Individual provider Active NPI

John F. Keiser, MD, PHD

  • Medical Microbiology Physician
  • Washington, DC
National Provider Identifier
1720194103
Registry record updated Sep 15, 2020
On this page

Key facts

NPPES NPI Registry
Primary specialty
Medical Microbiology PhysicianTaxonomy code 207ZM0300X
License
MD15828 Issued in DC
Practice address
900 23Rd St NW
Washington, DC 20037-2342
Phone
(202) 994-3391
NPI assigned
Aug 21, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 15, 2020

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Pathology/Laboratory Medicine Physician 207ZP0105X MD15828 DC
Medical Microbiology Physician 207ZM0300X MD15828 DC Primary

Addresses

Primary practice location

900 23Rd St NW
Washington, DC 20037-2342

Mailing address

900 23Rd St NW
Washington, DC 20037-2342
Phone (202) 994-3391

Other identifiers 1

IdentifierTypeStateIssuer
028848500MedicaidDC

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)
Enrolled
Credentials
Doctor of Medicine, Doctor of Philosophy

State licenses

LicenseStateTypeSpecialty
MD15828DCMDClinical Pathology/Laboratory Medicine Physician

NPI Registry JSON

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

{
    "created_epoch": "1156118400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1600128000000",
    "number": "1720194103",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "900 23RD ST NW",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200372342",
            "telephone_number": "202-994-3391"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "900 23RD ST NW",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200372342",
            "telephone_number": "202-994-3391"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KEISER",
        "first_name": "JOHN",
        "middle_name": "F.",
        "name_prefix": "Dr.",
        "credential": "MD, PHD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-21",
        "last_updated": "2020-09-15",
        "certification_date": "2020-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207ZP0105X",
            "taxonomy_group": "",
            "desc": "Pathology, Clinical Pathology/Laboratory Medicine",
            "state": "DC",
            "license": "MD15828",
            "primary": false
        },
        {
            "code": "207ZM0300X",
            "taxonomy_group": "",
            "desc": "Pathology, Medical Microbiology",
            "state": "DC",
            "license": "MD15828",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "028848500",
            "state": "DC"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Washington, DC

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 15, 2020; 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.