Individual provider Active NPI

Derek Karr, MD

  • General Practice Physician
  • Bethesda, MD
National Provider Identifier
1033640511
Registry record updated Jun 15, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
General Practice PhysicianTaxonomy code 208D00000X
License
0101265636 Issued in VA
Practice address
8901 Rockville Pike
Bethesda, MD 20889-0001
Phone
(229) 639-7886
NPI assigned
Mar 25, 2017
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 15, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
General Practice Physician 208D00000X 0101265636 VA Primary
Family Medicine Physician 207Q00000X 0101265636 VA

Addresses

Primary practice location

8901 Rockville Pike
Bethesda, MD 20889-0001

Mailing address

8901 Rockville Pike
Bethesda, MD 20889-0001

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in FL
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20200327000009 FL Order and Referring Only - Family PracticePractitioner - Family Practice 3476982448

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
0101265636VAMDGeneral Practice Physician

NPI Registry JSON

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

{
    "created_epoch": "1490400000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781481600000",
    "number": "1033640511",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8901 ROCKVILLE PIKE",
            "city": "BETHESDA",
            "state": "MD",
            "postal_code": "208890001"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8901 ROCKVILLE PIKE",
            "city": "BETHESDA",
            "state": "MD",
            "postal_code": "208890001",
            "telephone_number": "229-639-7886"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KARR",
        "first_name": "DEREK",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-03-25",
        "last_updated": "2026-06-15",
        "certification_date": "2026-06-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208D00000X",
            "taxonomy_group": "",
            "desc": "General Practice",
            "state": "VA",
            "license": "0101265636",
            "primary": true
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "VA",
            "license": "0101265636",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Bethesda, MD

Sources for this page

Verify at the official NPI Registry.