Stephanie Mrowka Willing, PA

Primary specialty

Medical Physician AssistantTaxonomy code 363AM0700X

License

017751 Issued in NY

Practice address

601 Elmwood Ave
Rochester, NY 14642-4122

Phone

(585) 275-2100

NPI assigned

Jul 22, 2014

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other names 1

• Stephanie Summa Former name

Electronic endpoints 2

Medicare fee-for-service enrollment

Enrolled in NY

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

Specialty

Physician Assistant

Education

Other, 2014

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Pulmonary Disease Clinical GroupGroup PAC ID 6608821657, 65 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Strong Memorial Hospital Hospital, Rochester, NY, CCN 330285

Merit-based Incentive Payment System (MIPS)

Final score

94.17 of 100Reported as group

Quality

67.49

Promoting interoperability

100

Improvement activities

40

Cost

79.73

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

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.

• Pulmonary Disease Clinical Group

  • Pulmonary Disease Physician
  • Rochester, NY
  • NPI 1881641652
  Medicare reassignment Care Compare group
• University of Rochester

  • Internal Medicine Physician
  • Rochester, NY
  • NPI 1710226824
  Medicare reassignment NPD
• The Unity Hospital of Rochester

  • General Acute Care Hospital
  • Rochester, NY
  • NPI 1760421713
  Medicare reassignment
• Acute Care Trauma of the University of Rochester

  • Surgical Critical Care Physician
  • Rochester, NY
  • NPI 1851754634
  NPD
• Cardiac Surgery of the University of Rochester

  • Surgical Critical Care Physician
  • Rochester, NY
  • NPI 1689023277
  NPD
• The Unity Hospital of Rochester

  • General Acute Care Hospital
  • Rochester, NY
  • NPI 1457395766
  NPD
• University of Rochester

  • Community/Retail Pharmacy
  • Rochester, NY
  • NPI 1598476269
  NPD

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

• University of Rochester

  • General Acute Care Hospital
  • Rochester, NY
  • NPI 1346285657
  Care Compare affiliation
• University of Rochester

  • General Acute Care Hospital
  • Rochester, NY
  • NPI 1669126090
  Care Compare affiliation

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

{
    "created_epoch": "1405987200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769040000000",
    "number": "1578970570",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "601 ELMWOOD AVE",
            "city": "ROCHESTER",
            "state": "NY",
            "postal_code": "146420002",
            "telephone_number": "585-275-2100",
            "fax_number": "585-723-7871"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "601 ELMWOOD AVE",
            "city": "ROCHESTER",
            "state": "NY",
            "postal_code": "146424122",
            "telephone_number": "585-275-2100"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1555 Long Pond Rd",
            "address_2": "Department of Medicine",
            "address_purpose": "LOCATION",
            "city": "Rochester",
            "state": "NY",
            "postal_code": "146264122",
            "country_code": "US",
            "telephone_number": "585-723-7870",
            "fax_number": "585-723-7871",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WILLING",
        "first_name": "STEPHANIE",
        "middle_name": "MROWKA",
        "credential": "PA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-07-22",
        "last_updated": "2026-01-22",
        "certification_date": "2026-01-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363AM0700X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Medical",
            "state": "NY",
            "license": "17751",
            "primary": false
        },
        {
            "code": "363AM0700X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Medical",
            "state": "NY",
            "license": "017751",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "ssumma87194@direct.urmc.rochester.edu",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "OTHER",
            "address_1": "601 Elmwood Ave",
            "city": "Rochester",
            "state": "NY",
            "country_code": "US",
            "postal_code": "146420001",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "ssumma87194@direct.urmc.rochester.edu",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "OTHER",
            "address_1": "601 Elmwood Ave",
            "city": "Rochester",
            "state": "NY",
            "country_code": "US",
            "postal_code": "146420001",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "STEPHANIE",
            "last_name": "SUMMA",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Lauren O Williamson, PA-C
• Mary A Williamson, PHD
• Melissa Williamson, MSW
• Zachary Daniel Williamson, DO
• Daniel J Williford, M.D.
• Jeffrey A Willis, PA
• Lakeisha Deon Willis
• Lisa Kerri Willis, PHD
• Misty Lynn Willis, FNP
• Jennifer Louise Willison, R.N. N.P.

• Medical Physician Assistant in Rochester, NY
• Providers in Rochester, NY by specialty
• Medical Physician Assistant in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 22, 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.