Charles K. Brummer, M.D.

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

052204 Issued in MA

Practice address

94 King St
Northampton, MA 01060-3284

Phone

(413) 585-8880

Fax

(413) 585-8879

NPI assigned

Jan 23, 2006

Last updated

Jul 13, 2026By 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 2

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

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.

Opted out of Medicare

Previously, effective Oct 1, 2012 through Oct 1, 2026

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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

{
    "created_epoch": "1137974400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1730159963",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "94 KING ST",
            "city": "NORTHAMPTON",
            "state": "MA",
            "postal_code": "010603284",
            "telephone_number": "413-585-8880",
            "fax_number": "413-585-8879"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "94 KING ST",
            "city": "NORTHAMPTON",
            "state": "MA",
            "postal_code": "010603284",
            "telephone_number": "413-585-8880",
            "fax_number": "413-585-8879"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BRUMMER",
        "first_name": "CHARLES",
        "middle_name": "K.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-01-23",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "MA",
            "license": "052204",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE CROSS AND BLUE SHIEL",
            "identifier": "J02865",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "TUFTS HEALTH PLAN",
            "identifier": "771181",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Frances Brown
• Greenlee Brown, LCSW
• Margaret Ellen Brown, MA EDUCATION
• Agnes Browne, PSY.D.
• Brooke Brownell
• Richard Peter Brunswick, M.D.
• Jennifer Bryan, PH.D.
• Rebecca Bryer
• Tristyn Buck, RN
• Charley William Buckley

• 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 Jul 13, 2026; 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; Opt Out Affidavits.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.