County of Walla Walla

Primary specialty

Public Health or Welfare AgencyTaxonomy code 251K00000X

Legal business name

COUNTY OF WALLA WALLA

Practice address

314 W Main St
Walla Walla, WA 99362-2821

Phone

(509) 524-2650

Fax

(509) 524-2678

NPI assigned

Mar 15, 2007

Last updated

Dec 23, 2025By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Nancy Wenzel

Title

Director

Phone

(509) 524-2660

Specialties & licenses 1

Addresses

Other identifiers 4

Other names 1

• Walla Walla County City Health Department Former legal business name

Locations

Practitioners 2

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Rebecka Marsh Hermsen, R.D, C.D

  • Registered Dietitian
  • Walla Walla, WA
  • NPI 1104017425
  NPD (past)
• Larry D. Jecha, M.D. M.P.H

  • Public Health & General Preventive Medicine Physician
  • Kennewick, WA
  • NPI 1760489918
  NPD (past)

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

{
    "created_epoch": "1173916800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1766448000000",
    "number": "1871627281",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "314 W MAIN ST",
            "city": "WALLA WALLA",
            "state": "WA",
            "postal_code": "993622821",
            "telephone_number": "509-524-2650",
            "fax_number": "509-524-2678"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "314 W MAIN ST",
            "city": "WALLA WALLA",
            "state": "WA",
            "postal_code": "993622821",
            "telephone_number": "509-524-2650",
            "fax_number": "509-524-2678"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "COUNTY OF WALLA WALLA",
        "organizational_subpart": "NO",
        "enumeration_date": "2007-03-15",
        "last_updated": "2025-12-23",
        "certification_date": "2025-12-23",
        "status": "A",
        "authorized_official_last_name": "WENZEL",
        "authorized_official_first_name": "NANCY",
        "authorized_official_title_or_position": "DIRECTOR",
        "authorized_official_telephone_number": "509-524-2660"
    },
    "taxonomies": [
        {
            "code": "251K00000X",
            "taxonomy_group": "",
            "desc": "Public Health or Welfare",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "7010705",
            "state": "WA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "8025744",
            "state": "WA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "7402068",
            "state": "WA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "8275653",
            "state": "WA"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Walla Walla County City Health Department",
            "code": "4",
            "type": "Former Legal Business Name"
        }
    ]
}

• Jeffery Michael Cortez, PHARMD, MBA
• Marissa Lynn Cosaert
• Counseling Services of Walla Walla
• County of Walla Walla
• County of Walla Walla (County Jail)
• County of Walla Walla
• Jennie L. Courtney, R.N.
• Victor A Covarrubias Rivera
• Hope Cox, BA
• CP St. Mary Wa HH, LLC (Providence at Home with Compassus Home Health, Walla Walla)

• Public Health or Welfare Agency in Walla Walla, WA
• Providers in Walla Walla, WA by specialty
• Public Health or Welfare Agency in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 23, 2025; 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.