Mass General Brigham Medical Group Western Massachusetts Inc

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

Legal business name

MASS GENERAL BRIGHAM MEDICAL GROUP WESTERN MASSACHUSETTS INC

Practice address

30 Locust St
Northampton, MA 01060-2052

Phone

(413) 582-2898

Fax

(413) 582-2958

NPI assigned

May 17, 2006

Last updated

Jun 2, 2025By the provider in NPPES

Organization subpart

No

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name

Lindsay Gainer

Title

President & Coo

Phone

(857) 282-3914

Specialties & licenses 15

Addresses

Other names 1

• CD PRACTICE ASSOCIATES, INC Former legal business name

Medicare fee-for-service enrollment

Enrolled in MA

Enrollment records 1

Other NPIs with the same Medicare PAC ID 1

NPIs whose Medicare enrollments share a PECOS associate control ID (the same enrolled entity).

• Mass General Brigham Medical Group Western Massachusetts Inc

  dba Cooley Dickinson Medical Group

  • Psychiatry Physician
  • Northampton, MA
  • NPI 1942605373

  2567359839

  Same PAC ID

Locations (25 of 39)

Interoperability endpoints

• Direct secure messaging: azam.nasreen.cdh@direct.partners.masshiway.net
• Direct secure messaging: bartus.james.cdh@direct.partners.masshiway.net
• Direct secure messaging: baustin.allan.cdh@direct.partners.masshiway.net
• Direct secure messaging: boshe.catherine.cdh@direct.partners.masshiway.net
• Direct secure messaging: boyce.patrick.cdh@direct.partners.masshiway.net
• Direct secure messaging: bringardner.kirsten.cdh@direct.partners.masshiway.net
• Direct secure messaging: buford.sofia.cdh@direct.partners.masshiway.net
• Direct secure messaging: dacus.jessica.cdh@direct.partners.masshiway.net
• Direct secure messaging: dacus.sean.cdh@direct.partners.masshiway.net
• Direct secure messaging: dealmeida.julia.cdh@direct.partners.masshiway.net
• Direct secure messaging: dumont.charles.cdh@direct.partners.masshiway.net
• Direct secure messaging: earle.morris.cdh@direct.partners.masshiway.net
• Direct secure messaging: eggemeier.sara.cdh@direct.partners.masshiway.net
• Direct secure messaging: elsea.peter.cdh@direct.partners.masshiway.net
• Direct secure messaging: ennis-holcombe.khama.cdh@direct.partners.masshiway.net
• Direct secure messaging: ewall.katharine.cdh@direct.partners.masshiway.net
• Direct secure messaging: fletcher.sarah.cdh@direct.partners.masshiway.net
• Direct secure messaging: flum-stockwell.julia.cdh@direct.partners.masshiway.net
• Direct secure messaging: fowler.casey.cdh@direct.partners.masshiway.net
• Direct secure messaging: gorman.alexis.cdh@direct.partners.masshiway.net

Practitioners 679

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Timothy C Abbott, D.O.

  • Anesthesiology Physician
  • Northampton, MA
  • NPI 1316155294
  Medicare reassignment Care Compare group NPD
• Davies G Agyekum, M.D., PHD

  • Anesthesiology Physician
  • Newton, MA
  • NPI 1134651425
  Medicare reassignment Care Compare group NPD
• Robert Rae Ajello, MD

  • Pulmonary Disease Physician
  • Greenfield, MA
  • NPI 1518930916

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• Elizabeth P. Akoma, MD

  • Anesthesiology Physician
  • Milford, MA
  • NPI 1902049406
  Medicare reassignment Care Compare group NPD
• Lois C Albury, MD

  • Internal Medicine Physician
  • Ludlow, MA
  • NPI 1972580306
  Medicare reassignment Care Compare group NPD
• Evan K Altman, DO

  • Family Medicine Physician
  • Palmer, MA
  • NPI 1760750855
  Medicare reassignment Care Compare group NPD
• Olyn Amanda Andrade, MD

  • Emergency Medicine Physician
  • Northampton, MA
  • NPI 1265008544
  Medicare reassignment Care Compare group NPD
• James A Arcoleo, DO

  • Cardiovascular Disease Physician
  • Greenfield, MA
  • NPI 1407885676
  Medicare reassignment Care Compare group NPD
• Sandeep Arepally, MD

  • Pulmonary Disease Physician
  • Boston, MA
  • NPI 1366738387

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• Aziz A. Ashirov, CRNA

  • Certified Registered Nurse Anesthetist
  • Longmeadow, MA
  • NPI 1295128783
  Medicare reassignment Care Compare group NPD
• Emily M Baecher

  • Physician Assistant
  • Boston, MA
  • NPI 1932538980
  Medicare reassignment Care Compare group NPD
• Miranda Swados Balkin, MD

  • Family Medicine Physician
  • Worthington, MA
  • NPI 1467763581
  Medicare reassignment Care Compare group NPD

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1147824000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1748822400000",
    "number": "1295787919",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "399 REVOLUTION DR",
            "city": "SOMERVILLE",
            "state": "MA",
            "postal_code": "021451484"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "30 LOCUST ST",
            "city": "NORTHAMPTON",
            "state": "MA",
            "postal_code": "010602052",
            "telephone_number": "413-582-2898",
            "fax_number": "413-582-2958"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "MASS GENERAL BRIGHAM MEDICAL GROUP WESTERN MASSACHUSETTS INC",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-05-17",
        "last_updated": "2025-06-02",
        "certification_date": "2025-06-02",
        "status": "A",
        "authorized_official_last_name": "GAINER",
        "authorized_official_first_name": "LINDSAY",
        "authorized_official_title_or_position": "PRESIDENT & COO",
        "authorized_official_telephone_number": "857-282-3914"
    },
    "taxonomies": [
        {
            "code": "207LH0002X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Anesthesiology, Hospice and Palliative Medicine",
            "state": "MA",
            "license": null,
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Family Medicine",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RI0200X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Infectious Disease",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207V00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Obstetrics & Gynecology",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Pediatrics",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "208100000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Physical Medicine & Rehabilitation",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "208200000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Plastic Surgery",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "2085R0204X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Radiology, Vascular & Interventional Radiology",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Surgery",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "213E00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Podiatrist",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "332B00000X",
            "taxonomy_group": "",
            "desc": "Durable Medical Equipment & Medical Supplies",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "CD PRACTICE ASSOCIATES, INC",
            "code": "4",
            "type": "Former Legal Business Name"
        }
    ]
}

• Tarn Carolyn Martin, MSW
• Marta P Martinez Tom, DAOM, LIC AC.
• Emily Martino, MSW, LICSW
• Navneet Marwaha, M.D.
• Mary Pat Roy, MD, LLC
• Mass General Brigham Medical Group Western Massachusetts Inc (Cooley Dickinson Medical Group)
• Christina M Mata, MSW, LICSW
• Henry Arthur Mathieu Jr., MSW
• Anjali Maticke
• Melissa Matos-Auerbach, MD

• Family Medicine Physician in Northampton, MA
• Providers in Northampton, MA by specialty
• Family Medicine Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 2, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.