Individual provider Active NPI

Christopher Adam Kleronomos, FNP, DAOM, MSC

  • Family Nurse Practitioner
  • Portland, OR
National Provider Identifier
1144540436
Registry record updated Mar 20, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
201050042NP Issued in OR
Practice address
1210 NW Johnson St
Portland, OR 97209-3011
Phone
(971) 299-8350
NPI assigned
Jun 9, 2010
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Mar 20, 2026

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

Specialties & licenses 5

Specialty (taxonomy)CodeLicenseStatePrimary
Sports Medicine (Preventive Medicine) Physician 2083S0010X 201050042NP OR
Acupuncturist 171100000X AC150573 OR
Nutritionist 133N00000X
Family Nurse Practitioner 363LF0000X 201050042NP OR Primary
Integrative Medicine Physician 202D00000X 201050042NP OR

Addresses

Primary practice location

1210 NW Johnson St
Portland, OR 97209-3011

Mailing address

1210 NW Johnson St
Portland, OR 97209-3011
Phone (971) 299-8350

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
AC150573ORMDAcupuncturist
201050042NPORMDIntegrative Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Groundswell Integrative Healthcare Inc. PastSince Aug 26, 2017 Accepting new patients

Organizations & group practices 1

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.

NPI Registry JSON

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

{
    "created_epoch": "1276041600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773964800000",
    "number": "1144540436",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1210 NW JOHNSON ST",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972093011",
            "telephone_number": "971-299-8350"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1210 NW JOHNSON ST",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972093011",
            "telephone_number": "971-299-8350"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KLERONOMOS",
        "first_name": "CHRISTOPHER",
        "middle_name": "ADAM",
        "name_prefix": "Dr.",
        "credential": "FNP, DAOM, MSC",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2010-06-09",
        "last_updated": "2026-03-20",
        "certification_date": "2026-03-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2083S0010X",
            "taxonomy_group": "",
            "desc": "Preventive Medicine, Sports Medicine",
            "state": "OR",
            "license": "201050042NP",
            "primary": false
        },
        {
            "code": "171100000X",
            "taxonomy_group": "",
            "desc": "Acupuncturist",
            "state": "OR",
            "license": "AC150573",
            "primary": false
        },
        {
            "code": "133N00000X",
            "taxonomy_group": "",
            "desc": "Nutritionist",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "OR",
            "license": "201050042NP",
            "primary": true
        },
        {
            "code": "202D00000X",
            "taxonomy_group": "",
            "desc": "Integrative Medicine",
            "state": "OR",
            "license": "201050042NP",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Portland, OR

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 20, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.