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DR. GREGORY KIRBY MD
NPI 1275065153
Anesthesiology in Boston, MA

Active since March 30, 2017PECOS EnrolledAccepts Medicare Assignment
55 FRUIT STREET, GRJ4-402, BOSTON, MA 02114(617) 963-4646 Get Directions Write a Review

NPPES record last updated: June 11, 2022. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jun 11, 2022, Jun 23, 2018, Mar 30, 2017 (3 updates tracked since 2017).

About Dr. Gregory Kirby Md NPPES

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

DR. GREGORY KIRBY MD (NPI 1275065153) is an individual anesthesiology provider in Boston, Massachusetts, licensed in Massachusetts (292024) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of University Of Connecticut School Of Medicine (2017).

NPPES Registry Identity

NPI1275065153
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. GREGORY KIRBYCredential: MD
Location Address55 FRUIT STREET, GRJ4-402Boston, MA 02114-2621
Mailing Address55 Fruit Street, Grj4-402Boston, MA 02114-2621 · (617) 963-4646
Phone(617) 963-4646
Sole ProprietorNo
Medical School CMSUniversity Of Connecticut School Of MedicineGraduated 2017
Enumeration DateMarch 30, 2017
Last NPPES UpdateJune 11, 20223 updates tracked since enumeration
NPPES CertifiedJune 11, 2022
✔ NPI 1275065153 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in MA · 292024
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.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
55 FRUIT STREET, Boston, MA 02114
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Gregory Kirby 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 ID1557632395
PECOS Enrollment IDI20221026003093
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.

Areas of Expertise CMS Part B claims 8

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.

Insertion of probe in esophagus for heart ultrasound 93313
This procedure involves placing a small probe in your esophagus. The probe, connected to an ultrasound machine, helps capture detailed images of your heart. This non-surgical, minimally invasive procedure provides valuable information about your heart's structure and function.
58 services58 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.
41 services41 patients
Insertion of artery tube for blood sampling or infusion through skin 36620
This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.
41 services39 patients
Anesthesia for procedure to correct abnormal heart rhythm 00410
Anesthesia for a procedure to correct abnormal heart rhythm ensures you won't feel pain during the treatment. It can be general, where you're completely asleep, or local, numbing only a specific area. Your vital signs are monitored to ensure safety during the procedure.
32 services31 patients
Insertion of tube in pulmonary artery for monitoring 93503
This procedure involves placing a tube into your pulmonary artery, which is a blood vessel in your lungs. The tube helps monitor heart function and blood flow, providing vital information for your treatment. It's typically done under local anesthesia to minimize discomfort.
28 services28 patients
Anesthesia for procedure on heart and large blood vessels using heart-lung machine (1 year or older) 00562
This procedure involves administering anesthesia to ensure comfort and safety during heart or large blood vessel operations. A heart-lung machine is used to take over the heart's function, allowing the surgeon to work on a still heart. Suitable for individuals aged 1 year and older.
20 services20 patients

Hospital Affiliations CMS Care Compare

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

Massachusetts General Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220071
Location55 Fruit StreetBoston, MA 02114 · 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.

KUI TOH GERARD LEONG M.D.
Internal Medicine (Cardiovascular Disease)
55 FRUIT STREET, MASSACHUSETTS GENERAL HOSPITAL
BOSTON, MA 02114
Suffolk County (617) 726-8862
MS. JACQUELINE BANGO LICSW
Social Worker (Clinical)
55 FRUIT STREET, FOUNDERS BUILDING SUITE 880
BOSTON, MA 02114
Suffolk County (617) 643-8281
SARA ELIZABETH GROSSLEIN PA
Physician Assistant
55 FRUIT STREET, WHITE 1
BOSTON, MA 02114
Suffolk County (617) 724-4100
JEFFREY M ELLENBOGEN M.D.
Psychiatry & Neurology (Neurology)
55 FRUIT STREET, WANG 720 (NEUROLOGY)
BOSTON, MA 02114
Suffolk County (617) 724-7419
DR. NANCY LEE HARRIS MD
Pathology (Anatomic Pathology & Clinical Pathology)
55 FRUIT STREET, WRN 2 PATHOLOGY ASSOCIATES
BOSTON, MA 02114
Suffolk County (617) 726-5155
DR. STANLEY YANG SHAW MD PHD
Internal Medicine (Cardiovascular Disease)
55 FRUIT STREET, YAW 5 CARDIAC UNIT ASSOCIATES
BOSTON, MA 02114
Suffolk County (617) 724-6750
LEONARDO V RIELLA M.D., PHD
Internal Medicine
55 FRUIT STREET, WHITE 5
BOSTON, MA 02114
Suffolk County (617) 726-5050
SUSAN MAHER CRNA
Nurse Anesthetist, Certified Registered
55 FRUIT STREET, CLN 309 MGH ANESTHESIA ASSOCIATES
BOSTON, MA 02114
Suffolk County (617) 726-3030

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 Kirby's NPI number?

The NPI number for Gregory Kirby is 1275065153. It was assigned to this individual provider in the NPPES registry on March 30, 2017.

Where is Gregory Kirby located?

Gregory Kirby practices at 55 Fruit Street Grj4-402, Boston, MA 02114. The listed phone number is (617) 963-4646.

What is Gregory Kirby's specialty?

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

Is Gregory Kirby enrolled in Medicare?

Yes. Gregory Kirby 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.

Is Gregory Kirby affiliated with any hospitals?

According to CMS data, Gregory Kirby is affiliated with Massachusetts General Hospital.

When was this NPI record last updated?

The NPPES record for Gregory Kirby was last updated on June 11, 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.