Sandra L Mostaccio-Sweeney, M.D.

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

N4603 Issued in TX

Practice address

1717 Main St
Suuite 5200
Dallas, TX 75201-4612

Phone

(800) 527-2145

NPI assigned

Jul 21, 2006

Sex

Female

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Other identifiers 4

Other names 1

• Sandra L Mostaccio Former name

Medicare fee-for-service enrollment

Enrolled in FL, TX, NM, WA, CO5 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 5

Specialty

Internal Medicine

Education

Other, 1993

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Em Alliance Texas PLLCGroup PAC ID 4587192430, 88 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Memorial Hospital, the Hospital, Craig, CO, CCN 061314
• Northwest Texas Hospital Hospital, Amarillo, TX, CCN 450209
• HCA Florida South Shore Hospital Hospital, Sun City Center, FL, CCN 100259
• Baptist Neighborhood Hospital Thousand Oaks Hospital, San Antonio, TX, CCN 670078

Merit-based Incentive Payment System (MIPS)

Final score

94.89 of 100Reported as apm

Quality

86.88

Promoting interoperability

100

Improvement activities

40

Merit-based Incentive Payment System (MIPS)

Final score

48.64 of 100Reported as group

Quality

9.4

Improvement activities

40

Cost

82.91

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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 and National Provider Directory roles.

• Em Alliance Texas, PLLC

  • Emergency Medicine Physician
  • Amarillo, TX
  • NPI 1902621329
  Medicare reassignment Care Compare group NPD
• Concord Medical Group of Texas PLLC

  • Emergency Medicine Physician
  • Lubbock, TX
  • NPI 1750790762
  Medicare reassignment NPD
• Victoria Emergency Partners LLC

  • Emergency Medicine Physician
  • Gonzales, TX
  • NPI 1164770996
  Medicare reassignment NPD
• Emergency Medicine Services of FL, LLC

  • Emergency Medicine Physician
  • Aventura, FL
  • NPI 1043917180
  Medicare reassignment NPD
• Las Cruces HB Medical Services LLC

  • Emergency Medicine Physician
  • Las Cruces, NM
  • NPI 1598446171
  Medicare reassignment NPD
• Sound Physicians Emergency Medicine of Washington PLLC

  • Emergency Medicine Physician
  • Sedro Woolley, WA
  • NPI 1629532064
  Medicare reassignment NPD
• The Memorial Hospital

  • Critical Access Hospital
  • Craig, CO
  • NPI 1063418424
  Medicare reassignment NPD
• Third Coast Emergency Physicians Southwest PA

  • Emergency Medicine Physician
  • San Antonio, TX
  • NPI 1497793475
  Medicare reassignment
• The Memorial Hospital

  • Land Ambulance
  • Craig, CO
  • NPI 1669288809
  NPD
• The Memorial Hospital

  • Multi-Specialty Clinic/Center
  • Steamboat Springs, CO
  • NPI 1750958229
  NPD
• Texas Emergency Room Services, PA

  • Emergency Medicine Physician
  • Hondo, TX
  • NPI 1275584781
  NPD (past)
• Inphynet Contracting Services LLC

  • Emergency Medicine Physician
  • Delray Beach, FL
  • NPI 1073556767
  NPD (past)

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

• Emerus BHS Sa Thousand Oaks LLC

  • General Acute Care Hospital
  • San Antonio, TX
  • NPI 1114473329
  Care Compare affiliation
• Emerus BHS Sa Thousand Oaks LLC

  • General Acute Care Hospital
  • San Antonio, TX
  • NPI 1275235426
  Care Compare affiliation
• Emerus BHS Sa Thousand Oaks LLC

  • General Acute Care Hospital
  • San Antonio, TX
  • NPI 1598560997
  Care Compare affiliation
• Emerus BHS Sa Thousand Oaks, LLC

  • General Acute Care Hospital
  • San Antonio, TX
  • NPI 1205189172
  Care Compare affiliation
• Emerus BHS Sa Thousand Oaks, LLC

  • General Acute Care Hospital
  • San Antonio, TX
  • NPI 1205382413
  Care Compare affiliation
• Emerus BHS Sa Thousand Oaks, LLC

  • General Acute Care Hospital
  • San Antonio, TX
  • NPI 1225381197
  Care Compare affiliation
• Emerus BHS Sa Thousand Oaks, LLC

  • General Acute Care Hospital
  • San Antonio, TX
  • NPI 1477805406
  Care Compare affiliation
• Emerus BHS Sa Thousand Oaks, LLC

  • General Acute Care Hospital
  • Schertz, TX
  • NPI 1639422504
  Care Compare affiliation
• Emerus BHS Sa Thousand Oaks, LLC

  • General Acute Care Hospital
  • San Antonio, TX
  • NPI 1669752234
  Care Compare affiliation
• Emerus BHS Sa Thousand Oaks, LLC

  • General Acute Care Hospital
  • San Antonio, TX
  • NPI 1841844735
  Care Compare affiliation
• Northwest Texas Healthcare System Inc

  • General Acute Care Hospital
  • Amarillo, TX
  • NPI 1467442418
  Care Compare affiliation
• Sun City Hospital Inc

  • General Acute Care Hospital
  • Sun City Center, FL
  • NPI 1164476867
  Care Compare affiliation

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

{
    "created_epoch": "1153440000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785196800000",
    "number": "1689695199",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 1721",
            "city": "HELOTES",
            "state": "TX",
            "postal_code": "780231721"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1717 MAIN ST",
            "address_2": "SUUITE 5200",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752014612",
            "telephone_number": "800-527-2145"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "35 Medical Center Pkwy",
            "address_purpose": "LOCATION",
            "city": "Augusta",
            "state": "ME",
            "postal_code": "043308160",
            "country_code": "US",
            "telephone_number": "207-248-5000",
            "fax_number": "207-626-1648",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MOSTACCIO-SWEENEY",
        "first_name": "SANDRA",
        "middle_name": "L",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-07-21",
        "last_updated": "2026-07-28",
        "certification_date": "2026-07-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "WA",
            "license": "MD60166404",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "TX",
            "license": "N4603",
            "primary": true
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "ME",
            "license": "MD30717",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "FLORIDA",
            "identifier": "ME0070000",
            "state": "FL"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "LICENSE",
            "identifier": "N4603",
            "state": "TX"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "LICENSE",
            "identifier": "DR75934",
            "state": "CO"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "LICENSE",
            "identifier": "MD60166404",
            "state": "WA"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "SANDRA",
            "last_name": "MOSTACCIO",
            "middle_name": "L",
            "credential": "M.D.",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

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• Emergency Medicine Physician in Dallas, TX
• Providers in Dallas, TX by specialty
• Emergency Medicine Physician in Texas

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