Derek J Parker, M.A., M.S., PH.D.

Primary specialty

Professional CounselorTaxonomy code 101YP2500X

Practice address

420 1St St
Du Bois, PA 15801-3012

Phone

(814) 221-5744

NPI assigned

May 17, 2013

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 PA

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

Mental Health Counselor

Education

Other, 2014

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Richard HoffmanGroup PAC ID 7618137522, 54 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Master of Arts, Master of Science, Doctor of Philosophy

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 and National Provider Directory roles.

• Richard Hoffman

  • Professional Counselor
  • Greensburg, PA
  • NPI 1356583066
  Medicare reassignment Care Compare group NPD
• Christian Counseling Associates of Western Pennsylvania

  • Mental Health Counselor
  • Jamestown, NY
  • NPI 1457027864
  NPD

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

{
    "created_epoch": "1368748800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776816000000",
    "number": "1679919633",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "56 GRAHAM AVE",
            "city": "BROOKVILLE",
            "state": "PA",
            "postal_code": "158251403",
            "telephone_number": "814-221-5744"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "420 1ST ST",
            "city": "DU BOIS",
            "state": "PA",
            "postal_code": "158013012",
            "telephone_number": "814-221-5744"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2785 Walston Rd",
            "address_purpose": "LOCATION",
            "city": "Punxsutawney",
            "state": "PA",
            "postal_code": "157672625",
            "country_code": "US",
            "telephone_number": "724-396-1510",
            "fax_number": "724-972-4627",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "56 Graham Ave",
            "address_purpose": "LOCATION",
            "city": "Brookville",
            "state": "PA",
            "postal_code": "158251403",
            "country_code": "US",
            "telephone_number": "814-221-5744",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "205 Jefferson St",
            "address_purpose": "LOCATION",
            "city": "Brookville",
            "state": "PA",
            "postal_code": "158251144",
            "country_code": "US",
            "telephone_number": "724-396-1510",
            "fax_number": "724-972-4627",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "100 W Long Ave",
            "address_purpose": "LOCATION",
            "city": "Du Bois",
            "state": "PA",
            "postal_code": "158012104",
            "country_code": "US",
            "telephone_number": "814-221-5744",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "140 N Saint Marys St",
            "address_purpose": "LOCATION",
            "city": "Saint Marys",
            "state": "PA",
            "postal_code": "158571236",
            "country_code": "US",
            "telephone_number": "724-396-1510",
            "fax_number": "724-972-4627",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "169 West College Street",
            "address_purpose": "LOCATION",
            "city": "Waynesburg",
            "state": "PA",
            "postal_code": "153701319",
            "country_code": "US",
            "telephone_number": "724-396-1510",
            "fax_number": "724-972-4627",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "PARKER",
        "first_name": "DEREK",
        "middle_name": "J",
        "credential": "M.A., M.S., PH.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2013-05-17",
        "last_updated": "2026-04-22",
        "certification_date": "2026-04-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YP2500X",
            "taxonomy_group": "",
            "desc": "Counselor, Professional",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Oksana N Palatna, D.O.
• Mandi Palumbo
• Gabrielle Rosalee Papia, DO
• Purvi Shah Parekh, D.O.
• Halla Park, DO
• Madalyn Parker, PA-C
• Tyler Shawn Passmore, PA-C
• Ashishkumar Ranchhodbhai Patel, MD
• Rahul Jayesh Patel, DO
• Jeanne Marie Patton, RN

• Professional Counselor in Du Bois, PA
• Providers in Du Bois, PA by specialty
• Professional Counselor in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 22, 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.