Kristian Leigh Orestis, PMHNP-BC, CNM

Primary specialty

Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X

License

052715-23 Issued in NH

Practice address

20 Portsmouth Avenue Ste 1
MBN 207
Stratham, NH 03885

Phone

(603) 502-6224

NPI assigned

Feb 16, 2012

Last updated

Jul 9, 2026By the provider in NPPES

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in MA, NH2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 2

Medicare enrollment (NPD)

Enrolled

Credentials

Certified Nurse Midwife

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://api.platform.athenahealth.com/28516/brand/1/csg/1/fhir/r4
• Direct secure messaging: orestis.kristian.bwh@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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Amoskeag Health

  • Federally Qualified Health Center (FQHC)
  • Manchester, NH
  • NPI 1083617013
  Medicare reassignment NPD
• Brigham & Womens Hospital, Inc.

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1790717650
  Medicare reassignment NPD
• Brigham & Womens Physicians Organization Inc

  • Internal Medicine Physician
  • Boston, MA
  • NPI 1033535497
  Medicare reassignment NPD
• Essex County OBGYN Assoc Inc

  • Obstetrics & Gynecology Physician
  • Beverly, MA
  • NPI 1538275870
  Medicare reassignment NPD
• Continuum Integrated Women's Psychiatry

  • Psychiatric/Mental Health Nurse Practitioner
  • Stratham, NH
  • NPI 1063343713
  Authorized official Same address or phone
• Continuum Integrative Women's Psychiatry PLLC

  • Psychiatric/Mental Health Nurse Practitioner
  • Stratham, NH
  • NPI 1346171030
  Authorized official Same address or phone
• Amoskeag Health

  • Federally Qualified Health Center (FQHC)
  • Manchester, NH
  • NPI 1225625643
  NPD
• Brigham and Women's Hospital

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1093885816
  NPD
• Amoskeag Health

  • Federally Qualified Health Center (FQHC)
  • Manchester, NH
  • NPI 1497342802
  NPD (past)
• Amoskeag Health

  • Federally Qualified Health Center (FQHC)
  • Manchester, NH
  • NPI 1629740816
  NPD (past)
• Amoskeag Health

  • Federally Qualified Health Center (FQHC)
  • Manchester, NH
  • NPI 1699012492
  NPD (past)
• Amoskeag Health

  • Federally Qualified Health Center (FQHC)
  • Manchester, NH
  • NPI 1720675135
  NPD (past)

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

{
    "created_epoch": "1329350400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783555200000",
    "number": "1144593484",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "20 PORTSMOUTH AVE STE 1",
            "city": "STRATHAM",
            "state": "NH",
            "postal_code": "038856528",
            "telephone_number": "603-502-6224",
            "fax_number": "603-633-3309"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "20 PORTSMOUTH AVENUE STE 1",
            "address_2": "MBN 207",
            "city": "STRATHAM",
            "state": "NH",
            "postal_code": "03885",
            "telephone_number": "603-502-6224"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ORESTIS",
        "first_name": "KRISTIAN",
        "middle_name": "LEIGH",
        "credential": "PMHNP-BC, CNM",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2012-02-16",
        "last_updated": "2026-07-09",
        "certification_date": "2026-07-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "MA",
            "license": "RN265795",
            "primary": false
        },
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "NH",
            "license": "052715-23",
            "primary": true
        },
        {
            "code": "367A00000X",
            "taxonomy_group": "",
            "desc": "Advanced Practice Midwife",
            "state": "MA",
            "license": "RN265795",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Sheila Mullen, MS PT
• Katelin Murphy, OT
• Girard Thomas Nista, DDS
• Oceanside Physical Therapy, LLC
• Camber Olsen, LICSW
• Paradigm Clinical Associates LLC (Stratham Ambulatory Surgery Center)
• Sara Christie Pettigrove
• Janet Gorin Pierce, LICSW
• Meredith Pool, BS OTR-L
• Sarah Elizabeth Proulx, RPA-C

• Psychiatric/Mental Health Nurse Practitioner in Stratham, NH
• Providers in Stratham, NH by specialty
• Psychiatric/Mental Health Nurse Practitioner in New Hampshire

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 9, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.