Fog & Fern Psychiatry, PLLC

Primary specialty

Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X

Legal business name

FOG & FERN PSYCHIATRY, PLLC

Practice address

1707 E Main St Ste 8
Olney, IL 62450-3156

Phone

(618) 602-2632

NPI assigned

Jun 9, 2026

Organization subpart

No

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

Authorized official

Name

Krystal Volk, APRNNPI 1639776297

Title

Pmhnp-BC

Phone

(618) 602-2632

Specialties & licenses 1

Addresses

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Krystal Volk

  • Psychiatric/Mental Health Nurse Practitioner
  • Flora, IL
  • NPI 1639776297
  NPD Authorized official

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

{
    "created_epoch": "1780963200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1782950400000",
    "number": "1033043757",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7443 E DUNDAS LN",
            "city": "CLAREMONT",
            "state": "IL",
            "postal_code": "624212110",
            "telephone_number": "618-602-2632"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1707 E MAIN ST STE 8",
            "city": "OLNEY",
            "state": "IL",
            "postal_code": "624503156",
            "telephone_number": "618-602-2632"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "FOG & FERN PSYCHIATRY, PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-06-09",
        "last_updated": "2026-07-02",
        "certification_date": "2026-07-02",
        "status": "A",
        "authorized_official_last_name": "VOLK",
        "authorized_official_first_name": "KRYSTAL",
        "authorized_official_title_or_position": "PMHNP-BC",
        "authorized_official_telephone_number": "618-602-2632",
        "authorized_official_credential": "APRN"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Emily J Ferguson, RN
• Tracey Ferguson, PMHNP-C
• Lisa K. Fieber, RD
• Mary Fletcher
• Elizabeth Florido, MHP
• Melody Fore
• Geneva R Forys, MHP
• Fritschle Chiropractic
• Nona P Fulk, M.D.
• Fully Alive Counseling PLLC

• Psychiatric/Mental Health Nurse Practitioner in Olney, IL
• Providers in Olney, IL by specialty
• Psychiatric/Mental Health Nurse Practitioner in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 2, 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.