Lilja S. Stefansson, MD

Primary specialty

Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X

License

D0096508 Issued in MD

Practice address

330 N Howard St
Baltimore, MD 21201-3610

Phone

(410) 576-1414

NPI assigned

Jun 8, 2010

Sex

Female

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in MA

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: lilja.stefansson.p1@direct.cwcare.nextgenshare.com

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.

• Atrius Health, Inc.

  • Internal Medicine Physician
  • Beverly, MA
  • NPI 1114265634
  NPD
• Atrius Health, Inc.

  • Internal Medicine Physician
  • Burlington, MA
  • NPI 1225183726

  Obstetrics & Gynecology

  NPD
• Atrius Health, Inc.

  • Internal Medicine Physician
  • Boston, MA
  • NPI 1871639914

  Obstetrics & Gynecology

  NPD
• Planned Parenthood of Maryland, Inc.

  • Ambulatory Family Planning Facility
  • Baltimore, MD
  • NPI 1235242082
  NPD (past)

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

{
    "created_epoch": "1275955200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782086400000",
    "number": "1083934541",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "330 N HOWARD ST",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212013610",
            "telephone_number": "410-576-1414"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "330 N HOWARD ST",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212013610",
            "telephone_number": "410-576-1414"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "STEFANSSON",
        "first_name": "LILJA",
        "middle_name": "S.",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2010-06-08",
        "last_updated": "2026-06-22",
        "certification_date": "2026-06-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "MD",
            "license": "D0096508",
            "primary": true
        },
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "MA",
            "license": "267701",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "VA",
            "license": "0116022299",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Charles Steenbergen Jr., M.D.
• Katherine Alexa Steere, MS, CF-SLP
• Robin Lynn Stefan, LCSW-C
• Abi Stefanelli, LMSW
• Nada Stefanovic, M.D.
• Steff Inc.
• Kayla Steg
• Rena Steger
• Robert Killian Stegman Jr., RPH
• Alyssa Renee Stehman, PA

• Obstetrics & Gynecology Physician in Baltimore, MD
• Providers in Baltimore, MD by specialty
• Obstetrics & Gynecology Physician in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 22, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.