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DR. GARY JOHN NIELAN
NPI 1568458479
Pediatrics - Adolescent Medicine in Wilbraham, MA

Active since September 26, 2005PECOS Enrolled
2207 BOSTON RD, WILBRAHAM, MA 01095(413) 599-1201(413) 596-2940 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 7, 2023, Jun 23, 2016 (2 updates tracked since 2016).

About Dr. Gary John Nielan NPPES

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

DR. GARY JOHN NIELAN (NPI 1568458479) is an individual adolescent medicine provider in Wilbraham, Massachusetts, licensed in Massachusetts (155058) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1568458479
Entity TypeIndividualMale
Primary Taxonomy2080A0000X
Provider Legal NameDR. GARY JOHN NIELAN
Location Address2207 BOSTON RDWilbraham, MA 01095-1155
Mailing Address2207 Boston RdWilbraham, MA 01095-1155 · (413) 599-1201 · Fax (413) 596-2940
Phone(413) 599-1201
Fax(413) 596-2940
Sole ProprietorNo
Enumeration DateSeptember 26, 2005
Last NPPES UpdateMarch 7, 20232 updates tracked since enumeration
✔ NPI 1568458479 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Adolescent MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080A0000X
License✔ Licensed in MA · 155058
Definition
A pediatrician who specializes in adolescent medicine is a multi-disciplinary healthcare specialist trained in the unique physical, psychological and social characteristics of adolescents, their healthcare problems and needs.
2207 BOSTON RD, Wilbraham, MA 01095
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Other Identifiers 15

Other2017078Aetna/ushc
Other155058Ma License
Other23378Health New England
Other28036Childrens Medical Securit
Other353451Healthsource Ma Nh
OtherJ18133Bcbs
Other102170Cigna
Other1550588404Connecticare
Medicaid3182916MA
Other1204585United Healthcare
Other155058Tufts
Other975887Network Health
Other010155058MA01Anthem Bcbs
Other201928Harvard Pilgrim
Other000000008141Boston Med Center Health

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 (PECOS)

Dr. Gary John Nielan is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Other Providers at the Same Location NPPES 10

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KIMBERLY ANNE DEWEY MD
Pediatrics (Adolescent Medicine)
2207 BOSTON RD
WILBRAHAM, MA 01095
Hampden County (413) 599-1201
DR. THIRZA C LAREAU M.D.
Pediatrics
2207 BOSTON RD
WILBRAHAM, MA 01095
Hampden County (413) 599-1201
GEORGE FRANK VITEK MD
Pediatrics
2207 BOSTON RD
WILBRAHAM, MA 01095
Hampden County (413) 599-1201
DR. PRIYA SHARMA MALIK M.D., M.P.H
Pediatrics
2207 BOSTON RD
WILBRAHAM, MA 01095
Hampden County (413) 599-1201
JAIME THAYER-AWONIYI
Social Worker (Clinical)
2207 BOSTON RD
WILBRAHAM, MA 01095
Hampden County (413) 995-1201
DR. KIMBERLY JOYAL MARTINS MD
Pediatrics (Adolescent Medicine)
2207 BOSTON RD
WILBRAHAM, MA 01095
Hampden County (413) 599-1201
RACHEL MARY KLUK LMHC
Counselor (Mental Health)
2207 BOSTON RD
WILBRAHAM, MA 01095
Hampden County (413) 599-1201
FRANCESCA M BAJAJ MD
Pediatrics (Adolescent Medicine)
2207 BOSTON RD
WILBRAHAM, MA 01095
Hampden County (413) 599-1201

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 Gary Nielan's NPI number?

The NPI number for Gary Nielan is 1568458479. It was assigned to this individual provider in the NPPES registry on September 26, 2005.

Where is Gary Nielan located?

Gary Nielan practices at 2207 Boston Rd, Wilbraham, MA 01095. The listed phone number is (413) 599-1201.

What is Gary Nielan's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Adolescent Medicine, with taxonomy code 2080A0000X.

Is Gary Nielan enrolled in Medicare?

Yes. Gary Nielan is registered in the Medicare PECOS enrollment system.

What insurance does Gary Nielan accept?

Health plans from Anthem Blue Cross and Blue Shield list Gary Nielan 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 Gary Nielan was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.