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DR. JAMES HAINES & DR. WILLIAM BELCASTRO, PTR.
NPI 1124027834
Internal Medicine in Springfield, MA

Active since July 15, 2005
299 CAREW ST, SUITE 322, SPRINGFIELD, MA 01104(413) 737-2371(413) 788-7829 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 21, 2022, Aug 22, 2020 (2 updates tracked since 2020).

About Dr. James Haines & Dr. William Belcastro, Ptr. NPPES

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

DR. JAMES HAINES & DR. WILLIAM BELCASTRO, PTR. (NPI 1124027834) is a healthcare organization registered as an internal medicine in Springfield, Massachusetts and active in the NPI registry since July 2005. The organization lists Suzette M Grych, Office Manager, as its authorized official.

NPPES Registry Identity

NPI1124027834
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameDR. JAMES HAINES & DR. WILLIAM BELCASTRO, PTR.
Location Address299 CAREW ST, SUITE 322Springfield, MA 01104-2301
Mailing Address299 Carew St, Suite 322Springfield, MA 01104-2301 · (413) 737-2371 · Fax (413) 788-7829
Phone(413) 737-2371
Fax(413) 788-7829
Organization SubpartNo
Authorized OfficialSuzette M GrychOffice Manager · (413) 737-2371
Enumeration DateJuly 15, 2005
Last NPPES UpdateJuly 21, 20222 updates tracked since enumeration
✔ NPI 1124027834 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
299 CAREW ST, Springfield, MA 01104
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Other Identifiers 2

OtherCE3089Railroad Medicare
Other670286MA · Tufts Health Plan

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Compliance 22D0067532

James Haines MD & William Belcastro MD · Springfield, MA
Expired · Jul 24, 2026
CLIA Number22D0067532
Laboratory TypePhysician Office
Certificate Effective DateJuly 25, 2024
Certificate Expiration DateJuly 24, 2026
Laboratory DirectorDr. William J. Belcastro
Laboratory Phone(413) 737-2371
Laboratory LocationJames Haines MD & William Belcastro MD299 Carew Street, Ste 322, Springfield, MA 01104
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

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.

REGINA KRUCZYNSKA M.D.
Pediatrics (Adolescent Medicine)
299 CAREW ST
SPRINGFIELD, MA 01104
Hampden County (413) 734-6461
DR. SAVVAS PAPAZOGLOU MD
Specialist
299 CAREW ST, SUITE 319
SPRINGFIELD, MA 01104
Hampden County (413) 734-2540
DR. MAGDALENA CZERKAWSKA-ZYDZIK M.D.
Pediatrics (Adolescent Medicine)
299 CAREW ST, SUITE 210
SPRINGFIELD, MA 01104
Hampden County (413) 732-5580
BRUCE R DZIURA MD
Pathology (Anatomic Pathology)
299 CAREW ST
SPRINGFIELD, MA 01104
Hampden County (413) 748-9513
ANDREW S JUSKO MD PC
Ophthalmology
299 CAREW ST, SUITE 201
SPRINGFIELD, MA 01104
Hampden County (413) 736-1833
THE MERCY HOSPITAL INC
Pharmacy (Community/Retail Pharmacy)
299 CAREW ST
SPRINGFIELD, MA 01104
Hampden County (413) 452-6377
PEDIATRIC CARE ASSOCIATES, P.C.
Pediatrics
299 CAREW ST, STE. 234
SPRINGFIELD, MA 01104
Hampden County (413) 732-5580
DR. STEVEN B HOLSTEN MD
Orthopaedic Surgery
299 CAREW ST, SUITE 409
SPRINGFIELD, MA 01104
Hampden County (413) 734-3476

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 Dr. James Haines & Dr. William Belcastro, Ptr.'s NPI number?

The NPI number for Dr. James Haines & Dr. William Belcastro, Ptr. is 1124027834. It was assigned to this organization in the NPPES registry on July 15, 2005.

Where is Dr. James Haines & Dr. William Belcastro, Ptr. located?

Dr. James Haines & Dr. William Belcastro, Ptr. is located at 299 Carew St Suite 322, Springfield, MA 01104. The listed phone number is (413) 737-2371.

What is Dr. James Haines & Dr. William Belcastro, Ptr.'s specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

What insurance does Dr. James Haines & Dr. William Belcastro, Ptr. accept?

Health plans from Anthem Blue Cross and Blue Shield list Dr. James Haines & Dr. William Belcastro, Ptr. 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 Dr. James Haines & Dr. William Belcastro, Ptr. was last updated on July 21, 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.