Active NPI
Maeve Jones-O'Connor, MD
- Cardiovascular Disease Physician
- Baltimore, MD
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Cardiovascular Disease Physician
- License
- D0094328
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 000000 | Other | NA |
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| 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
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Cardiovascular Disease (Cardiology)
- Education
- Other, 2017
- Medicare assignment
- May accept Medicare assignment
- Group practices
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
- Johns Hopkins Hospital, the
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Coronary angioplasty and stenting | 1-10 |
| Pacemaker insertion or repair | 1-10 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 275698 | MA | MD | Internal Medicine Physician |
| D0094328 | MD | MD | Cardiovascular Disease Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Johns Hopkins University | Current | Accepting new patients | |
| Johns Hopkins University | Current | Accepting new patients | |
| Johns Hopkins University | Cardiovascular Disease | Current | Accepting new patients |
| Johns Hopkins University | Current | 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
- 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.
-
- Interventional Cardiology Physician
- Baltimore, MD
- NPI 1881388122
-
- Pain Medicine (Anesthesiology) Physician
- Baltimore, MD
- NPI 1922008549
-
- Ophthalmology Physician
- Belcamp, MD
- NPI 1376342774
-
- Cardiovascular Disease Physician
- Baltimore, MD
- NPI 1801891080
-
- Optometrist
- Arlington, VA
- NPI 1316750508
-
- General Acute Care Hospital
- Frederick, MD
- NPI 1538165527
Hospital & facility affiliations 3
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Baltimore, MD
- NPI 1790700904
-
- Chronic Disease Hospital
- Baltimore, MD
- NPI 1336251412
-
- General Acute Care Hospital
- Baltimore, MD
- NPI 1578597993
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 25, 2025; 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.