Individual provider Active NPI

Kristen Mathias

  • Rheumatology Physician
  • Baltimore, MD
National Provider Identifier
1962963066
Registry record updated Jun 3, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Rheumatology PhysicianTaxonomy code 207RR0500X
License
D0103562 Issued in MD
Practice address
5200 Eastern Ave Mason F. Lord Building
Center Tower, Suite 4100
Baltimore, MD 21224
Phone
(410) 550-2044
NPI assigned
Mar 29, 2019
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 3, 2025

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X D0103562 MD
Pulmonary Disease Physician 207RP1001X D0103562 MD
Rheumatology Physician 207RR0500X D0103562 MD Primary
Internal Medicine Physician 207R00000X 125.073947 IL

Addresses

Primary practice location

5200 Eastern Ave Mason F. Lord Building
Center Tower, Suite 4100
Baltimore, MD 21224

Mailing address

6201 Greenleigh Ave
Baltimore, MD 21220-2004
Phone (410) 933-6423

Other practice location 1

5841 S Maryland Ave
Chicago, IL 60637-1443
Phone (773) 834-2239

Other practice location 2

1800 Orleans St
Baltimore, MD 21287-0010
Phone (410) 955-5000

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
I20250610004299 MD Practitioner - RheumatologyPractitioner - Pulmonary DiseasePractitioner - Critical Care (Intensivists) 0244561041 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
RheumatologyAlso: Critical Care (Intensivists), Pulmonary Disease
Education
Baylor College of Medicine, 2019
Medicare assignment
May accept Medicare assignment
Telehealth
Offers telehealth services
Group practices
Johns Hopkins UniversityGroup PAC ID 8921903147, shared by 12 NPIs, 2,886 clinicians

Practice addresses (Care Compare)

1800 Orleans St
Baltimore, MD 21287-0010
Phone (410) 955-5000

4940 Eastern Ave
Baltimore, MD 21224-2735
Phone (410) 550-0100

Hospital & facility affiliations

  • Johns Hopkins Bayview Medical Center Hospital, Baltimore, MD, CCN 210029
  • Johns Hopkins Hospital, the Hospital, Baltimore, MD, CCN 210009

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
125.073947ILMDInternal Medicine Physician
D0103562MDMDPulmonary Disease Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Johns Hopkins University CurrentSince Aug 1, 2025 Accepting new patients
Johns Hopkins University Rheumatology CurrentSince Aug 1, 2025 Accepting new patients
Johns Hopkins University CurrentSince Aug 1, 2025 Accepting new patients
Johns Hopkins University Current Accepting new patients

Locations

4940 Eastern Ave
Baltimore, MD 21224

5200 Eastern Ave
Ste 4100
Baltimore, MD 21224
Phone (410) 550-2044

1800 Orleans St
Baltimore, MD 21287
Phone (410) 502-2037

5601 Loch Raven Blvd
Baltimore, MD 21239
Phone (443) 444-4714

6201 Greenleigh Ave
Middle River, MD 21220
Phone (410) 933-2704

Interoperability endpoints

  • Direct secure messaging: kmathias980028@direct.hopkinsmedicine.org

Organizations & group practices 4

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 3

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": "1553817600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1748908800000",
    "number": "1962963066",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6201 GREENLEIGH AVE",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212202004",
            "telephone_number": "410-933-6423"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5200 EASTERN AVE MASON F. LORD BUILDING",
            "address_2": "CENTER TOWER, SUITE 4100",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "21224",
            "telephone_number": "410-550-2044"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5841 S Maryland Ave",
            "address_purpose": "LOCATION",
            "city": "Chicago",
            "state": "IL",
            "postal_code": "606371443",
            "country_code": "US",
            "telephone_number": "773-834-2239",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1800 Orleans St",
            "address_purpose": "LOCATION",
            "city": "Baltimore",
            "state": "MD",
            "postal_code": "212870010",
            "country_code": "US",
            "telephone_number": "410-955-5000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MATHIAS",
        "first_name": "KRISTEN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-03-29",
        "last_updated": "2025-06-03",
        "certification_date": "2025-06-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MD",
            "license": "D0103562",
            "primary": false
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "MD",
            "license": "D0103562",
            "primary": false
        },
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "MD",
            "license": "D0103562",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "125.073947",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Baltimore, MD

Sources for this page

Verify at the official NPI Registry.