Peter J Mason, MD

Primary specialty

Cardiovascular Disease PhysicianTaxonomy code 207RC0000X

License

49077 Issued in WI

Practice address

350 S Hamilton St Unit 501
Madison, WI 53703-4186

Phone

(608) 443-8931

NPI assigned

Apr 5, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 5

Addresses

Other identifiers 2

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in WI, NC2 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 2

Specialty

Interventional Cardiology

Education

University of Massachusetts Medical School, 1997

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

University of North Carolina at Chapel HillGroup PAC ID 0648181156, 2,028 clinicians

Unc Physicians Network LLCGroup PAC ID 5496940546, 985 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Unc Hospitals Hospital, Chapel Hill, NC, CCN 340061

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: pmason1313464@direct.unc.nchie.net

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.

• University of North Carolina at Chapel Hill

  dba UNC Faculty Physicians

  • Anesthesiology Physician
  • Chapel Hill, NC
  • NPI 1780669200
  Medicare reassignment Care Compare group NPD
• Unc Physicians Network LLC

  dba UNC Family Medicine at Pittsboro

  • Family Medicine Physician
  • Pittsboro, NC
  • NPI 1750704367
  Medicare reassignment Care Compare group
• Children's Specialty Group, Inc.

  • Pediatrics Physician
  • Milwaukee, WI
  • NPI 1942970405
  Medicare reassignment NPD
• Froedtert &the Medical College of Wisconsin Community Physicians, Inc.

  • Internal Medicine Physician
  • Menomonee Falls, WI
  • NPI 1568787448
  Medicare reassignment NPD
• Thedacare, Incorporated

  dba ThedaCare Physicians

  • Family Medicine Physician
  • New London, WI
  • NPI 1376656959
  Medicare reassignment NPD
• The Medical College of Wisconsin, Inc.

  • Internal Medicine Physician
  • Milwaukee, WI
  • NPI 1699720086
  Medicare reassignment
• Froedtert &the Medical College of Wisconsin Community Physicians, Inc.

  • Durable Medical Equipment & Medical Supplies
  • Wauwatosa, WI
  • NPI 1154947224
  NPD
• Wisconsin Heart, S.C.

  • Cardiovascular Disease Physician
  • Madison, WI
  • NPI 1720051857
  NPD (past)
• Park Ophthalmology

  • Ophthalmology Physician
  • Durham, NC
  • NPI 1619150141
  NPD (past)
• University of North Carolina Hospitals at Chapel Hill

  dba UNC Hospitals Alcohol Substance Abuse

  • Pediatric Nutrition Registered Dietitian
  • Chapel Hill, NC
  • NPI 1861415804
  NPD (past)

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

• University of North Carolina Hospitals at Chapel Hill

  dba UNC Hospitals

  • General Acute Care Hospital
  • Chapel Hill, NC
  • NPI 1932208576
  Care Compare affiliation

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

{
    "created_epoch": "1144195200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778630400000",
    "number": "1144282120",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "350 S HAMILTON ST UNIT 501",
            "city": "MADISON",
            "state": "WI",
            "postal_code": "537034186"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "350 S HAMILTON ST UNIT 501",
            "city": "MADISON",
            "state": "WI",
            "postal_code": "537034186",
            "telephone_number": "608-443-8931"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1301 Central Dr",
            "address_purpose": "LOCATION",
            "city": "Sanford",
            "state": "NC",
            "postal_code": "273304159",
            "country_code": "US",
            "telephone_number": "919-718-9512",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MASON",
        "first_name": "PETER",
        "middle_name": "J",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-04-05",
        "last_updated": "2026-05-13",
        "certification_date": "2026-05-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "WI",
            "license": "49077",
            "primary": true
        },
        {
            "code": "207RA0001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Advanced Heart Failure and Transplant Cardiology",
            "state": "WI",
            "license": "49077",
            "primary": false
        },
        {
            "code": "207RI0011X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Interventional Cardiology",
            "state": "WI",
            "license": "49077-020",
            "primary": false
        },
        {
            "code": "207RI0011X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Interventional Cardiology",
            "state": "NC",
            "license": "2025-02756",
            "primary": false
        },
        {
            "code": "2080P0202X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Cardiology",
            "state": "WI",
            "license": "49077",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "34838100",
            "state": "WI"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1144282120",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "pmason1313464@direct.UNC.nchie.net",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CDA/CCD/TXT",
            "address_1": "1301 Central Dr",
            "city": "Sanford",
            "state": "NC",
            "country_code": "US",
            "postal_code": "273304159",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Althea-Desire Mason
• Jourdan Alexis Mason, MD
• Laura G Mason
• Melanie Paige Mason
• Melissa J Mason, PA
• Therese L Mason
• Syed Asif Masood, M.D.
• Georgina Nabil Masoud, RPH
• Moadh Masoud
• Sofia Carolina Masri, MD

• Cardiovascular Disease Physician in Madison, WI
• Providers in Madison, WI by specialty
• Cardiovascular Disease Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 13, 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.