NPI Portal NPI Lookup & Verification

Pathology Diagnostic Services P.C.

Pathology Diagnostic Services P.C. is a healthcare organization registered as Clinical Pathology/Laboratory Medicine Physician in Ludlow, MA, holding Type 2 (organization) NPI 1285739276 since 2006. The authorized official on file is George Holsten, Ceo.

✓ Active NPI ✓ Valid NPI checksum

NPI 1285739276
Entity type Organization (Type 2)
Legal business name Pathology Diagnostic Services P.C.
Practice address 377 WOODLAND CIRCLE, Ludlow, MA, 01056
Phone 4012546160
Fax 4012546163
Enumeration date 2006-09-14
Last updated in NPPES 2016-03-23

Authorized official

Name George Holsten
Title Ceo
Phone 4012541006

Taxonomy & classification

Taxonomy code Specialty Primary License State
207ZP0105X Clinical Pathology/Laboratory Medicine Physician Secondary
207ZP0102X Anatomic Pathology & Clinical Pathology Physician Secondary 32284 MA
291U00000X Clinical Medical Laboratory Secondary 32284 MA
207ZP0105X Clinical Pathology/Laboratory Medicine Physician Primary 32284 MA

Other identifiers

Identifier Type State Issuer
9760784 Medicaid MA
Copy-ready billing details
Provider: Pathology Diagnostic Services P.C.
NPI: 1285739276
Taxonomy: 207ZP0105X (Clinical Pathology/Laboratory Medicine Physician)
Address: 377 WOODLAND CIRCLE, Ludlow, MA, 01056

Verify this record

Cross-check NPI 1285739276 against the authoritative CMS record: view Pathology Diagnostic Services P.C. on the official NPPES registry .

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.

Frequently asked questions

What is the NPI number for Pathology Diagnostic Services P.C.?
The NPI for Pathology Diagnostic Services P.C. is 1285739276, a Type 2 (organization) record in the CMS NPPES registry.
Who is the authorized official for Pathology Diagnostic Services P.C.?
NPPES lists George Holsten (Ceo) as the authorized official for this organization.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2016-03-23.