DR. GREGORY N. EMMANUEL M.D.
NPI 1164764791
Radiology - Diagnostic Radiology in Boston, MA

Active since March 21, 2013PECOS EnrolledAccepts Medicare Assignment

NPPES record last updated: April 19, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 19, 2022, Sep 22, 2021, Mar 19, 2019 (3 updates tracked since 2019).

About Dr. Gregory N. Emmanuel M.d. NPPES

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

DR. GREGORY N. EMMANUEL M.D. (NPI 1164764791) is an individual diagnostic radiology provider in Boston, Massachusetts, licensed in Massachusetts (278020) and active in the NPI registry since March 2013. He is enrolled in Medicare PECOS, is affiliated with Northeast Hospital Corporation, and maintains a secondary practice location in Burlington.

NPPES Registry Identity

NPI1164764791
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameDR. GREGORY N. EMMANUELCredential: M.D.
Location Address55 FRUIT STBoston, MA 02114-2621
Mailing Address800 Washington Street, Department Of RadiologyBoston, MA 02111-4431
Sole ProprietorNo
Medical School CMSAlbany Medical College Of Union UniversityGraduated 2013
Enumeration DateMarch 21, 2013
Last NPPES UpdateApril 19, 20223 updates tracked since enumeration
NPPES CertifiedApril 19, 2022
✔ NPI 1164764791 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 · 278020
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
55 FRUIT ST, Boston, MA 02114

Secondary Practice Location 1

Location 141 Mall RdBurlington, MA 01805-2621 · Phone (781) 744-8000

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 N. Emmanuel 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 ID5496090003
PECOS Enrollment IDI20190613002455
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

4

Medicare enrollment records show Gregory Emmanuel reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Diagnostic Radiology
800 WASHINGTON ST, BOX 1013
Boston, MA 02111
  • Reassigned Medicare billing, Massachusetts enrollment
  • 132 clinicians in this Medicare group
Diagnostic Radiology
800 WASHINGTON ST
Boston, MA 02111
  • Reassigned Medicare billing, Massachusetts enrollment
  • 68 clinicians in this Medicare group
Internal Medicine
41 MALL RD, LAHEY CLINIC
Burlington, MA 01805
  • Reassigned Medicare billing, Massachusetts enrollment
  • Also billed through NPI 1063447316 (Massachusetts)
  • 1,574 clinicians in this Medicare group
Family Medicine
30 LOCUST ST
Northampton, MA 01060
  • Reassigned Medicare billing, Massachusetts enrollment
  • 539 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 52

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.

X-ray of chest, 1 view 71045
A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.
490 services416 patients
X-ray of chest, 2 views 71046
A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.
372 services369 patients
Ct scan of abdomen and pelvis with contrast 74177
A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.
241 services236 patients
Ct scan of chest without contrast 71250
A CT scan of the chest without contrast is a non-invasive imaging procedure. It uses special X-ray equipment to produce detailed images of your chest area, including your lungs and heart. It can help diagnose conditions such as lung diseases or heart disorders. It doesn't involve any dyes or contrast agents.
214 services213 patients
Complete ultrasound scan behind abdominal cavity 76770
A complete ultrasound scan behind the abdominal cavity is a non-invasive imaging procedure. It uses sound waves to create pictures of the structures and organs located at the back of your abdomen. It helps in diagnosing health conditions and monitoring ongoing treatments.
194 services189 patients
Mri scan of abdomen before and after contrast 74183
An MRI scan of the abdomen before and after contrast provides detailed images of your abdominal organs. Initially, images are taken without a contrast agent. Then, a safe dye is administered, usually via an IV, to highlight certain areas, giving a clearer picture to help diagnose various conditions.
176 services172 patients

Hospital Affiliations CMS Care Compare 4

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

Northeast Hospital Corporation

Acute Care Hospitals · Beverly, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220033
Location85 Herrick StreetBeverly, MA 01915 · Essex County
Emergency services Birthing friendly

Beth Israel Deaconess Medical Center

Acute Care Hospitals · Boston, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220086
Location330 Brookline AvenueBoston, MA 02215 · Suffolk County
Emergency services Birthing friendly

Winchester Hospital

Acute Care Hospitals · Winchester, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220105
Location41 Highland AvenueWinchester, MA 01890 · Middlesex County
Emergency services Birthing friendly

Lahey Hospital & Medical Center, Burlington

Acute Care Hospitals · Burlington, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220171
Location41 & 45 Mall RoadBurlington, MA 01803 · Middlesex County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02114 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.

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.

Pathology (Anatomic Pathology)
55 FRUIT ST
BOSTON, MA 02114
Internal Medicine (Hematology & Oncology)
55 FRUIT ST
BOSTON, MA 02114
Anesthesiology
55 FRUIT ST, GRAY-BIGELOW 444
BOSTON, MA 02114
Physical Medicine & Rehabilitation
55 FRUIT ST
BOSTON, MA 02114
Internal Medicine (Infectious Disease)
55 FRUIT ST, DIVISION OF INFECTIOUS DISEASE, GRJ-504
BOSTON, MA 02114
Nurse Practitioner (Acute Care)
55 FRUIT ST, BIGALOW 852 F
BOSTON, MA 02114
Nurse Practitioner
55 FRUIT ST
BOSTON, MA 02114
Internal Medicine (Cardiovascular Disease)
55 FRUIT ST
BOSTON, MA 02114

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 Emmanuel's NPI number?

The NPI number for Gregory Emmanuel is 1164764791. It was assigned to this individual provider in the NPPES registry on March 21, 2013.

Where is Gregory Emmanuel located?

Gregory Emmanuel practices at 55 Fruit St, Boston, MA 02114. The listed phone number is (617) 724-9729.

What is Gregory Emmanuel's specialty?

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

Is Gregory Emmanuel enrolled in Medicare?

Yes. Gregory Emmanuel 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 Emmanuel's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Emmanuel reassigns Medicare benefits to 4 organizations: Pratt Radiology Associates, Inc (Boston, MA), Tmc Radiology Cra LLC (Boston, MA), Lahey Clinic, Inc. (Burlington, MA) and Mass General Brigham Medical Group Western Massachusetts Inc (Northampton, MA). 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 Emmanuel's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gregory Emmanuel accept?

Health plans from Taro Health list Gregory Emmanuel 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 Emmanuel affiliated with any hospitals?

According to CMS data, Gregory Emmanuel is affiliated with Northeast Hospital Corporation, Beth Israel Deaconess Medical Center, Winchester Hospital and Lahey Hospital & Medical Center, Burlington.

When was this NPI record last updated?

The NPPES record for Gregory Emmanuel was last updated on April 19, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.