NPIMap

Individual provider Active NPI

Sergio Andres Ramirez Salazar, MD

  • Neurology Physician
  • Littleton, NH
National Provider Identifier
1033632716
Registry record updated Dec 15, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Neurology PhysicianTaxonomy code 2084N0400X
License
286714 Issued in MA
Practice address
580 Saint Johnsbury Rd
Littleton, NH 03561-3437
Phone
(603) 444-9390
NPI assigned
Jul 25, 2017
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 15, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Neurology Physician 2084N0400X 23810 NH
Neurology Physician 2084N0400X 286714 MA Primary

Addresses

Primary practice location

580 Saint Johnsbury Rd
Littleton, NH 03561-3437

Mailing address

600 Saint Johnsbury Rd
Littleton, NH 03561-3442
Phone (603) 444-9000

Other practice location 1

1 Medical Center Dr
Lebanon, NH 03756-0001
Phone (603) 650-5000

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20230803000616 NH Practitioner - Neurology 2264893577 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Neurology
Education
Other, 2013
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Mary Hitchcock Memorial HospitalGroup PAC ID 4486561164, 1,269 clinicians
Littleton Hospital AssociationGroup PAC ID 6901796556, 111 clinicians

Practice addresses (Care Compare)

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

600 Saint Johnsbury Rd
Littleton, NH 03561-3442
Phone (603) 444-9000

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
286714MAMDNeurology Physician
23810NHMDNeurology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Mary Hitchcock Memorial Hospital CurrentSince Jul 20, 2023 Accepting new patients
Dartmouth-Hitchcock Clinic CurrentSince Jul 20, 2023 Accepting new patients
Littleton Hospital Association CurrentSince Jan 22, 2024 Accepting new patients
Littleton Hospital Association CurrentSince Jan 22, 2024 Accepting new patients
Mary Hitchcock Memorial Hospital CurrentSince Jul 20, 2023 Accepting new patients

Locations

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

580 Saint Johnsbury Rd
Littleton, NH 03561
Phone (603) 444-0385

580 Saint Johnsbury Rd
Ste A
Littleton, NH 03561
Phone (603) 259-7780

600 Saint Johnsbury Rd
Littleton, NH 03561
Phone (603) 444-9000

Interoperability endpoints

  • Direct secure messaging: sramirezsalazar531819@direct.dartmouth-hitchcock.org

Organizations & group practices 5

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 9

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": "1500940800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765756800000",
    "number": "1033632716",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "600 SAINT JOHNSBURY RD",
            "city": "LITTLETON",
            "state": "NH",
            "postal_code": "035613442",
            "telephone_number": "603-444-9000",
            "fax_number": "603-444-9095"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "580 SAINT JOHNSBURY RD",
            "city": "LITTLETON",
            "state": "NH",
            "postal_code": "035613437",
            "telephone_number": "603-444-9390"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1 Medical Center Dr",
            "address_purpose": "LOCATION",
            "city": "Lebanon",
            "state": "NH",
            "postal_code": "037560001",
            "country_code": "US",
            "telephone_number": "603-650-5000",
            "fax_number": "603-640-1228",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "RAMIREZ SALAZAR",
        "first_name": "SERGIO",
        "middle_name": "ANDRES",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-07-25",
        "last_updated": "2025-12-15",
        "certification_date": "2025-12-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "NH",
            "license": "23810",
            "primary": false
        },
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "MA",
            "license": "286714",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Littleton, NH

Sources for this page

Verify at the official NPI Registry.