GREYLOCK MEDICAL CLINIC
NPI 1972853604
Physician Assistant - Medical in Lanesborough, MA

Active since September 10, 2012CLIA 22D2285640 · Waiver
20 WILLIAMSTOWN RD STE 4, LANESBOROUGH, MA 01237(413) 445-6800(413) 707-4959 Get Directions Write a Review

NPPES record last updated: August 7, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 7, 2023, May 15, 2023, May 4, 2023 and 2 more (5 updates tracked since 2022).

About Greylock Medical Clinic NPPES

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

GREYLOCK MEDICAL CLINIC (NPI 1972853604) is a healthcare organization registered as a medical in Lanesborough, Massachusetts and active in the NPI registry since September 2012. The organization holds a CLIA Waiver certificate valid through July 15, 2027 and lists Jeffrey J Kellogg, President, as its authorized official.

NPPES Registry Identity

NPI1972853604
Entity TypeOrganization
Primary Taxonomy363AM0700X
Legal Business NameBERKSHIRE MOBILE MEDICINE, P.C.
Location Address20 WILLIAMSTOWN RD STE 4Lanesborough, MA 01237-9548
Mailing Address20 Williamstown Rd Ste 4Lanesborough, MA 01237-9548 · (413) 445-6800 · Fax (413) 707-4959
Fax(413) 707-4959
Organization SubpartNo
Authorized OfficialJeffrey J KelloggPresident · (413) 445-6800
Enumeration DateSeptember 10, 2012
Last NPPES UpdateAugust 7, 20235 updates tracked since enumeration
NPPES CertifiedAugust 7, 2023
NPI 1972853604 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPhysician Assistant · MedicalPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363AM0700X
License Licensed in MA · 1520
Also ListedInternal MedicineTaxonomy 207R00000X · License 156843 (MA)
20 WILLIAMSTOWN RD STE 4, Lanesborough, MA 01237

Other Names 1

Doing Business AsGreylock Medical Clinic

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted 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 Waiver 22D2285640

Berkshire Mobile Medicine Dba Greylock Medical · Lanesboro, MA
Active · expires Jul 15, 2027
CLIA Number22D2285640
Laboratory TypePhysician Office
Certificate Effective DateJuly 16, 2025
Certificate Expiration DateJuly 15, 2027
Laboratory DirectorJeffrey Kellogg
Laboratory Phone(413) 445-6800
Laboratory LocationBerkshire Mobile Medicine Dba Greylock Medical20 Williamstown Road, #4, Lanesboro, MA 01237
CLIA data matches this NPI record on: Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Berkshire Mobile Medicine, P.C.'s NPI number?

The NPI number for Berkshire Mobile Medicine, P.C. is 1972853604. It was assigned to this organization in the NPPES registry on September 10, 2012. The provider is doing business as Greylock Medical Clinic.

Where is Berkshire Mobile Medicine, P.C. located?

Berkshire Mobile Medicine, P.C. is located at 20 Williamstown Rd Ste 4, Lanesborough, MA 01237. The listed phone number is (413) 445-6800.

What is Berkshire Mobile Medicine, P.C.'s specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Medical, with taxonomy code 363AM0700X.

Does Berkshire Mobile Medicine, P.C. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 22D2285640) is associated with this NPI, valid through July 15, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Berkshire Mobile Medicine, P.C. accept?

Health plans from Anthem Blue Cross and Blue Shield list Berkshire Mobile Medicine, P.C. 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 Berkshire Mobile Medicine, P.C. was last updated on August 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.