Active NPI
Natasha Martinez, LCSW-C
- Clinical Social Worker
- Baltimore, MD
National Provider Identifier
1770468779
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Social Worker
- License
- 28664
- Practice address
- 600 N Wolfe St
Baltimore, MD 21287-0005 - Phone
- (443) 287-3242
- NPI assigned
- Aug 8, 2025
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Clinical Social Worker | 1041C0700X | 28664 | MD | Primary |
Addresses
Primary practice location
600 N Wolfe St
Baltimore, MD 21287-0005
Mailing address
600 N Wolfe St
Baltimore, MD 21287-0005
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: 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
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
Baltimore, MD 21224
Phone (323) 205-7088
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Mental Health Specialty Group PA | Current | 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 and National Provider Directory roles.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1754611200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1784073600000",
"number": "1770468779",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "600 N WOLFE ST",
"city": "BALTIMORE",
"state": "MD",
"postal_code": "212870005"
},
{
"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": "443-287-3242"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MARTINEZ",
"first_name": "NATASHA",
"credential": "LCSW-C",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2025-08-08",
"last_updated": "2026-07-15",
"certification_date": "2026-07-15",
"status": "A"
},
"taxonomies": [
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "MD",
"license": "28664",
"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 Jul 15, 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.