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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

GREGORY S SAWICKI M.D.
NPI 1295773588
Pediatrics - Pediatric Pulmonology in Boston, MA

Active since June 02, 2006PECOS Enrolled
300 LONGWOOD AVENUE, CHILDRENS HOSPITAL, BOSTON, MA 02115(617) 355-6105 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Gregory S Sawicki M.d. NPPES

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

GREGORY S SAWICKI M.D. (NPI 1295773588) is an individual pediatric pulmonology provider in Boston, Massachusetts, licensed in Massachusetts (226814) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Boston Children's Hospital, and is a graduate of Harvard Medical School (2001).

NPPES Registry Identity

NPI1295773588
Entity TypeIndividualMale
Primary Taxonomy2080P0214X
Provider Legal NameGREGORY S SAWICKICredential: M.D.
Location Address300 LONGWOOD AVENUE, CHILDRENS HOSPITALBoston, MA 02115
Mailing Address3 Mullins CtCambridge, MA 02141-1221 · (617) 355-6105
Phone(617) 355-6105
Sole ProprietorNo
Medical School CMSHarvard Medical SchoolGraduated 2001
Enumeration DateJune 2, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1295773588 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric PulmonologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0214X
License✔ Licensed in MA · 226814
Definition
A pediatrician dedicated to the prevention and treatment of all respiratory diseases affecting infants, children and young adults. This specialist is knowledgeable about the growth and development of the lung, assessment of respiratory function in infants and children, and experienced in a variety of invasive and noninvasive diagnostic techniques.
300 LONGWOOD AVENUE, Boston, MA 02115
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

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

Gregory S Sawicki 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 ID3476644428
PECOS Enrollment IDI20070807000019
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.

Hospital Affiliations CMS Care Compare

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

Boston Children's Hospital

Childrens · Boston, MA
OwnershipVoluntary non-profit - Private
CMS Certification Number223302
Location300 Longwood AvenueBoston, MA 02115 · Suffolk County
Emergency services

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.

KRINJEELA BAZGAIN MBBS,MS,MCH,FICO,FAI
Student in an Organized Health Care Education/Training Program
300 LONGWOOD AVENUE, FEGAN 4
BOSTON, MA 02115
Suffolk County (617) 355-6401
DR. NADINE APRAHAMIAN
Pediatrics
300 LONGWOOD AVENUE
BOSTON, MA 02115
Suffolk County (401) 338-2068
DR. ROBERT COOPER SHAMBERGER MD
Surgery (Pediatric Surgery)
300 LONGWOOD AVENUE
BOSTON, MA 02115
Suffolk County (617) 355-8326
ELENA ZION M.D.
Pediatrics (Pediatric Nephrology)
300 LONGWOOD AVENUE, BCH3038
BOSTON, MA 02115
Suffolk County (617) 355-6129
ALEXIS HEALY-WURZBURG OTR/L
Occupational Therapist
300 LONGWOOD AVENUE
BOSTON, MA 02115
Suffolk County (617) 355-6588
MRS. ALESSANDRA LEMOS DE CARVALHO M.D.
Student in an Organized Health Care Education/Training Program
300 LONGWOOD AVENUE, BOSTON CHILDREN'S HOSPITAL, HOUSESTAFF LOUNGE
BOSTON, MA 02115
Suffolk County (617) 355-6000
DR. RYAN PERKINS M.D.
Pediatrics (Pediatric Pulmonology)
300 LONGWOOD AVENUE
BOSTON, MA 02115
Suffolk County (617) 355-6000
MEREDITH GIGLIA VAN DER VELDEN M.D.
Pediatrics (Pediatric Critical Care Medicine)
300 LONGWOOD AVENUE, BOSTON CHILDREN'S HOSPITAL
BOSTON, MA 02115
Suffolk County (617) 355-7327

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 Sawicki's NPI number?

The NPI number for Gregory Sawicki is 1295773588. It was assigned to this individual provider in the NPPES registry on June 2, 2006.

Where is Gregory Sawicki located?

Gregory Sawicki practices at 300 Longwood Avenue Childrens Hospital, Boston, MA 02115. The listed phone number is (617) 355-6105.

What is Gregory Sawicki's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Pulmonology, with taxonomy code 2080P0214X.

Is Gregory Sawicki enrolled in Medicare?

Yes. Gregory Sawicki 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.

What insurance does Gregory Sawicki accept?

Health plans from Anthem Blue Cross and Blue Shield list Gregory Sawicki 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 Sawicki affiliated with any hospitals?

According to CMS data, Gregory Sawicki is affiliated with Boston Children's Hospital.

When was this NPI record last updated?

The NPPES record for Gregory Sawicki was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 days 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.