Active NPI
Mary Ann Krahn
- Clinical Social Worker
- Fresno, CA
National Provider Identifier
1457079113
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Social Worker
- License
- ASW139498
- Practice address
- 6051 N Fresno St Ste 202
Fresno, CA 93710-5280 - Phone
- (831) 809-4066
- NPI assigned
- Aug 18, 2022
- 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 4
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Community Health Worker | 172V00000X | |||
| Day Training/Habilitation Specialist | 373H00000X | CA | ||
| Counselor | 101Y00000X | |||
| Clinical Social Worker | 1041C0700X | ASW139498 | CA | Primary |
Addresses
Primary practice location
6051 N Fresno St Ste 202
Fresno, CA 93710-5280
Mailing address
6051 N Fresno St Ste 202
Fresno, CA 93710-5280
Phone (831) 809-4066
Other practice location 1
1410 F St Ste 101
Fresno, CA 93706-1608
Phone (559) 614-6869
Other practice location 2
1396 W Herndon Ave
Fresno, CA 93711-7126
Phone (831) 809-4066
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)
- Not enrolled
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Promesa Behavioral Health | 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 and National Provider Directory roles.
-
- Mental Illness Community Based Residential Treatment Facility
- Fresno, CA
- NPI 1962997221
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1660780800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783555200000",
"number": "1457079113",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "6051 N FRESNO ST STE 202",
"city": "FRESNO",
"state": "CA",
"postal_code": "937105280",
"telephone_number": "831-809-4066"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "6051 N FRESNO ST STE 202",
"city": "FRESNO",
"state": "CA",
"postal_code": "937105280",
"telephone_number": "831-809-4066"
}
],
"practiceLocations": [
{
"address_1": "1410 F St Ste 101",
"address_purpose": "LOCATION",
"city": "Fresno",
"state": "CA",
"postal_code": "937061608",
"country_code": "US",
"telephone_number": "559-614-6869",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "1396 W Herndon Ave",
"address_purpose": "LOCATION",
"city": "Fresno",
"state": "CA",
"postal_code": "937117126",
"country_code": "US",
"telephone_number": "831-809-4066",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "KRAHN",
"first_name": "MARY",
"middle_name": "ANN",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2022-08-18",
"last_updated": "2026-07-09",
"certification_date": "2026-07-09",
"status": "A"
},
"taxonomies": [
{
"code": "172V00000X",
"taxonomy_group": "",
"desc": "Community Health Worker",
"state": null,
"license": null,
"primary": false
},
{
"code": "373H00000X",
"taxonomy_group": "",
"desc": "Day Training/Habilitation Specialist",
"state": "CA",
"license": null,
"primary": false
},
{
"code": "101Y00000X",
"taxonomy_group": "",
"desc": "Counselor",
"state": null,
"license": null,
"primary": false
},
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "CA",
"license": "ASW139498",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Fresno, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 9, 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.