Western Mass Primary Care Practices | Mass General Brigham

Internal Medicine • West Springfield, MA

Home/West Springfield/Internal Medicine/Western Mass Primary Care Practices | Mass General Brigham

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Clinic Type

Internal Medicine (multi-location group)

Address

40 Turkey Hill Road, Belchertown, MA 01007; 234 Russell Street, Hadley, MA 01035; 22 Atwood Drive, Northampton, MA 01060; 15 Atwood Drive, Northampton, MA 01060; 29 Elm Street, South Deerfield, MA 01373; 14 Williams Street, Williamsburg, MA 01096

Phone

413-582-2001

Email

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Opening Hours

Not published — contact the clinic to confirm hours.

Website

https://www.cooleydickinson.org/programs-services/primary-care/

Services Offered

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Insurance & Payment

Billing, Financial & Insurance (link)
insurances accepted information not specifically listed for each practice on this page; refer to individual practice pages or billing section

Not specified on this page; see Billing & Insurance section or individual practice pages

Languages Spoken

English (implicit), not explicitly listed per location on this page

FAQs

Preventative Health Exam Billing Information

Please review this important billing information prior to your visit. (link provided on page)

How can I contact a primary care provider referral center?

If you do not have a Primary Care Provider, we can help you find one! Call our Physician Referral Center at 413-582-2001.

What locations are available for primary care?

Amherst Medical Associates; Belchertown Internal Medicine; Hadley Family Medicine; Northampton Family Medicine; Oxbow Primary Care; South Deerfield Family Medicine; Williamsburg Internal Medicine; plus others listed in linked pages.

Social Media

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Photos

What Patients Say

Overall sentiment across review platforms: positive

Mass General Brigham Physician Profile (Dr. Dacus): 4.8/5 (253 ratings, 84 reviews)
Mass General Brigham Physician Profile (Dr. Parsons): 4.9/5 (496 ratings, 181 reviews)
Mass General Brigham Physician Profile (Dr. Tsongalis): 4.8/5 (357 ratings, 140 reviews)
Mass General Brigham Physician Profile (Dr. Balkin): 4.7/5 (185 ratings, 69 reviews)

Patients praise

Compassionate and attentive care
Thorough communication and clear explanations
Highly professional and knowledgeable providers
Trustworthy and reliable relationships with long-term patients

Common complaints

Delays in communication and appointment scheduling
Challenges with follow-up on medical documentation (e.g., work notes, referrals)
Billing and insurance-related issues

"Dr. Balkin is knowledgeable and thorough. Takes the time needed to diagnose the problem. ... She is friendly, attentive, explains things clearly, follows up, and never makes me feel rushed."

— Mass General Brigham patient review

"Dr parsons always takes his time with me. Addresses my concerns and is extremely helpful and professional. I have full confidence in him that I am well cared for."

— Mass General Brigham patient review

"Dr. Tsongalis is the best PCP I've ever had. He is professional, knowledgeable, competent, and respectful. I trust him completely."

— Mass General Brigham patient review

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 11, 2026. Own this clinic? Claim or correct this listing.