Tessa Rae Barclay, MD

Primary specialty

Pediatric Infectious Diseases PhysicianTaxonomy code 2080P0208X

License

MD489660 Issued in PA

Practice address

3601 5TH Ave BLDG Suite700
Pittsburgh, PA 15213-3403

Phone

(412) 647-7228

NPI assigned

Apr 1, 2019

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

Medicare fee-for-service enrollment

Enrolled in PA, AZ, MN3 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 3

Specialty

Pediatric MedicineAlso: Infectious Disease

Education

University of Vermont College of Medicine, 2019

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: tbarclay253738@directhisp.wakemed.org

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
  Medicare reassignment NPD
• Banner Physician Super Specialists Arizona LLC

  • Multi-Specialty Clinic/Center
  • Phoenix, AZ
  • NPI 1841573870
  Medicare reassignment NPD
• Gillette Children'S Specialty Healthcare

  • Multi-Specialty Clinic/Center
  • St. Paul, MN
  • NPI 1225119175
  Medicare reassignment
• University of Pittsburgh Physicians

  • Diagnostic Radiology Physician
  • Pittsburgh, PA
  • NPI 1285692699
  NPD
• Univesity of Pittsburgh Physicians

  • Infectious Disease Physician
  • Pittsburgh, PA
  • NPI 1528026713
  NPD
• Banner Physician Super Specialists Arizona LLC

  • Durable Medical Equipment & Medical Supplies
  • Mesa, AZ
  • NPI 1386462810
  NPD
• Banner Physician Super Specialists Arizona LLC

  • Nutrition Education Nutritionist
  • Mesa, AZ
  • NPI 1790337665
  NPD
• Gillette Children'S Specialty Healthcare

  • Multi-Specialty Clinic/Center
  • Saint Cloud, MN
  • NPI 1982090528
  NPD
• Upmc Advanced Practice Providers

  • Nurse Practitioner
  • Pittsburgh, PA
  • NPI 1457769176
  NPD (past)
• Gillette Children'S Specialty Healthcare

  • Multi-Specialty Clinic/Center
  • Minnetonka, MN
  • NPI 1598824880
  NPD (past)

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

{
    "created_epoch": "1554076800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769990400000",
    "number": "1699237651",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2 HOT METAL ST BLDG 3",
            "city": "PITTSBURGH",
            "state": "PA",
            "postal_code": "152032348"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3601 5TH AVE BLDG SUITE700",
            "city": "PITTSBURGH",
            "state": "PA",
            "postal_code": "152133403",
            "telephone_number": "412-647-7228"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5555 W Thunderbird Rd",
            "address_purpose": "LOCATION",
            "city": "Glendale",
            "state": "AZ",
            "postal_code": "853064622",
            "country_code": "US",
            "telephone_number": "602-865-5561",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1400 S Dobson Rd",
            "address_purpose": "LOCATION",
            "city": "Mesa",
            "state": "AZ",
            "postal_code": "852024707",
            "country_code": "US",
            "telephone_number": "480-412-3000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BARCLAY",
        "first_name": "TESSA",
        "middle_name": "RAE",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-04-01",
        "last_updated": "2026-02-02",
        "certification_date": "2026-02-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080P0208X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Infectious Diseases",
            "state": "PA",
            "license": "MD489660",
            "primary": true
        },
        {
            "code": "2080P0208X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Infectious Diseases",
            "state": "AZ",
            "license": "77365",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Anita M Barchetti, RPH
• Brooke Ashley Barcia, PA-C
• Anna Ptasinski Barclay, MD
• Gavin Abram Barclay, DMD
• Kelsey Barclay, RPH
• Ashley Marie Bardyn, SLP
• Emily Bare, PA-C
• Stephanie Barel, DO
• Marcie Barent, LCSW
• Courtney Michele Baressi, OT

• Pediatric Infectious Diseases Physician in Pittsburgh, PA
• Providers in Pittsburgh, PA by specialty
• Pediatric Infectious Diseases Physician in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 2, 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.