Active NPI
Julia Hartley Mason, LCSW-C
- Clinical Social Worker
- Baltimore, MD
National Provider Identifier
1003526492
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Social Worker
- License
- 28751
- Practice address
- 120 Penn St
Baltimore, MD 21201-1082 - Phone
- (410) 706-2500
- NPI assigned
- Nov 28, 2022
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Clinical Social Worker | 1041C0700X | 28751 | MD | Primary |
Addresses
Primary practice location
120 Penn St
Baltimore, MD 21201-1082
Mailing address
2520 Windsor Rd
Parkville, MD 21234-6232
Phone (443) 651-6512
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in DC
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: No
- Power mobility devices: No
- Hospice: No
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Clinical Social Worker
- Education
- Other, 2022
- Medicare assignment
- May accept Medicare assignment
Practice addresses (Care Compare)
66 E Flagler St
Miami, FL 33130-1807
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Grow Healthcare Group PA | Clinical | Current | Accepting new patients |
Locations
8300 Boone Blvd
Ste 500
Vienna, VA 22182
Phone (703) 884-2598
Networks
- devoted network organization-2d523d8e-e8f9-454a-bcd3-333df65bdbe8
- devoted network organization-8ee96498-f86e-45f6-9fc9-a0f06c1636f9
- devoted network organization-9f3dfbd3-4aa6-4c92-8e71-9c4ed35ce037
Organizations & group practices 1
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.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1669593600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1764892800000",
"number": "1003526492",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2520 WINDSOR RD",
"city": "PARKVILLE",
"state": "MD",
"postal_code": "212346232",
"telephone_number": "443-651-6512"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "120 PENN ST",
"city": "BALTIMORE",
"state": "MD",
"postal_code": "212011082",
"telephone_number": "410-706-2500"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MASON",
"first_name": "JULIA",
"middle_name": "HARTLEY",
"name_prefix": "Miss",
"credential": "LCSW-C",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2022-11-28",
"last_updated": "2025-12-05",
"certification_date": "2025-12-05",
"status": "A"
},
"taxonomies": [
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "MD",
"license": "28751",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"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 Dec 5, 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.