Individual provider Active NPI

William Davis McConnell, MD

  • Internal Medicine Physician
  • Baltimore, MD
National Provider Identifier
1548215205
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
D42129 Issued in MD
Practice address
6301 N Charles St
Baltimore, MD 21212
Phone
(410) 372-0300
Fax
(410) 372-0304
NPI assigned
May 23, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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 D42129 MD Primary

Addresses

Primary practice location

6301 N Charles St
Baltimore, MD 21212

Mailing address

6141 Barroll Rd
Baltimore, MD 21209
Phone (410) 296-7646

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MD
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
I20040218000915 MD Practitioner - Internal Medicine 3971498908 Practice locations: Baltimore, MD

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Vanderbilt University School of Medicine, 1982
Medicare assignment
May accept Medicare assignment
Group practices
Agape Physical Therapy and Sports Rehabilitation LPGroup PAC ID 3870741390, 684 clinicians

Practice addresses (Care Compare)

12 Newport Dr
Suite a
Forest Hill, MD 21050-1758

6301 N Charles St
Suite 5
Baltimore, MD 21212-1048
Phone (410) 372-0300

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
18.57 of 100Reported as individual
Quality
0
Improvement activities
0
Cost
61.89

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
D42129MDMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Frederick Health Hospital Inc Past Accepting new patients

Organizations & group practices 2

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 7

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": "1148342400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1548215205",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6141 BARROLL RD",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "21209",
            "telephone_number": "410-296-7646",
            "fax_number": "410-296-0844"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6301 N CHARLES ST",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "21212",
            "telephone_number": "410-372-0300",
            "fax_number": "410-372-0304"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MCCONNELL",
        "first_name": "WILLIAM",
        "middle_name": "DAVIS",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-23",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MD",
            "license": "D42129",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Baltimore, MD

Sources for this page

Verify at the official NPI Registry.