Maureen L Callahan, NP

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

RN2266823 Issued in MA

Practice address

325B King St
Northampton, MA 01060-2370

Phone

(413) 794-2273

Fax

(413) 387-4136

NPI assigned

Aug 22, 2025

Sex

Female

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: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Nurse Practitioner

Education

Other, 2025

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

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

Practice addresses (Care Compare)

Hospital & facility affiliations

• Baystate Medical Center Hospital, Springfield, MA, CCN 220077

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

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

• Baystate Medical Practices, Inc

  • Emergency Medical Services (Emergency Medicine) Physician
  • Springfield, MA
  • NPI 1548205909
  Medicare reassignment Care Compare group

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

• Baystate Medical Center Inc

  • General Acute Care Hospital
  • Springfield, MA
  • NPI 1487655064
  Care Compare affiliation
• Baystate Medical Center Inc

  • Clinical Medical Laboratory
  • Springfield, MA
  • NPI 1568488450

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1755820800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779926400000",
    "number": "1497633036",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "280 CHESTNUT ST FL 2",
            "city": "SPRINGFIELD",
            "state": "MA",
            "postal_code": "011991001",
            "telephone_number": "413-794-5700"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "325B KING ST",
            "city": "NORTHAMPTON",
            "state": "MA",
            "postal_code": "010602370",
            "telephone_number": "413-794-2273",
            "fax_number": "413-387-4136"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CALLAHAN",
        "first_name": "MAUREEN",
        "middle_name": "L",
        "credential": "NP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-08-22",
        "last_updated": "2026-05-28",
        "certification_date": "2026-05-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "MA",
            "license": "RN2266823",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Cabslp, Inc
• Cadence Behavioral & Therapeutic Services LLC
• Kathryn May Cadwgan, L.AC.
• Karen Marie Cahalane, M.A. CCC-SLP
• Thea N Calkins, MD
• James Callaway, PTA
• Joseph Cammarata
• Mary Anne Campbell
• Stephanie Renee Campbell
• Patricia Ann Canestro, MASTERS IN COUSELING

• Family Nurse Practitioner in Northampton, MA
• Providers in Northampton, MA by specialty
• Family Nurse Practitioner in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 28, 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.