NPIMap

Individual provider Active NPI

Aaron M Tannenbaum, M.D.

  • Pulmonary Disease Physician
  • Lebanon, NH
National Provider Identifier
1073952834
Registry record updated Jan 6, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pulmonary Disease PhysicianTaxonomy code 207RP1001X
License
21050 Issued in NH
Practice address
1 Medical Center Dr
Lebanon, NH 03756-0001
Phone
(603) 650-5533
Fax
(603) 640-1228
NPI assigned
Jun 14, 2013
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 6, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 036139744 IL
Pulmonary Disease Physician 207RP1001X 21050 NH Primary
Pulmonary Disease Physician 207RP1001X MT214298 PA

Addresses

Primary practice location

1 Medical Center Dr
Lebanon, NH 03756-0001

Mailing address

One Medical Center Dr
Lebanon, NH 03756-0001
Phone (603) 650-5533

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NH, VT2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20210119001733 NH Practitioner - Pulmonary DiseasePractitioner - Critical Care (Intensivists) 0840423505 Reassigns benefits to 2 organizations
I20220413002011 VT Practitioner - Pulmonary Disease 0840423505 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Pulmonary DiseaseAlso: Critical Care (Intensivists)
Education
Temple University School of Medicine, 2013
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Dartmouth-Hitchcock ClinicGroup PAC ID 4183537509, 1,445 clinicians
Mary Hitchcock Memorial HospitalGroup PAC ID 4486561164, 1,269 clinicians

Practice addresses (Care Compare)

1 Medical Ctr Dr
Lebanon, NH 03756-1000
Phone (603) 650-5000

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
MT214298PAMDPulmonary Disease Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Mary Hitchcock Memorial Hospital Internal Medicine CurrentSince Dec 22, 2020 Accepting new patients
Copley Hospital, Inc. Current Accepting new patients
Dartmouth-Hitchcock Clinic Internal Medicine CurrentSince Dec 22, 2020 Accepting new patients
Copley Hospital, Inc. Current Accepting new patients
Copley Hospital, Inc. CurrentSince Apr 20, 2022 Accepting new patients
Copley Hospital, Inc. Current Accepting new patients
Copley Hospital Inc Current Accepting new patients
Copley Hospital, Inc CurrentSince Apr 20, 2022 Accepting new patients
Mary Hitchcock Memorial Hospital CurrentSince Dec 22, 2020 Accepting new patients

Locations

1 Medical Dr
Lebanon, NH 03756
Phone (603) 650-5922

528 Washington Hwy
Morrisville, VT 05661
Phone (802) 888-4231

Interoperability endpoints

  • Direct secure messaging: atannenbaum418233@direct.dartmouth-hitchcock.org

Organizations & group practices 9

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.

Hospital & facility affiliations 12

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

NPI Registry JSON

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

{
    "created_epoch": "1371168000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767657600000",
    "number": "1073952834",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "ONE MEDICAL CENTER DR",
            "city": "LEBANON",
            "state": "NH",
            "postal_code": "037560001",
            "telephone_number": "603-650-5533"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 MEDICAL CENTER DR",
            "city": "LEBANON",
            "state": "NH",
            "postal_code": "037560001",
            "telephone_number": "603-650-5533",
            "fax_number": "603-640-1228"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TANNENBAUM",
        "first_name": "AARON",
        "middle_name": "M",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2013-06-14",
        "last_updated": "2026-01-06",
        "certification_date": "2026-01-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "036139744",
            "primary": false
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "NH",
            "license": "21050",
            "primary": true
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "PA",
            "license": "MT214298",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Lebanon, NH

Sources for this page

Verify at the official NPI Registry.