Clayton Hollander, PHARM.D

Primary specialty

Pharmacist Clinician (PhC)/ Clinical Pharmacy SpecialistTaxonomy code 1835P0018X

License

14004 Issued in OK

Practice address

4301 Wilson St
Fort Sill, OK 73503-4472

Phone

(580) 558-2300

NPI assigned

Jun 20, 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

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Doctor of Pharmacy

State licenses

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

{
    "created_epoch": "1371686400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789516800000",
    "number": "1982043220",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4301 WILSON ST",
            "city": "FORT SILL",
            "state": "OK",
            "postal_code": "735034472",
            "telephone_number": "580-558-2300"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4301 WILSON ST",
            "city": "FORT SILL",
            "state": "OK",
            "postal_code": "735034472",
            "telephone_number": "580-558-2300"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HOLLANDER",
        "first_name": "CLAYTON",
        "name_prefix": "Dr.",
        "credential": "PHARM.D",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2013-06-20",
        "last_updated": "2026-09-16",
        "certification_date": "2026-09-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "183500000X",
            "taxonomy_group": "",
            "desc": "Pharmacist",
            "state": "OK",
            "license": "14004",
            "primary": false
        },
        {
            "code": "1835P0018X",
            "taxonomy_group": "",
            "desc": "Pharmacist, Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist",
            "state": "OK",
            "license": "14004",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Edwin R Henson III, MD
• Zachary H. Highberger, DMD
• Brennan McAlister Hill, DMD
• Jason Charles Hinton, PTA
• William Jerry Holcomb, DPT
• Landon B Holmes, LMSW
• Gregory Michael Holtzman, DC
• Angel K Hong, D.C.
• David Michael Horn, DDS
• Robert Lee Hornsby, MD

• Pharmacist in Fort Sill, OK
• Providers in Fort Sill, OK by specialty
• Pharmacist in Oklahoma

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 16, 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.