in this Medicare group
Radiology
2 1/2 BEACON ST
Concord, NH 03301
  • Reassigned Medicare billing, New Hampshire enrollment
  • 23 clinicians in this Medicare group

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 59

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.

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967
Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.
6,980 services70 patients
Injection, gadobutrol, 0.1 ml A9585
Gadobutrol is a contrast agent used during MRI scans to help provide clearer images. It's injected into your vein before the scan. This helps doctors to see certain areas more clearly for better diagnosis. It's generally safe with few side effects.
4,940 services63 patients
Screening 3d breast mammography 77063
Screening 3D breast mammography is a procedure that uses low-dose X-rays to create detailed images of the breast. This allows for early detection of any unusual changes or growths. It's a non-invasive, outpatient procedure that typically takes about 30 minutes.
498 services498 patients
Screening mammography 77067
Screening mammography is a preventative measure that uses low-dose X-rays to take images of the chest area. It's a key tool in early detection of abnormalities, helping to identify issues before they become symptomatic. It is recommended annually for certain age groups.
498 services498 patients
Screening 3d breast mammography 77063
Screening 3D breast mammography is a procedure that uses low-dose X-rays to create detailed images of the breast. This allows for early detection of any unusual changes or growths. It's a non-invasive, outpatient procedure that typically takes about 30 minutes.
274 services274 patients
Screening mammography 77067
Screening mammography is a preventative measure that uses low-dose X-rays to take images of the chest area. It's a key tool in early detection of abnormalities, helping to identify issues before they become symptomatic. It is recommended annually for certain age groups.
274 services274 patients

Hospital Affiliations CMS Care Compare 4

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

Concord Hospital

Acute Care Hospitals · Concord, NH
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number300001
Location250 Pleasant StConcord, NH 03301 · Merrimack County
Birthing friendly

Mary Hitchcock Memorial Hospital

Acute Care Hospitals · Lebanon, NH
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number300003
Location1 Medical Center DriveLebanon, NH 03756 · Grafton County
Emergency services Birthing friendly

Concord Hospital- Laconia

Acute Care Hospitals · Laconia, NH
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number300005
Location80 Highland StLaconia, NH 03246 · Belknap County
Emergency services

Concord Hospital- Franklin

Critical Access Hospitals · Franklin, NH
OwnershipVoluntary non-profit - Private
CMS Certification Number301306
Location15 Aiken AvenueFranklin, NH 03235 · Merrimack County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02115 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
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

75/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice

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.

Internal Medicine (Gastroenterology)
75 FRANCIS ST
BOSTON, MA 02115
Neurological Surgery
75 FRANCIS ST
BOSTON, MA 02115
Student in an Organized Health Care Education/Training Program
75 FRANCIS ST
BOSTON, MA 02115
Radiology (Diagnostic Radiology)
75 FRANCIS ST, DEPARTMENT OF RADIOLOGY
BOSTON, MA 02115
Surgery (Vascular Surgery)
75 FRANCIS ST, BRIGHAM AND WOMEN'S HOSPITAL
BOSTON, MA 02115
Emergency Medicine
75 FRANCIS ST, BWH DEPT. OF EMERGENCY MEDICINE
BOSTON, MA 02115
Physician Assistant
75 FRANCIS ST
BOSTON, MA 02115
Nurse Practitioner (Family)
75 FRANCIS ST
BOSTON, MA 02115

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 Bonci's NPI number?

The NPI number for Gregory Bonci is 1861768491. It was assigned to this individual provider in the NPPES registry on March 28, 2012.

Where is Gregory Bonci located?

Gregory Bonci practices at 75 Francis St Brigham And Women's Hospital - Department Of Radiology, Boston, MA 02115. The listed phone number is (617) 278-0702.

What is Gregory Bonci's specialty?

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

Is Gregory Bonci enrolled in Medicare?

Yes. Gregory Bonci 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 Gregory Bonci's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Bonci reassigns Medicare benefits to 2 organizations: X-Ray Professional Association (Concord, NH) and Concord Imaging Center (Concord, NH). 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 Gregory Bonci's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gregory Bonci accept?

Health plans from WellSense Health Plan list Gregory Bonci as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Gregory Bonci affiliated with any hospitals?

According to CMS data, Gregory Bonci is affiliated with Concord Hospital, Mary Hitchcock Memorial Hospital, Concord Hospital- Laconia and Concord Hospital- Franklin.

When was this NPI record last updated?

The NPPES record for Gregory Bonci was last updated on October 21, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.