Active NPI
Kirk Chisholm, LCSW, MASTER CASAC
- Clinical Social Worker
- Brooklyn, NY
National Provider Identifier
1619349180
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Social Worker
- License
- 099544
- Practice address
- 15 2ND Ave
Brooklyn, NY 11215-2711 - Phone
- (212) 966-9537
- Fax
- (212) 584-5450
- NPI assigned
- Oct 23, 2015
- Last updated
- Sep 24, 2025
- 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 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Addiction (Substance Use Disorder) Counselor | 101YA0400X | 21964 | NY | |
| Social Worker | 104100000X | 101764 | NY | |
| Clinical Social Worker | 1041C0700X | 099544 | NY | Primary |
Addresses
Primary practice location
15 2ND Ave
Brooklyn, NY 11215-2711
Mailing address
15 2ND Ave
Brooklyn, NY 11215-2711
Phone (212) 966-9537
Other practice location 1
138 E 26th St Fl 5
New York, NY 10010-1899
Phone (212) 966-9537
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
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 21964 | NY | MD | Addiction (Substance Use Disorder) Counselor |
| 101764 | NY | MD | Social Worker |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Revcore Recovery Center of Manhattan, LLC | Past | Accepting new patients | |
| Revcore Recovery Center of Manhattan | Past | Accepting new patients |
Organizations & group practices 2
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.
-
- Substance Use Disorder Rehabilitation Clinic/Center
- New York, NY
- NPI 1467027342
-
- Substance Use Disorder Rehabilitation Clinic/Center
- New York, NY
- NPI 1134593510
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1445558400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1758672000000",
"number": "1619349180",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "15 2ND AVE",
"city": "BROOKLYN",
"state": "NY",
"postal_code": "112152711",
"telephone_number": "212-966-9537",
"fax_number": "212-584-5450"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "15 2ND AVE",
"city": "BROOKLYN",
"state": "NY",
"postal_code": "112152711",
"telephone_number": "212-966-9537",
"fax_number": "212-584-5450"
}
],
"practiceLocations": [
{
"address_1": "138 E 26th St Fl 5",
"address_purpose": "LOCATION",
"city": "New York",
"state": "NY",
"postal_code": "100101899",
"country_code": "US",
"telephone_number": "212-966-9537",
"fax_number": "212-584-5450",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "CHISHOLM",
"first_name": "KIRK",
"name_prefix": "Mr.",
"credential": "LCSW, MASTER CASAC",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2015-10-23",
"last_updated": "2025-09-24",
"certification_date": "2025-09-24",
"status": "A"
},
"taxonomies": [
{
"code": "101YA0400X",
"taxonomy_group": "",
"desc": "Counselor, Addiction (Substance Use Disorder)",
"state": "NY",
"license": "21964",
"primary": false
},
{
"code": "104100000X",
"taxonomy_group": "",
"desc": "Social Worker",
"state": "NY",
"license": "101764",
"primary": false
},
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "NY",
"license": "099544",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Brooklyn, NY
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 24, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.