Individual provider Active NPI

Janice Ketcham Williams, FNP, DNP

  • Family Nurse Practitioner
  • Columbia, MD
National Provider Identifier
1629019757
Registry record updated Oct 28, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
R135421 Issued in MD
Practice address
5500 Knoll North Dr Ste 370
Columbia, MD 21045-2393
Phone
(410) 837-2050
NPI assigned
Jun 9, 2006
Last updated
Oct 28, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 28, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse Practitioner 363LF0000X R135421 MD Primary

Addresses

Primary practice location

5500 Knoll North Dr Ste 370
Columbia, MD 21045-2393

Mailing address

1111 N Charles St
Baltimore, MD 21201-5505
Phone (301) 352-7440

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: No
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20080107000804 MD Practitioner - Nurse Practitioner 6709966450 Reassigns benefits to 1 organization
I20080107000816 DC Practitioner - Nurse Practitioner 6709966450 Reassigns benefits to 2 organizations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
R135421MDMDFamily Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Unity Health Care, Inc. CurrentSince Apr 17, 2013 Accepting new patients
Unity Health Care Inc. CurrentSince Apr 17, 2013 Accepting new patients
Greater Baden Medical Service Incorporated CurrentSince Apr 1, 2025 Accepting new patients
Greater Baden Medical Service Incorporated Family CurrentSince Apr 1, 2025 Accepting new patients
J Richard Lilly MD Shaaron R Towns MD and Associates PC Past Accepting new patients

Locations

1310 Southern Ave SE
Washington, DC 20032
Phone (202) 574-6000

1900 Massachusetts Ave SE
Washington, DC 20003
Phone (202) 548-6203

7450 Albert Rd
Fl 3
Brandywine, MD 20613
Phone (301) 599-0460

8030 Matthews Rd
#105107
Bryans Road, MD 20616

1458 Addison Rd S
Capitol Heights, MD 20743
Phone (301) 324-1500

6 Garrett Ave
La Plata, MD 20646
Phone (301) 539-5100

23140 Moakley St
Ste 4
Leonardtown, MD 20650
Phone (301) 997-1029

21729 Great Mills Rd
Ste C
Lexington Park, MD 20653
Phone (240) 895-8396

Organizations & group practices 5

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1149811200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1793145600000",
    "number": "1629019757",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1111 N CHARLES ST",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212015505",
            "telephone_number": "301-352-7440"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5500 KNOLL NORTH DR STE 370",
            "city": "COLUMBIA",
            "state": "MD",
            "postal_code": "210452393",
            "telephone_number": "410-837-2050"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "JANICE",
        "middle_name": "KETCHAM",
        "credential": "FNP, DNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-06-09",
        "last_updated": "2026-10-28",
        "certification_date": "2026-10-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "MD",
            "license": "R135421",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Columbia, MD

Sources for this page

Verify at the official NPI Registry.