Western Mass Primary Care Practices | Mass General Brigham
Internal Medicine • West Springfield, MA
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
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Opening Hours
Not published — contact the clinic to confirm hours.
Services Offered
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Insurance & Payment
Not specified on this page; see Billing & Insurance section or individual practice pages
Languages Spoken
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
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
- Mass General Brigham Physician Profile (Dr. Tsongalis): 4.8/5
- 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 reviewSynthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].
In the News
- Baystate Primary Care and Pediatrics - Springfield
- Kathleen A. Haughton, NP - Nurse Practitioner in West Springfield, MA — May 14, 2026
- Dr. Kinga K Pluta, MD - Hadley, MA - Internal Medicine, Pediatrics — May 2, 2026
- WMass primary care practice enters new partnership to remain independent and viable | New England Public Media — Dec 29, 2025
- Family Medicine Associates | Primary Care in Westfield, MA — Dec 19, 2025
Information sourced from the clinic's website as of July 11, 2026.
More internal medicine clinics in West Springfield
Baystate Health provides a searchable directory to find primary care providers and specialists within its western Massachusetts network, including Baystate Medical Practices. You can search by condition, symptom, specialty, or physician name to locate providers and make appointments. The page lists two Baystate Health offices: 780 Chestnut St, Springfield, MA 01107 and 115 W Silver St Ste 115, Westfield, MA 01040. If you’re looking for West Side Adult Medicine in West Springfield, use the provider search to locate the corresponding Baystate clinicians or clinics serving that area and proceed to book an appointment.
Comparing your options?
See other internal medicine clinics in West Springfield, or search the full directory by insurance, ratings, and more.

