Mary C O'Brien, M.D.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

79570 Issued in MA

Practice address

604 Main St
Shrewsbury, MA 01545-5663

Phone

(508) 842-0057

NPI assigned

Nov 29, 2005

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

Other identifiers 1

Electronic endpoints 2

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

Internal Medicine

Education

State University of New York at Stony Brook, School of Medicine, 1991

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Umass Memorial Medical Group IncGroup PAC ID 4284539891, 2,494 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Vna Care Network Home health agency, Worcester, MA, CCN 227098
• Umass Memorial Medical Center/University Campus Hospital, Worcester, MA, CCN 220163
• Marlborough Hospital Hospital, Marlborough, MA, CCN 220049
• Umass Memorial Healthalliance Hospitals Hospital, Leominster, MA, CCN 220001
• Umass Memorial Health - Harrington Hospital Hospital, Southbridge, MA, CCN 220019

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mary.o.brien.1@20124.direct.athenahealth.com
• Direct secure messaging: mobrien23425@umassmemorial.direct-ci.com

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.

• Umass Memorial Medical Group Inc

  • Internal Medicine Physician
  • Worcester, MA
  • NPI 1760445373
  Medicare reassignment Care Compare group NPD
• Umass Memorial Medical Group, Inc.

  • Urgent Care Clinic/Center
  • Oxford, MA
  • NPI 1982381018
  NPD

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

• Marlborough Hospital Corp

  • Registered Dietitian
  • Marlborough, MA
  • NPI 1104488170

  Hospital

  Care Compare affiliation Name & address match
• Umass Memorial Health-Harrington Hospital Inc

  • General Acute Care Hospital
  • Southbridge, MA
  • NPI 1790780047
  Care Compare affiliation
• Umass Memorial Healthalliance Clinton Hospital Inc

  • General Acute Care Hospital
  • Leominster, MA
  • NPI 1013995133
  Care Compare affiliation
• Umass Memorial Healthalliance Clinton Hospital Inc

  • Psychiatric Hospital Unit
  • Clinton, MA
  • NPI 1285171934
  Care Compare affiliation
• Umass Memorial Medical Center, Inc.

  • General Acute Care Hospital
  • Worcester, MA
  • NPI 1831151455
  Care Compare affiliation
• Vna Care Network, Inc.

  • Home Health Agency
  • Worcester, MA
  • NPI 1922002286
  Care Compare affiliation

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

{
    "created_epoch": "1133222400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1606262400000",
    "number": "1912980434",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 415348",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022415348"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "604 MAIN ST",
            "city": "SHREWSBURY",
            "state": "MA",
            "postal_code": "015455663",
            "telephone_number": "508-842-0057"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "O'BRIEN",
        "first_name": "MARY",
        "middle_name": "C",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-11-29",
        "last_updated": "2020-11-25",
        "certification_date": "2020-11-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "79570",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "3124177",
            "state": "MA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mobrien23425@UmassMemorial.direct-ci.com",
            "affiliation": "N",
            "address_1": "604 Main St",
            "city": "Shrewsbury",
            "state": "MA",
            "country_code": "US",
            "postal_code": "015455663",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0978.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "604 Main St",
            "city": "Shrewsbury",
            "state": "MA",
            "country_code": "US",
            "postal_code": "015455663",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Bridget Nowosacki, OTR/L
• Sheila A. Nowosacki, LCSW
• Tara Noyes-Newcombe, AUD
• Dianne Lucey O'Brien, MED.,P.T.
• Lauren O'Brien, LMHC
• Patricia O'Connor, BCBA
• Caitlin O'Herron, PT, DPT
• Gwenn S O'Keeffe, M.D.
• Oak Street Physical Therapy
• Lori Ann Odell, RN

• Internal Medicine Physician in Shrewsbury, MA
• Providers in Shrewsbury, MA by specialty
• Internal Medicine Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 25, 2020; 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.