Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

GREGORY W. LITTLE MD
NPI 1053388587
Pediatrics in Amherst, MA

Q: What is Gregory Little's NPI number?

The NPI number for Gregory Little is 1053388587. It was assigned to this individual provider in the NPPES registry on March 3, 2006.

Q: What is Gregory Little's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Q: When was this NPI record last updated?

The NPPES record for Gregory Little 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 41 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.

Active since March 03, 2006

150 INFIRMARY WAY, AMHERST, MA 01003(413) 577-5000(413) 577-5440 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

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About Gregory W. Little Md NPPES

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

GREGORY W. LITTLE MD (NPI 1053388587) is an individual pediatrics provider in Amherst, Massachusetts, licensed in Massachusetts (152869) and active in the NPI registry since March 2006.

NPPES Registry Identity

NPI1053388587

Entity TypeIndividualMale

Primary Taxonomy208000000X

Provider Legal NameGREGORY W. LITTLECredential: MD

Location Address150 INFIRMARY WAYAmherst, MA 01003-9288

Mailing Address150 Infirmary WayAmherst, MA 01003-9288 · (413) 577-5000 · Fax (413) 577-5440

Phone(413) 577-5000

Fax(413) 577-5440

Sole ProprietorNo

Enumeration DateMarch 3, 2006

Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration

✔ NPI 1053388587 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in MA · 152869

Definition

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

Also ListedEmergency MedicineTaxonomy 207P00000X · License 152869 (MA)

Also ListedFamily MedicineTaxonomy 207Q00000X · License 152869 (MA)

Also ListedInternal MedicineTaxonomy 207R00000X · License 152869 (MA)

150 INFIRMARY WAY, Amherst, MA 01003

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Other Identifiers 7

Other204283MA · Harvard Pilgrim

Other799145MA · Tufts

Other29065MA · Health New England

OtherJ19517MA · Bcbsma

Other1130375MA · Aetna

Other4408554001MA · Cigna

Other152869MA · Connecticare

Accepted Insurance

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

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.

CONSTANCE B. LENTZ MD

Internal Medicine

150 INFIRMARY WAY
AMHERST, MA 01003

Hampshire County (413) 577-5000

DR. LISA MARIE LAZARZ-CIESLA MD

Family Medicine

150 INFIRMARY WAY
AMHERST, MA 01003

Hampshire County (413) 577-5000

MRS. MARLO LAGRANT

Physical Therapist

150 INFIRMARY WAY
AMHERST, MA 01003

Hampshire County (413) 577-5000

UMASS HEALTH SERVICES AMHERST

Clinic/Center (Urgent Care)

150 INFIRMARY WAY
AMHERST, MA 01003

Hampshire County (413) 577-5000

DR. PATRICIA A BARROWS PH.D.

Psychologist

150 INFIRMARY WAY
AMHERST, MA 01003

Hampshire County (413) 577-5000

CLAIRE L. DWYER PT

Physical Therapist

150 INFIRMARY WAY
AMHERST, MA 01003

Hampshire County (413) 577-5000

KAREN ANN KALMAKIS NP

Nurse Practitioner

150 INFIRMARY WAY, UNIVERSITY HEALTH SERVICES
AMHERST, MA 01003

Hampshire County (413) 577-5000

ROBERT HOROWITZ MD

Family Medicine

150 INFIRMARY WAY
AMHERST, MA 01003

Hampshire County (413) 577-5000

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 Little's NPI number?

The NPI number for Gregory Little is 1053388587. It was assigned to this individual provider in the NPPES registry on March 3, 2006.

Where is Gregory Little located?

Gregory Little practices at 150 Infirmary Way, Amherst, MA 01003. The listed phone number is (413) 577-5000.

What is Gregory Little's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

What insurance does Gregory Little accept?

Health plans from Anthem Blue Cross and Blue Shield list Gregory Little 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.

When was this NPI record last updated?

The NPPES record for Gregory Little 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 41 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.