Alexander Peter De Nesnera, M.D.

Primary specialty

Psychiatry PhysicianTaxonomy code 2084P0800X

License

7835 Issued in NH

Practice address

36 Clinton St
Concord, NH 03301-2359

Phone

(603) 271-5300

Fax

(603) 271-5395

NPI assigned

May 9, 2006

Last updated

Jul 13, 2026By the provider in NPPES

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 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

Specialty

Psychiatry

Education

Geisel School of Medicine at Dartmouth, 1986

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

State of New HampshireGroup PAC ID 3870530579, 77 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• State of New Hampshire

  dba New Hampshire Hospital

  • Psychiatric Hospital
  • Concord, NH
  • NPI 1861491334
  Medicare reassignment Care Compare group NPD
• State of New Hampshire

  dba Hampstead Hospital

  • Psychiatric Hospital
  • Hampstead, NH
  • NPI 1952450082
  NPD

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

{
    "created_epoch": "1147132800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1457300030",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "36 CLINTON ST",
            "city": "CONCORD",
            "state": "NH",
            "postal_code": "033012359",
            "telephone_number": "603-271-5300",
            "fax_number": "603-271-5395"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "36 CLINTON ST",
            "city": "CONCORD",
            "state": "NH",
            "postal_code": "033012359",
            "telephone_number": "603-271-5300",
            "fax_number": "603-271-5395"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DE NESNERA",
        "first_name": "ALEXANDER",
        "middle_name": "PETER",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-09",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "NH",
            "license": "7835",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Thomas Davis
• Krista Davison, AU.D.
• Roberta A Daw II, COTA/L
• Alicia Day
• Larissa Anne De Leon
• Cynthia M. De Steuben, CNM
• Gared Deady, LCMHC
• Mary R Deal, M.D.
• Deb Horton Counseling LLC
• Dianne Decarolis, MA

• Psychiatry Physician in Concord, NH
• Providers in Concord, NH by specialty
• Psychiatry Physician in New Hampshire

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; 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.