Active NPI
Genesis Treatment Services
- Methadone Clinic
- Frederick, MD
National Provider Identifier
1538789136
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Methadone Clinic
- Legal business name
- GENESIS TREATMENT SERVICES
- Practice address
- 1160 W Patrick St
Frederick, MD 21703-3962 - Phone
- (240) 831-4237
- NPI assigned
- Apr 23, 2020
- Organization subpart
- Yes
- Parent organization
- GENESIS TREATMENT SERVICES
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Joel Prell
- Title
- President
- Phone
- (410) 751-7771
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Methadone Clinic | 261QM2800X | Primary | ||
| Substance Use Disorder Rehabilitation Clinic/Center | 261QR0405X |
Addresses
Primary practice location
1160 W Patrick St
Frederick, MD 21703-3962
Mailing address
PO Box 194
Hampstead, MD 21074-0194
Phone (410) 751-7771
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 414973401 | Medicaid | MD |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MD
- Opioid treatment program
- Medicare-enrolled since May 13, 2020
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| O20200925000118 | MD | Part B Supplier - Opioid Treatment Program (Otp) | 6901950443 |
1 other NPI on this enrollment This NPI is an additional NPI on the enrollment Practice locations: Frederick, MD; Westminster, MD |
Other NPIs on the same Medicare enrollment 1
NPIs listed together on one Medicare enrollment, typically parts of the same organization.
National Provider Directory
National Provider Directory- Part of
- Genesis Treatment Services
Locations
1160 W Patrick St
Frederick, MD 21703
Phone (240) 831-4237
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1587600000000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1769990400000",
"number": "1538789136",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 194",
"city": "HAMPSTEAD",
"state": "MD",
"postal_code": "210740194",
"telephone_number": "410-751-7771"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1160 W PATRICK ST",
"city": "FREDERICK",
"state": "MD",
"postal_code": "217033962",
"telephone_number": "240-831-4237"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "GENESIS TREATMENT SERVICES",
"organizational_subpart": "YES",
"parent_organization_legal_business_name": "GENESIS TREATMENT SERVICES",
"enumeration_date": "2020-04-23",
"last_updated": "2026-02-02",
"certification_date": "2026-02-02",
"status": "A",
"authorized_official_last_name": "PRELL",
"authorized_official_first_name": "JOEL",
"authorized_official_title_or_position": "PRESIDENT",
"authorized_official_telephone_number": "410-751-7771"
},
"taxonomies": [
{
"code": "261QM2800X",
"taxonomy_group": "",
"desc": "Clinic/Center, Methadone",
"state": null,
"license": null,
"primary": true
},
{
"code": "261QR0405X",
"taxonomy_group": "",
"desc": "Clinic/Center, Rehabilitation, Substance Use Disorder",
"state": null,
"license": null,
"primary": false
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "414973401",
"state": "MD"
}
],
"endpoints": [],
"other_names": []
}Other providers in Frederick, MD
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 2, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.