Individual provider Active NPI

Leszek Karowiec, MD

  • Internal Medicine Physician
  • Gaithersburg, MD
National Provider Identifier
1265519672
Registry record updated Jul 8, 2007
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
D35859 Issued in MD
Practice address
501 North Frederick Avenue
Gaithersburg, MD 20877-2598
Phone
(301) 258-7265
Fax
(301) 258-7294
NPI assigned
Nov 1, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 8, 2007

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X D35859 MD Primary

Addresses

Primary practice location

501 North Frederick Avenue
Gaithersburg, MD 20877-2598

Mailing address

2101 East Jefferson Street
Ppqa Medicare Compliance Unit 6 West Attn Theresa Brook
Rockville, MD 20852-4908
Phone (301) 816-6660

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

Practice roles

OrganizationSpecialtyStatusNew patients
Frederick Health Hospital Inc Past Accepting new patients

Organizations & group practices 1

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.

NPI Registry JSON

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

{
    "created_epoch": "1162339200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1183852800000",
    "number": "1265519672",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2101 EAST JEFFERSON STREET",
            "address_2": "PPQA MEDICARE COMPLIANCE UNIT 6 WEST ATTN THERESA BROOK",
            "city": "ROCKVILLE",
            "state": "MD",
            "postal_code": "208524908",
            "telephone_number": "301-816-6660",
            "fax_number": "301-816-6308"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "501 NORTH FREDERICK AVENUE",
            "city": "GAITHERSBURG",
            "state": "MD",
            "postal_code": "208772598",
            "telephone_number": "301-258-7265",
            "fax_number": "301-258-7294"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KAROWIEC",
        "first_name": "LESZEK",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-11-01",
        "last_updated": "2007-07-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MD",
            "license": "D35859",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Gaithersburg, MD

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 8, 2007; 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.