Active NPI
Center for Addictive Problems, Inc
- Methadone Clinic
- Chicago, IL
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Methadone Clinic
- License
- O-2027-0061-O
- Legal business name
- CENTER FOR ADDICTIVE PROBLEMS, INC
- Practice address
- 609 N Wells St
Chicago, IL 60654-3714 - Phone
- (312) 266-0404
- Fax
- (312) 266-8169
- NPI assigned
- Dec 18, 2006
- Last updated
- Aug 26, 2025
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Dr. Craig V Showalter, M.D.
- Title
- Medical Director
- Phone
- (312) 266-0404
Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Methadone Clinic | 261QM2800X | O-2027-0061-O | IL | Primary |
| Substance Use Disorder Rehabilitation Clinic/Center | 261QR0405X | NU |
Addresses
Primary practice location
609 N Wells St
Chicago, IL 60654-3714
Mailing address
609 N Wells St
Chicago, IL 60610-3714
Phone (312) 266-0404
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 21609559 | Other | IL | BCBS OF ILLINOIS |
Other names 1
- CAP
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in IL
- Opioid treatment program
- Medicare-enrolled since Oct 16, 2025
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| O20200408000796 | IL | Part B Supplier - Opioid Treatment Program (Otp) | 9436588712 | Practice locations: Chicago, IL |
Laboratory certificates & supplier records
Derived by NPIMapThese CMS records do not include an NPI. They are shown because their name and street address match this provider’s.
CLIA laboratory certificates
| CLIA number | Laboratory | Certificate | Expires |
|---|---|---|---|
| 14D0981218 | Center for Addictive Problems | Certificate of waiver | Dec 19, 2026 |
National Provider Directory
National Provider DirectoryLocations
609 N Wells St
Chicago, IL 60654
Phone (312) 266-0404
Practitioners & affiliated clinicians
Practitioners 8
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.
-
- Addiction Psychiatry Physician
- Northfield, IL
- NPI 1548299340
-
- Professional Counselor
- Chicago, IL
- NPI 1376494450
-
- Professional Counselor
- Chicago, IL
- NPI 1316898406
-
- Clinical Social Worker
- Chicago, IL
- NPI 1578414652
-
- Acute Care Nurse Practitioner
- Chicago, IL
- NPI 1275814709
-
- Licensed Practical Nurse
- Chicago, IL
- NPI 1538010491
-
- Addiction Medicine (Anesthesiology) Physician
- Chicago, IL
- NPI 1841336195
-
- Professional Counselor
- Chicago, IL
- NPI 1063363067
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1166400000000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1756166400000",
"number": "1285797761",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "609 N WELLS ST",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606103714",
"telephone_number": "312-266-0404",
"fax_number": "312-266-8169"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "609 N WELLS ST",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606543714",
"telephone_number": "312-266-0404",
"fax_number": "312-266-8169"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "CENTER FOR ADDICTIVE PROBLEMS, INC",
"organizational_subpart": "NO",
"enumeration_date": "2006-12-18",
"last_updated": "2025-08-26",
"certification_date": "2025-08-26",
"status": "A",
"authorized_official_last_name": "SHOWALTER",
"authorized_official_first_name": "CRAIG",
"authorized_official_middle_name": "V",
"authorized_official_title_or_position": "MEDICAL DIRECTOR",
"authorized_official_telephone_number": "312-266-0404",
"authorized_official_name_prefix": "Dr.",
"authorized_official_credential": "M.D."
},
"taxonomies": [
{
"code": "261QM2800X",
"taxonomy_group": "",
"desc": "Clinic/Center, Methadone",
"state": "IL",
"license": "O-2027-0061-O",
"primary": true
},
{
"code": "261QR0405X",
"taxonomy_group": "",
"desc": "Clinic/Center, Rehabilitation, Substance Use Disorder",
"state": "NU",
"license": null,
"primary": false
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BCBS OF ILLINOIS",
"identifier": "21609559",
"state": "IL"
}
],
"endpoints": [],
"other_names": [
{
"organization_name": "CAP",
"code": "5",
"type": "Other Name"
},
{
"organization_name": "CAP",
"code": "5",
"type": "Other Name"
}
]
}
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Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 26, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- 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.