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Mass General Brigham Medical Group Western Massachusetts Inc

Group Practice·286 providers

4 W ST, West Hatfield, MA 010889562

10 Locations
12 Specialties
38 Insurance Plans

Contact Mass General Brigham Medical Group Western Massachusetts Inc

(413) 586-8200Get Directions

4 W ST, West Hatfield, MA 010889562

Providers

286

Locations

10

Specialties

12

Insurance Plans

38

About Mass General Brigham Medical Group Western Massachusetts Inc

Background and practice information

Mass General Brigham Medical Group Western Massachusetts INC is a large multi-specialty medical practice based in Northampton, MA, with 286 affiliated healthcare providers practicing across 10 locations.

The practice brings together providers across multiple specialties, including nurse practitioner, physician assistant, family practice, and anesthesiology. Its providers are in-network with 38 insurance plans, though coverage varies by individual provider and should be confirmed before scheduling.

Across its providers, the practice has a solid average Merit-based Incentive Payment System (MIPS) score of 78.9 out of 100, a quality measure published by the Centers for Medicare & Medicaid Services.

Insurance Networks

Accepted insurance plans and networks

Mass General Brigham Medical Group Western Massachusetts Inc accepts 125 plans from 12 insurers, including Cigna, Aetna, Humana.

Az Localflex Excl Ebh And Pathwell
Az Localflex Incl Ebh And Pathwell
Az Localflex Incl Ebh Excl Pathwell
Central Pennsylvania GppoPPO
Chc Of New York Njpcp
Cigna Healthcare Of Mass
Cigna Managed Care Hmo Of NhHMO
Cigna Surefit Central Florida
Cigna Surefit South Florida
Health Care Alliance Of The Front Range
Healthpartners Qualified Network
Indiana Ifp Connect
Indianapolis HmoHMO
Localplus
Localplus Exclude Ebh With Pathwell
Localplus Sar
Localplus With Ebh Plus Pathwell
Metro New York GppoPPO
Metro Ny Seamless Hmo NetworkHMO
Mvp Mohawk Valley Physicians
National OapOAP
National PpoPPO
National Ppo Sar 1PPO
National Ppo Sar IiPPO
New Eng Hmo Hmo Pos SeamlessHMO
New England GppoPPO
Nj Oap Garden StateOAP
Oap Shared Admin RepricingOAP
Pathwell OapOAP
Pathwell PpoPPO
Priority Health Alliance
Rhode Island GppoPPO
Richmond And Northern Va Oap ConnectHMO
Tennesse Connect
West Virginia Southeast Ohio

Source: CMS Transparency in Coverage filings (March 2026). Network participation may change — verify with the provider's office before scheduling.

Quality & Performance

78.9average MIPS quality score (out of 100) across 5 scored providers, per CMS data
Provide Patients Electronic Access to Their Health Information99%★★★★
Documentation of Current Medications in the Medical Record88%★★★★
Diabetes: Medical Attention for Nephropathy81%★★★★
Preventive Care and Screening: Influenza Immunization54%★★★★
e-Prescribing95%★★★☆☆
Pneumococcal Vaccination Status for Older Adults65%★★★☆☆

Specialties at Mass General Brigham Medical Group Western Massachusetts Inc

Provider specialties represented at this practice

Nurse Practitioner49 providers
Physician Assistant42 providers
Family Practice27 providers
Anesthesiology24 providers
Internal Medicine18 providers
Emergency Medicine11 providers
Obstetrics/gynecology10 providers
Hospitalist9 providers
Pulmonary Disease9 providers
Certified Nurse Midwife (cnm)9 providers
Certified Registered Nurse Anesthetist (crna)8 providers
Cardiovascular Disease (cardiology)6 providers

Frequently Asked Questions

Common questions about Mass General Brigham Medical Group Western Massachusetts Inc

How many providers are at Mass General Brigham Medical Group Western Massachusetts INC?

Mass General Brigham Medical Group Western Massachusetts INC has 286 affiliated healthcare providers across 10 locations. You can browse the full provider roster, with specialties and locations, on this page.

What specialties does Mass General Brigham Medical Group Western Massachusetts INC offer?

The practice includes providers in nurse practitioner, physician assistant, family practice, and anesthesiology, among others. Use the specialty filter on the provider list to find a specific type of provider.

What insurance does Mass General Brigham Medical Group Western Massachusetts INC accept?

Providers at Mass General Brigham Medical Group Western Massachusetts INC are collectively in-network with 38 insurance plans. Acceptance varies by individual provider, so confirm your specific plan with the office before your visit.

Does Mass General Brigham Medical Group Western Massachusetts INC have a quality rating?

The practice's providers have an average MIPS quality score of 78.9 out of 100, based on Centers for Medicare & Medicaid Services data. MIPS measures performance across quality, cost, care coordination, and use of health technology.

Where is Mass General Brigham Medical Group Western Massachusetts INC located?

Mass General Brigham Medical Group Western Massachusetts INC's primary location is in Northampton, MA, with 9 additional locations listed on this page. See the contact section for the full address and phone number.

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