Individual provider Active NPI

Heidi Ann O'Brien, PA-C

  • Physician Assistant
  • Milford, MA
National Provider Identifier
1417057944
Registry record updated Jan 4, 2016
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
AP 1492 Issued in MA
Practice address
115 Water St
Suite 104
Milford, MA 01757-3015
Phone
(508) 482-5411
Fax
(508) 482-5417
NPI assigned
Sep 24, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 4, 2016

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X AP 1492 MA Primary

Addresses

Primary practice location

115 Water St
Suite 104
Milford, MA 01757-3015

Mailing address

9 Industrial Rd
Suite 5
Milford, MA 01757-3735
Phone (508) 473-1480

Other names 1

  • Heidi Ann Baron Former name

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20040706000108 MA Practitioner - Physician Assistant 2961489232 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2002
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)

115 Water St
Milford, MA 01757-3015

68 A Main St
Medway, MA 02053-1775

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

State licenses

LicenseStateTypeSpecialty
1492MAMDCounselor
AP 1492MAMDPhysician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Umass Memorial Medical Group Inc Physician Assistant CurrentSince Oct 1, 2025 Accepting new patients
Umass Memorial Medical Group, Inc. CurrentSince Oct 1, 2025 Accepting new patients
Milford Regional Physician Group, Inc. CurrentSince Oct 24, 2005 Accepting new patients
Milford Regional Physician Group, Inc. CurrentSince Oct 24, 2005 Accepting new patients
Metrowest Urologic Associates PC Past Accepting new patients

Locations

68A Main St
Ste 101
Medway, MA 02053
Phone (508) 533-6020

9 Industrial Rd
Ste 5
Milford, MA 01757
Phone (508) 473-1480

115 Water St
Ste 104
Milford, MA 01757
Phone (508) 482-5411

100 South St
Southbridge, MA 01550
Phone (508) 764-8012

55 Lake Ave N
Worcester, MA 01655
Phone 508334100048862

Interoperability endpoints

  • FHIR API: https://app.meldrx.com/api/fhir/uc05634_metrowesturologicassoc
  • Direct secure messaging: obrien.heidi.tcma@direct.partners.masshiway.net

Organizations & group practices 5

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.

Hospital & facility affiliations 2

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

NPI Registry JSON

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

{
    "created_epoch": "1159056000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1451865600000",
    "number": "1417057944",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9 INDUSTRIAL RD",
            "address_2": "SUITE 5",
            "city": "MILFORD",
            "state": "MA",
            "postal_code": "017573735",
            "telephone_number": "508-473-1480",
            "fax_number": "508-473-1210"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "115 WATER ST",
            "address_2": "SUITE 104",
            "city": "MILFORD",
            "state": "MA",
            "postal_code": "017573015",
            "telephone_number": "508-482-5411",
            "fax_number": "508-482-5417"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "O'BRIEN",
        "first_name": "HEIDI",
        "middle_name": "ANN",
        "name_prefix": "Mrs.",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-09-24",
        "last_updated": "2016-01-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "MA",
            "license": "AP 1492",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "HEIDI",
            "last_name": "BARON",
            "middle_name": "ANN",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Milford, MA

Sources for this page

Verify at the official NPI Registry.