Individual provider Active NPI

Delon Wilson, MD

  • Research Clinic/Center
  • Bethesda, MD
National Provider Identifier
1205454592
Registry record updated May 16, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Research Clinic/CenterTaxonomy code 261QR1100X
Practice address
9000 Rockville Pike
Bethesda, MD 20892-0001
Phone
(301) 496-4000
NPI assigned
Jul 13, 2020
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on May 16, 2025

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Specialist 174400000X
Research Study Specialist 1744R1102X
Multi-Specialty Clinic/Center 261QM1300X
Research Clinic/Center 261QR1100X Primary

Addresses

Primary practice location

9000 Rockville Pike
Bethesda, MD 20892-0001

Mailing address

150 Post Office Rd Unit 1026
Waldorf, MD 20604-7543

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
Credentials
Doctor of Medicine

NPI Registry JSON

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

{
    "created_epoch": "1594598400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1747353600000",
    "number": "1205454592",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "150 POST OFFICE RD UNIT 1026",
            "city": "WALDORF",
            "state": "MD",
            "postal_code": "206047543"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9000 ROCKVILLE PIKE",
            "city": "BETHESDA",
            "state": "MD",
            "postal_code": "208920001",
            "telephone_number": "301-496-4000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILSON",
        "first_name": "DELON",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2020-07-13",
        "last_updated": "2025-05-16",
        "certification_date": "2025-05-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "174400000X",
            "taxonomy_group": "",
            "desc": "Specialist",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "1744R1102X",
            "taxonomy_group": "",
            "desc": "Specialist, Research Study",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "261QM1300X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Multi-Specialty",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "261QR1100X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Research",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Bethesda, MD

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 16, 2025; 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.