Adam J Chamberlain, MD

Primary specialty

Addiction Medicine (Preventive Medicine) PhysicianTaxonomy code 2083A0300X

License

285475 Issued in MA

Practice address

759 Chestnut St
Springfield, MA 01107-1619

Phone

(413) 794-5555

Fax

(413) 794-9803

NPI assigned

Mar 21, 2017

Last updated

Jan 22, 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

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

Addiction Medicine

Education

Albert Einstein College of Medicine of Yeshiva University, 2017

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Baystate Medical Practices IncGroup PAC ID 5991602971, 1,350 clinicians

Behavioral Health Network IncGroup PAC ID 3072596360, 146 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Baystate Franklin Medical Center Hospital, Greenfield, MA, CCN 220016

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

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.

• Baystate Medical Practices, Inc

  • Emergency Medical Services (Emergency Medicine) Physician
  • Springfield, MA
  • NPI 1548205909
  Medicare reassignment Care Compare group NPD
• Behavioral Health Network Inc

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Springfield, MA
  • NPI 1477582609
  Medicare reassignment Care Compare group NPD
• Valley Medical Group, P.C.

  • Family Medicine Physician
  • Greenfield, MA
  • NPI 1912924705
  Medicare reassignment NPD
• Behavioral Health Network, Inc

  • Methadone Clinic
  • Springfield, MA
  • NPI 1669017653
  NPD
• Valley Medical Group, P.C.

  • Durable Medical Equipment & Medical Supplies
  • Easthampton, MA
  • NPI 1982738118
  NPD

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

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

{
    "created_epoch": "1490054400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769040000000",
    "number": "1790216976",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "280 CHESTNUT STREET",
            "address_2": "2ND FL",
            "city": "SPRINGFIELD",
            "state": "MA",
            "postal_code": "011991001",
            "telephone_number": "413-794-3909",
            "fax_number": "413-794-1629"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "759 CHESTNUT ST",
            "city": "SPRINGFIELD",
            "state": "MA",
            "postal_code": "011071619",
            "telephone_number": "413-794-5555",
            "fax_number": "413-794-9803"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHAMBERLAIN",
        "first_name": "ADAM",
        "middle_name": "J",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-03-21",
        "last_updated": "2026-01-22",
        "certification_date": "2026-01-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2083A0300X",
            "taxonomy_group": "",
            "desc": "Preventive Medicine, Addiction Medicine",
            "state": "MA",
            "license": "285475",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Toni Jean Chahla, M.D.
• Sandipan Chakraborty
• Nandini Chakravarty
• Rajib Chakravarty, M.D.
• Fadi M Chalhoub, M.D.
• Vivian F Chamberlain, FNP-BC
• Andrew Joseph Chambers, DO
• Maria Y Chambers
• Sandy L Chambers
• Tristan Chambers, DO

• Addiction Medicine (Preventive Medicine) Physician in Springfield, MA
• Providers in Springfield, MA by specialty
• Addiction Medicine (Preventive Medicine) Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 22, 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.
• 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.