Active NPI
Marissa Lynn Bartone, LCSW-C
- Clinical Social Worker
- Aberdeen, MD
National Provider Identifier
1699474262
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Social Worker
- License
- 30950
- Practice address
- 135 N Parke St
Aberdeen, MD 21001-2428 - Phone
- (443) 625-1600
- Fax
- (410) 272-3306
- NPI assigned
- Mar 2, 2023
- Last updated
- Jun 11, 2026
- 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 | 30950 | MD | Primary |
Addresses
Primary practice location
135 N Parke St
Aberdeen, MD 21001-2428
Mailing address
135 N Parke St
Aberdeen, MD 21001-2428
Phone (443) 625-1600
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: No
- Power mobility devices: No
- Hospice: No
Care Compare profile
Medicare Care Compare- Specialty
- Clinical Social Worker
- Education
- Other, 2023
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
135 N Parke St
Aberdeen, MD 21001-2428
Phone (443) 625-1600
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 30950 | MD | MD | Clinical Social Worker |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Key Point Health Services, Inc. | Past | Accepting new patients |
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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
- Adolescent and Children Mental Health Clinic/Center
- Aberdeen, MD
- NPI 1497760847
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1677715200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1781136000000",
"number": "1699474262",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "135 N PARKE ST",
"city": "ABERDEEN",
"state": "MD",
"postal_code": "210012428",
"telephone_number": "443-625-1600",
"fax_number": "410-272-3306"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "135 N PARKE ST",
"city": "ABERDEEN",
"state": "MD",
"postal_code": "210012428",
"telephone_number": "443-625-1600",
"fax_number": "410-272-3306"
}
],
"practiceLocations": [],
"basic": {
"last_name": "BARTONE",
"first_name": "MARISSA",
"middle_name": "LYNN",
"credential": "LCSW-C",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2023-03-02",
"last_updated": "2026-06-11",
"certification_date": "2026-06-11",
"status": "A"
},
"taxonomies": [
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "MD",
"license": "30950",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Aberdeen, MD
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 11, 2026; 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.