Isaac C Leader, M.D.

Primary specialty

Hospitalist PhysicianTaxonomy code 208M00000X

License

275229-1 Issued in NY

Practice address

North Shore Medical Center
81 Highland Avenue
Salem, MA 01970

Phone

(978) 741-1200

NPI assigned

Aug 2, 2011

Sex

Male

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

Enrolled in MA

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

HospitalistAlso: Internal Medicine

Education

University of Vermont College of Medicine, 2011

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Mass General Brigham Medical Group Northern Massachusetts IncGroup PAC ID 3577467224, 817 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• North Shore Medical Center - Hospital, Salem, MA, CCN 220035
• Massachusetts General Hospital Hospital, Boston, MA, CCN 220071

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: leader.isaac.nsmc@direct.partners.masshiway.net
• Direct secure messaging: leader.isaac.epa@direct.partners.masshiway.net

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.

• Mass General Brigham Medical Group Northern Massachusetts Inc

  • Emergency Medicine Physician
  • Salem, MA
  • NPI 1588606123
  Medicare reassignment Care Compare group NPD
• Emerson Practice Associates, Inc.

  • Internal Medicine Physician
  • Concord, MA
  • NPI 1508020199

  Hospitalist

  NPD
• North Shore Medical Center, Inc.

  • General Acute Care Hospital
  • Salem, MA
  • NPI 1730121633
  NPD

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

• North Shore Medical Center, Inc.

  • General Acute Care Hospital
  • Salem, MA
  • NPI 1730121633
  Care Compare affiliation
• The General Hospital Corporation

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1023049236
  Care Compare affiliation

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

{
    "created_epoch": "1312243200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1604016000000",
    "number": "1275811655",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "501 E 234TH ST APT 3F",
            "city": "BRONX",
            "state": "NY",
            "postal_code": "104702458",
            "telephone_number": "802-318-3917"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "NORTH SHORE MEDICAL CENTER",
            "address_2": "81 HIGHLAND AVENUE",
            "city": "SALEM",
            "state": "MA",
            "postal_code": "01970",
            "telephone_number": "978-741-1200"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LEADER",
        "first_name": "ISAAC",
        "middle_name": "C",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2011-08-02",
        "last_updated": "2020-10-30",
        "certification_date": "2020-10-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "NY",
            "license": "275229-1",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Hospitalist Physician in Salem, MA
• Providers in Salem, MA by specialty
• Hospitalist Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 30, 2020; 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.