Individual provider Active NPI

Aaron Shams Helminski, M.D.

  • Internal Medicine Physician
  • Lebanon, NH
National Provider Identifier
1720309545
Registry record updated Dec 12, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
35106 Issued in NH
Practice address
1 Medical Center Dr
Lebanon, NH 03756-1000
Phone
(603) 650-5000
Fax
(603) 640-1228
NPI assigned
Jun 16, 2010
Last updated
Dec 12, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 12, 2025

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 35106 NH Primary
Internal Medicine Physician 207R00000X MD185542 OR
Internal Medicine Physician 207R00000X 042.0012722 VT

Addresses

Primary practice location

1 Medical Center Dr
Lebanon, NH 03756-1000

Mailing address

PO Box 810
Hanover, NH 03755-0810

Other practice location 1

3181 SW Sam Jackson Park Rd
Portland, OR 97239-3011
Phone (503) 494-6101

Other practice location 2

17 Belmont Ave
Brattleboro, VT 05301-7601
Phone (808) 497-8881

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NH
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

Enrollment IDStateProvider typePAC IDDetails
I20250731001034 NH Practitioner - Internal Medicine 3274769070 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
University of Vermont College of Medicine, 2010
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Dartmouth-Hitchcock ClinicGroup PAC ID 4183537509, 1,445 clinicians

Practice addresses (Care Compare)

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

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
99.11 of 100Reported as apm
Quality
84.29
Promoting interoperability
100
Improvement activities
40

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
35106NHMDInternal Medicine Physician
MD185542ORMDInternal Medicine Physician
042.0012722VTMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Alice Peck Day Memorial Hospital Internal Medicine Current Accepting new patients
Mary Hitchcock Memorial Hospital Internal Medicine CurrentSince Jul 23, 2025 Accepting new patients
Alice Peck Day Memorial Hospital Internal Medicine Current Accepting new patients
Dartmouth-Hitchcock Clinic CurrentSince Jul 23, 2025 Accepting new patients
Dartmouth-Hitchcock Clinic Internal Medicine CurrentSince Jul 23, 2025 Accepting new patients
Mary Hitchcock Memorial Hospital CurrentSince Jul 23, 2025 Accepting new patients
Alice Peck Day Memorial Hospital CurrentSince Jul 23, 2025 Accepting new patients

Locations

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

10 Alice Peck Day Dr
Lebanon, NH 03766
Phone (603) 448-7440

5 Alice Peck Day Dr
Lebanon, NH 03766
Phone (603) 448-3996

17 Belmont Ave
Brattleboro, VT 05301
Phone (802) 257-8360

Interoperability endpoints

  • FHIR API: https://edhwebportal.hitchcock.org/FHIRProxy/api/FHIR/R4/

Organizations & group practices 7

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.

Hospital & facility affiliations 2

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": "1276646400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765497600000",
    "number": "1720309545",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 810",
            "city": "HANOVER",
            "state": "NH",
            "postal_code": "037550810"
        },
        {
            "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": "037561000",
            "telephone_number": "603-650-5000",
            "fax_number": "603-640-1228"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3181 SW Sam Jackson Park Rd",
            "address_purpose": "LOCATION",
            "city": "Portland",
            "state": "OR",
            "postal_code": "972393011",
            "country_code": "US",
            "telephone_number": "503-494-6101",
            "fax_number": "503-494-1159",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "17 Belmont Ave",
            "address_purpose": "LOCATION",
            "city": "Brattleboro",
            "state": "VT",
            "postal_code": "053017601",
            "country_code": "US",
            "telephone_number": "808-497-8881",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HELMINSKI",
        "first_name": "AARON",
        "middle_name": "SHAMS",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2010-06-16",
        "last_updated": "2025-12-12",
        "certification_date": "2025-12-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NH",
            "license": "35106",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "OR",
            "license": "MD185542",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "VT",
            "license": "042.0012722",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Lebanon, NH

Sources for this page

Verify at the official NPI Registry.