Derek M Parker, PSY.D.

Primary specialty

PsychologistTaxonomy code 103T00000X

License

2981 Issued in KS

Practice address

33354 D Street
Winfield, KS 67301

Phone

(620) 331-1748

Fax

(620) 417-0308

NPI assigned

Jun 24, 2009

Last updated

Jul 10, 2026By 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 10

Addresses

Medicare fee-for-service enrollment

Enrolled in KS

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 1

Specialty

Clinical Psychologist

Education

Other, 2015

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Ralph Bharati, MD, PAGroup PAC ID 0042206229, 7 clinicians

Practice addresses (Care Compare)

Merit-based Incentive Payment System (MIPS)

Final score

56.65 of 100Reported as group

Quality

0

Improvement activities

40

Cost

72.17

Medicare enrollment (NPD)

Enrolled

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.

• Ralph Bharati, MD, PA

  • Addiction Psychiatry Physician
  • Wichita, KS
  • NPI 1932292547

  Addiction (Substance Use Disorder)

  Medicare reassignment Care Compare group NPD
• Mental Health America of South Central Kansas, Inc.

  • Community/Behavioral Health Agency
  • Wichita, KS
  • NPI 1689710568

  Single Specialty

  NPD

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

{
    "created_epoch": "1245801600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783641600000",
    "number": "1568690923",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3354 D STREET",
            "city": "WINFIELD",
            "state": "KS",
            "postal_code": "67301",
            "telephone_number": "620-331-1748"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "33354 D STREET",
            "city": "WINFIELD",
            "state": "KS",
            "postal_code": "67301",
            "telephone_number": "620-331-1748",
            "fax_number": "620-417-0308"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1901 E 1st St",
            "address_purpose": "LOCATION",
            "city": "Newton",
            "state": "KS",
            "postal_code": "671145010",
            "country_code": "US",
            "telephone_number": "316-284-6400",
            "fax_number": "316-284-6490",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "PARKER",
        "first_name": "DEREK",
        "middle_name": "M",
        "name_prefix": "Dr.",
        "credential": "PSY.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2009-06-24",
        "last_updated": "2026-07-10",
        "certification_date": "2026-07-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "KS",
            "license": "2981",
            "primary": true
        },
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "KS",
            "license": "2441",
            "primary": false
        },
        {
            "code": "103TA0400X",
            "taxonomy_group": "",
            "desc": "Psychologist, Addiction (Substance Use Disorder)",
            "state": "KS",
            "license": "035",
            "primary": false
        },
        {
            "code": "103TA0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Adult Development & Aging",
            "state": "KS",
            "license": "2441",
            "primary": false
        },
        {
            "code": "103TB0200X",
            "taxonomy_group": "",
            "desc": "Psychologist, Cognitive & Behavioral",
            "state": "KS",
            "license": "2441",
            "primary": false
        },
        {
            "code": "103TF0000X",
            "taxonomy_group": "",
            "desc": "Psychologist, Family",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "103TF0200X",
            "taxonomy_group": "",
            "desc": "Psychologist, Forensic",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "103TP0814X",
            "taxonomy_group": "",
            "desc": "Psychologist, Psychoanalysis",
            "state": "KS",
            "license": "2441",
            "primary": false
        },
        {
            "code": "103TP2701X",
            "taxonomy_group": "",
            "desc": "Psychologist, Group Psychotherapy",
            "state": "KS",
            "license": "2441",
            "primary": false
        },
        {
            "code": "103TH0004X",
            "taxonomy_group": "",
            "desc": "Psychologist, Health",
            "state": "NU",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Angela E Norton, R.PH.
• Demetrice Ogundu
• Justin Chidi Arinze Onwugbufor
• Katelyn Page Onwugbufor
• Jennifer Louise Owen, APRN
• David C Parsons, DDS
• Tad Parsons, DPT
• Ashutosh Patel, M.D.
• Patrick Bloedel MD LLC
• Sheila Peil

• Psychologist in Winfield, KS
• Providers in Winfield, KS by specialty
• Psychologist in Kansas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 10, 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.
• 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.