Joseph Deak

Primary specialty

Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X

License

C-RXN.0002090-C-NP Issued in CO

Practice address

6400 S Fiddlers Green Cir Ste 250
Greenwood Village, CO 80111-5075

Phone

(720) 823-7846

NPI assigned

Mar 30, 2019

Last updated

Sep 15, 2025By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in AL, CO2 enrollments

Eligible to order & refer

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

Green means eligible to order or refer.

Enrollment records 2

Specialty

Nurse Practitioner

Education

Other, 2020

Medicare assignment

May accept Medicare assignment

Telehealth

Offers telehealth services

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

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.

• Fiddlers Green Psychiatry LLC

  • Psychiatric/Mental Health Nurse Practitioner
  • Greenwood Village, CO
  • NPI 1306679634
  Medicare reassignment NPD Authorized official
• Valley Behavioral Services Inc

  • Psychiatry Physician
  • Madison, AL
  • NPI 1992810428
  Medicare reassignment NPD

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

{
    "created_epoch": "1553904000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757894400000",
    "number": "1740741727",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3101 HIGHWAY 207",
            "city": "ROGERSVILLE",
            "state": "AL",
            "postal_code": "356524313",
            "telephone_number": "720-823-7846"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6400 S FIDDLERS GREEN CIR STE 250",
            "city": "GREENWOOD VILLAGE",
            "state": "CO",
            "postal_code": "801115075",
            "telephone_number": "720-823-7846"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DEAK",
        "first_name": "JOSEPH",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2019-03-30",
        "last_updated": "2025-09-15",
        "certification_date": "2025-09-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "CO",
            "license": "C-RXN.0002090-C-NP",
            "primary": true
        },
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "AL",
            "license": "1-185722",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Glenda Josephine Day, LCSW, LSCSW
• Natasha Day
• Esther De Boer, MD PHD
• Nicole De la Garza, MD
• Nina Loren De la Rosa
• Claire Dean Sinclair, PSY.D.
• Meredith Dean, MSN, APRN, FNP-BC
• Natalie Dean, CCC-SLP
• Deborah Lynn Debauche, P.A.-C.
• Deer Run Dentistry

• Psychiatric/Mental Health Nurse Practitioner in Greenwood Village, CO
• Providers in Greenwood Village, CO by specialty
• Psychiatric/Mental Health Nurse Practitioner in Colorado

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 15, 2025; 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.