Greylock Medical Clinic | Greylock Medical
Family Medicine • Williamstown, MA
Clinic Type
Family Medicine
Address
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Phone
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Opening Hours
Not published — contact the clinic to confirm hours.
Services Offered
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Insurance & Payment
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Languages Spoken
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Photos
What Patients Say
Overall sentiment across review platforms: very positive
- localitybiz.com: 5 out of 5 stars (Consistently positive reviews noted across sample feedback (all highlighted reviews were 5 stars))
Patients praise
- Professional and personable staff and physician (specifically PA Jeff Kellogg)
- Efficient, organized, and quick service for physicals (DOT, CDL, school)
- Friendly, clean, and welcoming office environment
- Convenient scheduling and accessibility (including Saturday hours)
- Personalized, patient-centered care
Common complaints
- No specific complaints or negative experiences identified in the available public reviews.
"Jeff provides high quality care. He provides a personal touch that is missing from most health care providers."
— Robert Putnam via localitybiz.com"Greylock Medical got us in and seen in just a few days. Clean facility, kind and courteous staff, layed back (but highly professional) atmosphere and free coffee."
— Reviewer via localitybiz.com"Dr Jeffrey Kellogg very professional but also very personable. A great experience all around! I highly recommend Greylock Medical Clinic."
— Gary Clark via localitybiz.comSynthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].
In the News
Information sourced from the clinic's website as of July 11, 2026.
More family medicine clinics in Williamstown
Williamstown Medical is part of Berkshire Health Systems (BHS), a nonprofit healthcare network based in Pittsfield, MA. BHS provides 24/7 emergency care, inpatient and specialty services (including the BMC Cancer Center), urgent care, imaging, lab services, and a broad network of primary and specialty care clinics across Berkshire County. While the highlights list locations in 9 offices across the U.S. (primarily in Massachusetts), Williamstown specifically is not listed as a separate location in the provided details. BHS operates multiple facilities and provider locations in the region, offering comprehensive care through hospitals (Berkshire Medical Center and Fairview Hospital), satellite emergency facilities, BVNA, urgent care, and a 51-location clinic network. If you’re seeking Williamstown-specific services, contact Berkshire Health Systems at 855-855-2000 or 413-447-2000 for exact Williamstown offerings and clinic locations.
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