Active NPI
Joan Leidy Bielefeld, M.D.
- Child & Adolescent Psychiatry Physician
- Towson, MD
National Provider Identifier
1356463764
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Child & Adolescent Psychiatry Physician
- License
- D0028192
- Practice address
- 1122 Kenilworth Dr
Suite 315
Towson, MD 21204-2139 - Phone
- (410) 823-1600
- Fax
- (410) 823-0593
- NPI assigned
- Apr 5, 2007
- Sex
- Female
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Psychiatry Physician | 2084P0800X | D0028192 | MD | |
| Child & Adolescent Psychiatry Physician | 2084P0804X | D0028192 | MD | Primary |
Addresses
Primary practice location
1122 Kenilworth Dr
Suite 315
Towson, MD 21204-2139
Mailing address
1122 Kenilworth Dr
Suite 315
Towson, MD 21204-2139
Phone (410) 823-1600
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
- Opted out of Medicare
- Yes, effective Jan 16, 2015 through Jan 16, 2027
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| D0028192 | MD | MD | Psychiatry Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1175731200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757548800000",
"number": "1356463764",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1122 KENILWORTH DR",
"address_2": "SUITE 315",
"city": "TOWSON",
"state": "MD",
"postal_code": "212042139",
"telephone_number": "410-823-1600",
"fax_number": "410-823-0593"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1122 KENILWORTH DR",
"address_2": "SUITE 315",
"city": "TOWSON",
"state": "MD",
"postal_code": "212042139",
"telephone_number": "410-823-1600",
"fax_number": "410-823-0593"
}
],
"practiceLocations": [],
"basic": {
"last_name": "BIELEFELD",
"first_name": "JOAN",
"middle_name": "LEIDY",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2007-04-05",
"last_updated": "2025-09-11",
"status": "A"
},
"taxonomies": [
{
"code": "2084P0800X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Psychiatry",
"state": "MD",
"license": "D0028192",
"primary": false
},
{
"code": "2084P0804X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Child & Adolescent Psychiatry",
"state": "MD",
"license": "D0028192",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Towson, MD
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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; Opt Out Affidavits.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.