Thayse Graciella Lozovoy Madsen Barbosa, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

D010449 Issued in MD

Practice address

5601 Loch Raven Blvd
Russell Morgan Building, Suite 300
Baltimore, MD 21239

Phone

(443) 444-5600

Fax

(866) 639-5350

NPI assigned

Apr 5, 2022

Last updated

Mar 23, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

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

Specialty

Internal Medicine

Education

Other, 2011

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Medstar Medical Group II LLCGroup PAC ID 0547413825, 3,726 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Medstar Health Home Care Home health agency, Baltimore, MD, CCN 217068
• Medstar Good Samaritan Hospital Hospital, Baltimore, MD, CCN 210056
• Medstar Union Memorial Hospital Hospital, Baltimore, MD, CCN 210024

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Medstar Medical Group II LLC

  • General Practice Physician
  • Baltimore, MD
  • NPI 1184046187
  Medicare reassignment Care Compare group NPD
• Medstar Medical Group II LLC

  • Internal Medicine Physician
  • Washington, DC
  • NPI 1376887844
  NPD (past)

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

• Medstar Health Visiting Nurse Association, Inc.

  dba MedStar Health Home Care

  • Home Health Agency
  • Baltimore, MD
  • NPI 1790899524
  Care Compare affiliation
• The Good Samaritan Hospital of Maryland, Inc

  dba MedStar Good Samaritan

  • General Acute Care Hospital
  • Baltimore, MD
  • NPI 1811084718
  Care Compare affiliation
• The Union Memorial Hospital

  • General Acute Care Hospital
  • Baltimore, MD
  • NPI 1487741427
  Care Compare affiliation

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

{
    "created_epoch": "1649116800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774224000000",
    "number": "1518608231",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5601 LOCH RAVEN BLVD",
            "address_2": "RUSSELL MORGAN BUILDING, SUITE 300",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "21239",
            "telephone_number": "443-444-5600",
            "fax_number": "866-639-5350"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5601 LOCH RAVEN BLVD",
            "address_2": "RUSSELL MORGAN BUILDING, SUITE 300",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "21239",
            "telephone_number": "443-444-5600",
            "fax_number": "866-639-5350"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MADSEN BARBOSA",
        "first_name": "THAYSE GRACIELLA",
        "middle_name": "LOZOVOY",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-04-05",
        "last_updated": "2026-03-23",
        "certification_date": "2026-03-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MD",
            "license": "D010449",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Illonda Madison
• Rossie Madjaroff, PA-C, MPAS
• Madonna Healthcare Services Inc
• Jose A Madrazo, MD
• Patryk Madrid, DNP
• Brandon Michael Madsen
• Obinna Madu, MD
• Ijeoma J Madubata, PHD
• Kelechi Maduchukwu
• Meghan Madura, M.S., CCC-SLP

• Internal Medicine Physician in Baltimore, MD
• Providers in Baltimore, MD by specialty
• Internal Medicine Physician in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 23, 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.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.