Brett C Hynninen, M.D.

Primary specialty

Physical Medicine & Rehabilitation PhysicianTaxonomy code 208100000X

License

161095 Issued in MA

Practice address

766 N King St Ste 2
Northampton, MA 01060-1143

Phone

(413) 586-0230

Fax

(413) 586-1068

NPI assigned

Jun 12, 2006

Last updated

Jun 25, 2025By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 6

Medicare fee-for-service enrollment

Enrolled in MA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Physical Medicine and Rehabilitation

Education

New York Medical College, 1988

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Pioneer Spine and Sports Physicians PCGroup PAC ID 5991609174, 30 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Cooley Dickinson Hospital Inc,the Hospital, Northampton, MA, CCN 220015
• Baystate Franklin Medical Center Hospital, Greenfield, MA, CCN 220016

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Pioneer Spine and Sports Physicians PC

  • Physical Medicine & Rehabilitation Physician
  • West Springfield, MA
  • NPI 1346282621
  Medicare reassignment Care Compare group
• Mdsine, LLC

  dba Spine Institute of New England

  • Ambulatory Surgical Clinic/Center
  • Springfield, MA
  • NPI 1245450295
  NPD
• Pioneer Spine and Sports Physicians, PC

  • Physical Therapist
  • West Springfield, MA
  • NPI 1346427713
  NPD (past)
• Connecticut Spine and Sports Physicians, Inc.

  • Physical Medicine & Rehabilitation Physician
  • Wallingford, CT
  • NPI 1154363653
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Baystate Franklin Medical Center

  • General Acute Care Hospital
  • Greenfield, MA
  • NPI 1508867391
  Care Compare affiliation
• Cooley Dickinson Hospital Inc

  • General Acute Care Hospital
  • Northampton, MA
  • NPI 1477596310
  Care Compare affiliation
• Cooley Dickinson Hospital Inc

  • Psychiatric Hospital Unit
  • Northampton, MA
  • NPI 1871512814
  Care Compare affiliation

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

{
    "created_epoch": "1150070400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750809600000",
    "number": "1629010947",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "271 PARK ST",
            "city": "WEST SPRINGFIELD",
            "state": "MA",
            "postal_code": "010893311",
            "telephone_number": "413-785-1153",
            "fax_number": "413-781-4951"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "766 N KING ST STE 2",
            "city": "NORTHAMPTON",
            "state": "MA",
            "postal_code": "010601143",
            "telephone_number": "413-586-0230",
            "fax_number": "413-586-1068"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HYNNINEN",
        "first_name": "BRETT",
        "middle_name": "C",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-12",
        "last_updated": "2025-06-25",
        "certification_date": "2025-06-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208100000X",
            "taxonomy_group": "",
            "desc": "Physical Medicine & Rehabilitation",
            "state": "MA",
            "license": "161095",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "3199975",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HARVARD PILGRIM",
            "identifier": "80558",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE",
            "identifier": "0001519",
            "state": "VT"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS",
            "identifier": "J21646",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HNE",
            "identifier": "25255",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "TUFTS",
            "identifier": "406529",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Perry B Huntoon, LCSW
• Lori D Hurwitz
• Tiffani Huynh
• Jennifer A Hydefrost
• Jennifer Jackson Hyder, M.D.
• Francis Nash Iglehart, PH.D.
• In Wellness, LLC
• Jay Hamkins Indik, LICSW
• Tracey Ingle, LICSW
• Inspired Action Inc. (Alchemy Healing Center)

• Physical Medicine & Rehabilitation Physician in Northampton, MA
• Providers in Northampton, MA by specialty
• Physical Medicine & Rehabilitation Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 25, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.