Individual provider Active NPI

Diana Marie Mysliwiec, PA

  • Physician Assistant
  • Pittsburgh, PA
National Provider Identifier
1689902322
Registry record updated Sep 22, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
MA054069 Issued in PA
Practice address
4401 Penn Ave
Pittsburgh, PA 15224-1334
Phone
(412) 692-5170
Fax
(412) 864-5810
NPI assigned
Nov 18, 2009
Last updated
Sep 22, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 22, 2026

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 MA054069 PA Primary

Addresses

Primary practice location

4401 Penn Ave
Pittsburgh, PA 15224-1334

Mailing address

4401 Penn Ave
Pittsburgh, PA 15224-1334
Phone (412) 692-5170

Other names 1

  • Diana Marie Dearment Former name

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address dmysliwiec183462@upmc.direct-ci.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
I20100322000052 PA Practitioner - Physician Assistant 3678608213 Reassigns benefits to 1 organization

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
University of Pittsburgh Physicians CurrentSince Mar 19, 2021 Accepting new patients
University of Pittsburgh Physicians CurrentSince Mar 19, 2021 Accepting new patients
Windber Hospital, Inc. Past Accepting new patients
Upmc Emergency Medicine Inc Past Accepting new patients

Locations

2 Hot Metal St
#One
Pittsburgh, PA 15203
Phone (412) 432-5864

300 Halket St
Ste 5200
Pittsburgh, PA 15213
Phone (412) 641-7850

4401 Penn Ave
Pittsburgh, PA 15224
Phone (412) 692-5030

519 Penn Ave
Ste 206
Turtle Creek, PA 15145
Phone (412) 823-3121

Interoperability endpoints

  • Direct secure messaging: dmysliwiec183462@upmc.direct-ci.com

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1258502400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790035200000",
    "number": "1689902322",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4401 PENN AVE",
            "city": "PITTSBURGH",
            "state": "PA",
            "postal_code": "152241334",
            "telephone_number": "412-692-5170",
            "fax_number": "412-864-5810"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4401 PENN AVE",
            "city": "PITTSBURGH",
            "state": "PA",
            "postal_code": "152241334",
            "telephone_number": "412-692-5170",
            "fax_number": "412-864-5810"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MYSLIWIEC",
        "first_name": "DIANA",
        "middle_name": "MARIE",
        "credential": "PA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2009-11-18",
        "last_updated": "2026-09-22",
        "certification_date": "2021-08-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "PA",
            "license": "MA054069",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "dmysliwiec183462@upmc.direct-ci.com",
            "affiliation": "N",
            "address_1": "600 Grant St",
            "address_2": "Floor 58",
            "city": "Pittsburgh",
            "state": "PA",
            "country_code": "US",
            "postal_code": "152192702",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "DIANA",
            "last_name": "DEARMENT",
            "middle_name": "MARIE",
            "credential": "PA-C",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Pittsburgh, PA

Sources for this page

Verify at the official NPI Registry.