O'Neil R Mason, M.D.

Primary specialty

Cardiovascular Disease PhysicianTaxonomy code 207RC0000X

License

25MA11494000 Issued in NJ

Practice address

100 Madison Ave
Morristown, NJ 07960-6136

Phone

(973) 971-7416

Fax

(973) 401-2470

NPI assigned

Jan 21, 2012

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in NJ

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 1

Specialty

Cardiovascular Disease (Cardiology)Also: Internal Medicine

Education

Other, 2005

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Practice Associates Medical GroupGroup PAC ID 5890703177, 1,412 clinicians

Premier Health Associates LLCGroup PAC ID 0840283008, 45 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Morristown Medical Center Hospital, Morristown, NJ, CCN 310015
• Overlook Medical Center Hospital, Summit, NJ, CCN 310051
• Ahs Hospital Corp Hospital, Hackettstown, NJ, CCN 310115

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir4.healow.com/fhir/r4/EDJHBA
• Direct secure messaging: omason457711@direct.ahsys.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.

• Practice Associates Medical Group

  • Internal Medicine Physician
  • Morristown, NJ
  • NPI 1427016385
  Medicare reassignment Care Compare group NPD
• Premier Health Associates LLC

  • Internal Medicine Physician
  • Newton, NJ
  • NPI 1043257991
  Medicare reassignment Care Compare group NPD
• Premier Health Associates, LLC

  • Clinic/Center
  • Sparta, NJ
  • NPI 1881882785
  NPD

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

• Ahs Hospital Corp

  • General Acute Care Hospital
  • Hackettstown, NJ
  • NPI 1518969419
  Care Compare affiliation
• Ahs Hospital Corp.

  • General Acute Care Hospital
  • Morristown, NJ
  • NPI 1053384776
  Care Compare affiliation
• Ahs Hospital Corp.

  • General Acute Care Hospital
  • Summit, NJ
  • NPI 1740254143
  Care Compare affiliation

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

{
    "created_epoch": "1327104000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1661990400000",
    "number": "1699046748",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 416457",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022416457",
            "telephone_number": "844-362-1735",
            "fax_number": "973-290-7495"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 MADISON AVE",
            "city": "MORRISTOWN",
            "state": "NJ",
            "postal_code": "079606136",
            "telephone_number": "973-971-7416",
            "fax_number": "973-401-2470"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "676 N Saint Clair St",
            "address_purpose": "LOCATION",
            "city": "Chicago",
            "state": "IL",
            "postal_code": "606112927",
            "country_code": "US",
            "telephone_number": "312-926-2000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MASON",
        "first_name": "O'NEIL",
        "middle_name": "R",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2012-01-21",
        "last_updated": "2022-09-01",
        "certification_date": "2022-09-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "266546",
            "primary": false
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "IL",
            "license": "036152383",
            "primary": false
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "NJ",
            "license": "25MA11494000",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Damion Martins, MD
• Tatyana Marx
• Mary Elizabeth Hollo LPC, LLC
• Mary Haroun, LLC
• Javi Mashettiwar, DO
• Aisha Masood, M.D.
• Amirali Masoumi, M.D.
• Sharon Mass, MD
• Gina Massoni, DNP, FNP-C
• Robert Emmett Masterson, MD

• Cardiovascular Disease Physician in Morristown, NJ
• Providers in Morristown, NJ by specialty
• Cardiovascular Disease Physician in New Jersey

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 1, 2022; 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.