Individual provider Active NPI

William Brian Karkowsky, M.D.

  • Critical Care Medicine (Internal Medicine) Physician
  • Baltimore, MD
National Provider Identifier
1053675074
Registry record updated Jan 24, 2020
On this page

Key facts

NPPES NPI Registry
Primary specialty
Critical Care Medicine (Internal Medicine) PhysicianTaxonomy code 207RC0200X
License
D0084609 Issued in MD
Practice address
6503 Sanzo Rd Apt F
Baltimore, MD 21209-2412
Phone
(301) 787-9327
NPI assigned
Jun 25, 2012
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jan 24, 2020

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Pulmonary Disease Physician 207RP1001X D0084609 MD
Critical Care Medicine (Internal Medicine) Physician 207RC0200X D0084609 MD Primary

Addresses

Primary practice location

6503 Sanzo Rd Apt F
Baltimore, MD 21209-2412

Mailing address

6503 Sanzo Rd Apt F
Baltimore, MD 21209-2412
Phone (301) 787-9327

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MD, DC2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20181009003277 MD Practitioner - Critical Care (Intensivists)Practitioner - Internal MedicinePractitioner - Pulmonary Disease 4082847496 Reassigns benefits to 3 organizations
I20200210002273 DC Practitioner - Critical Care (Intensivists)Practitioner - Internal Medicine 4082847496 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Critical Care (Intensivists)Also: Pulmonary Disease
Education
University of Maryland School of Medicine, 2012
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Greater Baltimore Medical CenterGroup PAC ID 1759276975, 350 clinicians

Practice addresses (Care Compare)

2401 W Belvedere Ave
Lifebridge Critical Care
Baltimore, MD 21215-5216
Phone (410) 521-5973

3701 N Charles St
South Chapman Building Suite 102
Towson, MD 21204-6808

6565 N Charles St
Baltimore, MD 21204-5805

6565 N Charles St
Baltimore, MD 21204-6808

6565 N Charles Street
201 Pulmonary Medicine at GBMC
Baltimore, MD 21204-5805
Phone (443) 849-3901

6569 N Charles St
Baltimore, MD 21204-5816

6569 N Charles St
Suite 505
Baltimore, MD 21204-6808
Phone (443) 849-2658

6569 N Charles St PPW Room
307 GYN Specialists
Baltimore, MD 21204-6808
Phone (443) 849-6123

6569 N Charles Street
504 Hoover Low Vision GBMC
Baltimore, MD 21204-6808
Phone (443) 849-2658

6701 N Charles St
Baltamore, MD 21204-6808

6701 N Charles St BLDG
S Chapman BLDG Suite 102
Baltimore, MD 21204-6808

6701 N Charles St Unit
Baltimore, MD 21204-6808
Phone (443) 849-3131

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
D0084609MDMDCritical Care Medicine (Internal Medicine) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Greater Baltimore Medical Center, Inc. CurrentSince Aug 27, 2018 Accepting new patients
University of Maryland Community Medical Group, Inc. CurrentSince Nov 25, 2019 Accepting new patients
University of Maryland Community Medical Group, Inc. CurrentSince Nov 25, 2019 Accepting new patients
Medstar Medical Group II LLC CurrentSince Jan 1, 2020 Accepting new patients
Lifebridge Community Physicians, Inc Current Accepting new patients
Greater Baltimore Medical Center, Inc. CurrentSince Aug 27, 2018 Accepting new patients
Lifebridge Community Physicians, Inc CurrentSince May 19, 2025 Accepting new patients
Greater Baltimore Medical Center, Inc Current Accepting new patients
Lifebridge Community Physicians Inc CurrentSince May 19, 2025 Accepting new patients
Greater Baltimore Medical Center, Inc. Past Accepting new patients

Locations

1145 19th St NW
Ste 311
Washington, DC 20036
Phone (202) 429-2401

2401 W Belvedere Ave
Baltimore, MD 21215

2540 Centreville Rd
Centreville, MD 21617
Phone (410) 758-4432

7503 Surratts Rd
Clinton, MD 20735
Phone (301) 868-8000

219 S Washington St
Easton, MD 21601

301 Hospital Dr
Glen Burnie, MD 21061
Phone (410) 787-4565

920 Elkridge Landing Rd
Linthicum Heights, MD 21090

6565 N Charles St
Ste 203
Towson, MD 21204
Phone (410) 828-3760

6569 N Charles St
Ste 505
Towson, MD 21204
Phone (443) 849-2196

6569 N Charles St
Ste 307
Towson, MD 21204
Phone (443) 849-2767

410 Malcolm Dr
Ste A
Westminster, MD 21157
Phone (410) 876-1633

Organizations & group practices 10

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.

Hospital & facility affiliations 1

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1340582400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1579824000000",
    "number": "1053675074",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6503 SANZO RD APT F",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212092412",
            "telephone_number": "301-787-9327"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6503 SANZO RD APT F",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212092412",
            "telephone_number": "301-787-9327"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KARKOWSKY",
        "first_name": "WILLIAM",
        "middle_name": "BRIAN",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2012-06-25",
        "last_updated": "2020-01-24",
        "certification_date": "2020-01-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "MD",
            "license": "D0084609",
            "primary": false
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "MD",
            "license": "D0084609",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Baltimore, MD

Sources for this page

Verify at the official NPI Registry.