Marybeth U. Allian-Sauer, MD

Primary specialty

Hospitalist PhysicianTaxonomy code 208M00000X

License

277841 Issued in MA

Practice address

101 Page St
New Bedford, MA 02740-3464

Phone

(508) 973-5919

Fax

(508) 973-2916

NPI assigned

Jan 26, 2007

Last updated

Aug 27, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 6

Addresses

Other identifiers 2

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in NH, ME, MA3 enrollments

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 3

Specialty

HospitalistAlso: Internal Medicine

Education

Perelman School of Med at the University of Pennsylvania, 2000

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Sound Physicians of Massachusetts IncGroup PAC ID 2062554637, 69 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Signature Healthcare Brockton Hospital Hospital, Brockton, MA, CCN 220052

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations (25 of 26)

Interoperability endpoints

• FHIR API: https://fhir-myrecord.cerner.com/r4/4517c430-03bf-4e32-b324-1387cc4e73f3/
• Direct secure messaging: malliansauer47175@direct.southcoast.org

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.

• Sound Physicians of Massachusetts Inc

  dba Sound Physicians

  • Internal Medicine Physician
  • Brockton, MA
  • NPI 1740678408
  Medicare reassignment Care Compare group NPD
• Cambridge Public Health Commission

  dba Cambridge Health Alliance

  • General Acute Care Hospital
  • Cambridge, MA
  • NPI 1932313228
  Medicare reassignment NPD
• Hospitalist Physicians of Massachusetts PC

  • Hospitalist Physician
  • Framingham, MA
  • NPI 1376145680

  Internal Medicine

  Medicare reassignment NPD
• Massachusetts Acute Care Specialists PC

  • Internal Medicine Physician
  • Melrose, MA
  • NPI 1306134812
  Medicare reassignment NPD
• Sound Physicians of Massachusetts II PC

  • Internal Medicine Physician
  • Brockton, MA
  • NPI 1306376397
  Medicare reassignment NPD
• Southcoast Physicians Group, Inc.

  • Family Medicine Physician
  • Fairhaven, MA
  • NPI 1336137629

  Internal Medicine

  Medicare reassignment NPD
• Apogee Medical Group Maine PC

  • Internal Medicine Physician
  • Bangor, ME
  • NPI 1659152742
  Medicare reassignment NPD
• Apogee Medical Group New Hampshire PC

  • Internal Medicine Physician
  • Nashua, NH
  • NPI 1154102242
  Medicare reassignment NPD
• Central Maine Medical Center

  • General Acute Care Hospital
  • Lewiston, ME
  • NPI 1689653487
  Medicare reassignment NPD
• Hospital Medicine Services of Maine LLC

  • Hospitalist Physician
  • Ellsworth, ME
  • NPI 1538638432
  Medicare reassignment NPD
• Hospital Medicine Services of NH, LLC

  • Hospitalist Physician
  • Derry, NH
  • NPI 1548967607
  Medicare reassignment NPD
• Maine Medical Services LLC

  • Hospitalist Physician
  • Ellsworth, ME
  • NPI 1053878371

  Internal Medicine

  Medicare reassignment NPD

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

• Brockton Hospital, Inc.

  dba Signature Healthcare Brockton Hospital

  • General Acute Care Hospital
  • Brockton, MA
  • NPI 1063431286
  Care Compare affiliation

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

{
    "created_epoch": "1169769600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787788800000",
    "number": "1477609055",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "200 MILL RD STE 180",
            "city": "FAIRHAVEN",
            "state": "MA",
            "postal_code": "027195255",
            "telephone_number": "508-973-2000",
            "fax_number": "508-973-2001"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "101 PAGE ST",
            "city": "NEW BEDFORD",
            "state": "MA",
            "postal_code": "027403464",
            "telephone_number": "508-973-5919",
            "fax_number": "508-973-2916"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "680 Centre St",
            "address_purpose": "LOCATION",
            "city": "Brockton",
            "state": "MA",
            "postal_code": "023023308",
            "country_code": "US",
            "telephone_number": "508-941-7299",
            "fax_number": "508-941-6299",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ALLIAN-SAUER",
        "first_name": "MARYBETH",
        "middle_name": "U.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-01-26",
        "last_updated": "2026-08-27",
        "certification_date": "2026-08-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CO",
            "license": "44742",
            "primary": false
        },
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "CO",
            "license": "44742",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "MI",
            "license": "4301517593",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "CO",
            "license": "DR.0044742",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "NY",
            "license": "320642",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "MA",
            "license": "277841",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "110152981A",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE PTAN",
            "identifier": "S400580236",
            "state": "MA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "malliansauer47175@direct.southcoast.org",
            "affiliation": "N",
            "endpointDescription": "Southcoast Health Epic Direct Address",
            "address_1": "101 Page St",
            "city": "New Bedford",
            "state": "MA",
            "country_code": "US",
            "postal_code": "027403464",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

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• Hospitalist Physician in New Bedford, MA
• Providers in New Bedford, MA by specialty
• Hospitalist Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 27, 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.