Active NPI
Markus K Jackson, LCSW
- Clinical Social Worker
- South Bend, IN
National Provider Identifier
1518955434
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Social Worker
- License
- 34004900A
- Practice address
- 105 E Jefferson Blvd
Suite 700
South Bend, IN 46601-1922 - Phone
- (574) 232-2255
- Fax
- (574) 287-9377
- NPI assigned
- Oct 13, 2005
- Sex
- Male
- 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 | 34004900A | IN | Primary |
Addresses
Primary practice location
105 E Jefferson Blvd
Suite 700
South Bend, IN 46601-1922
Mailing address
105 E Jefferson Blvd
Suite 700
South Bend, IN 46601-1922
Phone (574) 232-2255
Other identifiers 2
| Identifier | Type | State | Issuer |
|---|---|---|---|
| PVPB106032 | Other | IN | AMERICAN PSYCH SYSTEMS |
| 000000368745 | Other | IN | ANTHEM |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 34004900A | IN | MD | Clinical Social Worker |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1129161600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1518955434",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "105 E JEFFERSON BLVD",
"address_2": "SUITE 700",
"city": "SOUTH BEND",
"state": "IN",
"postal_code": "466011922",
"telephone_number": "574-232-2255",
"fax_number": "574-287-9377"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "105 E JEFFERSON BLVD",
"address_2": "SUITE 700",
"city": "SOUTH BEND",
"state": "IN",
"postal_code": "466011922",
"telephone_number": "574-232-2255",
"fax_number": "574-287-9377"
}
],
"practiceLocations": [],
"basic": {
"last_name": "JACKSON",
"first_name": "MARKUS",
"middle_name": "K",
"name_prefix": "Mr.",
"credential": "LCSW",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-10-13",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "IN",
"license": "34004900A",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "AMERICAN PSYCH SYSTEMS",
"identifier": "PVPB106032",
"state": "IN"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "ANTHEM",
"identifier": "000000368745",
"state": "IN"
}
],
"endpoints": [],
"other_names": []
}
Other providers in South Bend, IN
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.