Individual provider Active NPI

Maeve Jones-O'Connor, MD

  • Cardiovascular Disease Physician
  • Baltimore, MD
National Provider Identifier
1669950366
Registry record updated Jul 25, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Cardiovascular Disease PhysicianTaxonomy code 207RC0000X
License
D0094328 Issued in MD
Practice address
600 N Wolfe St
Baltimore, MD 21287-0005
Phone
(410) 955-5000
NPI assigned
Aug 3, 2018
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 25, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X D0094328 MD
Internal Medicine Physician 207R00000X 275698 MA
Cardiovascular Disease Physician 207RC0000X D0094328 MD Primary

Addresses

Primary practice location

600 N Wolfe St
Baltimore, MD 21287-0005

Mailing address

6201 Greenleigh Ave
Middle River, MD 21220-2004
Phone (410) 502-2037

Other practice location 1

Massachusetts General Hospital
55 Fruit St
Boston, MA 02114
Phone (617) 643-2000

Other practice location 2

1800 Orleans St
Baltimore, MD 21287-0010
Phone (410) 502-2037

Other identifiers 1

IdentifierTypeStateIssuer
000000OtherNA

Electronic endpoints 1

TypeEndpointUseAffiliation
CONNECT URL /api/users

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
I20250729003712 MD Practitioner - Cardiovascular Disease (Cardiology)Practitioner - Internal Medicine 5496006249 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Cardiovascular Disease (Cardiology)Also: Internal Medicine
Education
Other, 2017
Medicare assignment
May accept Medicare assignment
Group practices
Johns Hopkins UniversityGroup PAC ID 8921903147, 2,886 clinicians
Johns Hopkins UniversityGroup PAC ID 1052223229, 196 clinicians

Practice addresses (Care Compare)

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

600 N Wolf St
Baltimore, MD 21287-0005
Phone (410) 955-5000

600 N Wolfe St
Blalock 266
Baltimore, MD 21287-0005
Phone (410) 502-4340

Hospital & facility affiliations

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

Procedures performed for Medicare patients

ProcedureNumber of procedures
Coronary angioplasty and stenting1-10
Pacemaker insertion or repair1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
275698MAMDInternal Medicine Physician
D0094328MDMDCardiovascular Disease Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Johns Hopkins University CurrentSince Jul 15, 2025 Accepting new patients
Johns Hopkins University CurrentSince Jul 15, 2025 Accepting new patients
Johns Hopkins University Cardiovascular Disease CurrentSince Jul 15, 2025 Accepting new patients
Johns Hopkins University CurrentSince Jul 15, 2025 Accepting new patients
Johns Hopkins University Current Accepting new patients
Frederick Health Hospital Inc Past Accepting new patients

Locations

600 N Wolfe St
Ofc
Baltimore, MD 21287
Phone (410) 955-3091

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

600 N Wolfe St
Baltimore, MD 21287

4940 Eastern Ave
Baltimore, MD 21224

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

Interoperability endpoints

  • Direct secure messaging: mjonesoconnor843824@direct.hopkinsmedicine.org

Organizations & group practices 6

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": "1533254400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1753401600000",
    "number": "1669950366",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6201 GREENLEIGH AVE",
            "city": "MIDDLE RIVER",
            "state": "MD",
            "postal_code": "212202004",
            "telephone_number": "410-502-2037",
            "fax_number": "410-500-4266"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "600 N WOLFE ST",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212870005",
            "telephone_number": "410-955-5000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "Massachusetts General Hospital",
            "address_2": "55 Fruit St",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "02114",
            "country_code": "US",
            "telephone_number": "617-643-2000",
            "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": "410-502-2037",
            "fax_number": "410-955-0737",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "JONES-O'CONNOR",
        "first_name": "MAEVE",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-08-03",
        "last_updated": "2025-07-25",
        "certification_date": "2025-07-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MD",
            "license": "D0094328",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "275698",
            "primary": false
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "MD",
            "license": "D0094328",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "NA",
            "identifier": "000000",
            "state": null
        }
    ],
    "endpoints": [
        {
            "endpointType": "CONNECT",
            "endpointTypeDescription": "CONNECT URL",
            "endpoint": "/api/users",
            "affiliation": "N",
            "address_1": "55 Fruit St",
            "city": "Boston",
            "state": "MA",
            "country_code": "US",
            "postal_code": "021142621",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Baltimore, MD

Sources for this page

Verify at the official NPI Registry.