Marissa Byler

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

SP032593 Issued in PA

Practice address

3333 5TH Ave
Pittsburgh, PA 15213-3165

Phone

(412) 578-6000

NPI assigned

Jun 25, 2025

Sex

Unspecified or another gender identity

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

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.

Specialty

Nurse Practitioner

Education

Other, 2024

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)

Hospital & facility affiliations

• Upmc Mercy Hospital, Pittsburgh, PA, CCN 390028

Medicare enrollment (NPD)

Enrolled

State licenses

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.

• University of Pittsburgh Physicians

  • Gastroenterology Physician
  • Pittsburgh, PA
  • NPI 1619935004
  Care Compare group

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

• Upmc Mercy

  • Psychiatric Hospital Unit
  • Pittsburgh, PA
  • NPI 1225004047
  Care Compare affiliation
• Upmc Mercy

  • Ambulatory Surgical Clinic/Center
  • Pittsburgh, PA
  • NPI 1568526135

  Hospital

  Care Compare affiliation
• Upmc Mercy

  • General Acute Care Hospital
  • Pittsburgh, PA
  • NPI 1881695146
  Care Compare affiliation

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

{
    "created_epoch": "1750809600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750809600000",
    "number": "1487542817",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3333 5TH AVE",
            "city": "PITTSBURGH",
            "state": "PA",
            "postal_code": "152133165"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3333 5TH AVE",
            "city": "PITTSBURGH",
            "state": "PA",
            "postal_code": "152133165",
            "telephone_number": "412-578-6000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BYLER",
        "first_name": "MARISSA",
        "sole_proprietor": "NO",
        "sex": "X",
        "enumeration_date": "2025-06-25",
        "last_updated": "2025-06-25",
        "certification_date": "2025-06-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "PA",
            "license": "SP032593",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Staci J Byfield, RBT
• Emily Byford
• Jeff Byham, LCSW
• Michael Bykowski
• Joshua Go Byland, MD
• Kayla Bylinowski
• Lauren M Bylsma, PHD
• Amy L Byrd, PHD
• Cameron Vance Byrd
• Jalen Byrd, MA

• Family Nurse Practitioner in Pittsburgh, PA
• Providers in Pittsburgh, PA by specialty
• Family Nurse Practitioner in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 25, 2025; 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.