Individual provider Active NPI

Mary Greathouse, PMHNP-BC

  • Psychiatric/Mental Health Nurse Practitioner
  • Pittsburgh, PA
National Provider Identifier
1235982406
Registry record updated Dec 21, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X
License
SP029562 Issued in PA
Practice address
200 Lothrop St
Pittsburgh, PA 15213-2536
Phone
(412) 647-2345
NPI assigned
Apr 8, 2024
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 21, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatric/Mental Health Nurse Practitioner 363LP0808X SP029562 PA Primary

Addresses

Primary practice location

200 Lothrop St
Pittsburgh, PA 15213-2536

Mailing address

325 Tampa Ave
Pittsburgh, PA 15228-2418
Phone (412) 215-1373

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address upmchospitals@upmcdirect.com

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in PA
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
I20260129001692 PA Practitioner - Nurse Practitioner 8022596295 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2023
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
University of Pittsburgh PhysiciansGroup PAC ID 8729990239, 4,166 clinicians

Practice addresses (Care Compare)

200 Lothrop St
Pittsburgh, PA 15213-2536

3811 Ohara St
Pittsburgh, PA 15213-2561
Phone (412) 624-1000

815 Freeport Rd
Pittsburgh, PA 15215-3301
Phone (412) 383-3200

9100 Babcock Blvd
Pittsburgh, PA 15237-5815
Phone (412) 367-6700

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
SP029562PAMDPsychiatric/Mental Health Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
University of Pittsburgh Physicians CurrentSince Dec 9, 2025 Accepting new patients
University of Pittsburgh Physicians CurrentSince Dec 9, 2025 Accepting new patients

Locations

3811 Ohara St
Pittsburgh, PA 15213
Phone (412) 624-2000

1000 Bower Hill Rd
Pittsburgh, PA 15243
Phone (412) 344-6600

200 Lothrop St
Pittsburgh, PA 15213
Phone (412) 647-3553

Organizations & group practices 3

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 11

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": "1712534400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1766275200000",
    "number": "1235982406",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "325 TAMPA AVE",
            "city": "PITTSBURGH",
            "state": "PA",
            "postal_code": "152282418",
            "telephone_number": "412-215-1373"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "200 LOTHROP ST",
            "city": "PITTSBURGH",
            "state": "PA",
            "postal_code": "152132536",
            "telephone_number": "412-647-2345"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GREATHOUSE",
        "first_name": "MARY",
        "credential": "PMHNP-BC",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2024-04-08",
        "last_updated": "2025-12-21",
        "certification_date": "2025-12-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "PA",
            "license": "SP029562",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "upmchospitals@upmcdirect.com",
            "affiliation": "N",
            "address_1": "200 Lothrop St",
            "city": "Pittsburgh",
            "state": "PA",
            "country_code": "US",
            "postal_code": "152132536",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Pittsburgh, PA

Sources for this page

Verify at the official NPI Registry.