GARRETT TREATMENT CENTER, LLC
NPI 1992221055
Clinic/Center in Oakland, MD
About Garrett Treatment Center, Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GARRETT TREATMENT CENTER, LLC (NPI 1992221055) is a healthcare organization registered as a clinic/center in Oakland, Maryland and active in the NPI registry since August 2017. The organization holds a CLIA Waiver certificate valid through April 12, 2027 and lists Richard Perry, Physician, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Garrett Treatment Center, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Garrett Treatment Center, LLC, which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Waiver 21D2220436
Garrett Treatment Center · Oakland, MDFrequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Garrett Treatment Center, LLC's NPI number?
The NPI number for Garrett Treatment Center, LLC is 1992221055. It was assigned to this organization in the NPPES registry on August 20, 2017.
Where is Garrett Treatment Center, LLC located?
Garrett Treatment Center, LLC is located at 233 East Alder Street Suite A, Oakland, MD 21550. The listed phone number is (301) 616-6042.
What is Garrett Treatment Center, LLC's specialty?
The primary specialty registered for this NPI is Clinic/Center with taxonomy code 261Q00000X.
Is Garrett Treatment Center, LLC enrolled in Medicare?
Yes. Garrett Treatment Center, LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Garrett Treatment Center, LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Addiction Medicine) reassigns their Medicare billing to Garrett Treatment Center, LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Garrett Treatment Center, LLC hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 21D2220436) is associated with this NPI, valid through April 12, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
When was this NPI record last updated?
The NPPES record for Garrett Treatment Center, LLC was last updated on September 25, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Garrett Treatment Center, Llc · NPI 1992221055
Clinic/Center organization in Oakland, Maryland. Organization record, active in the CMS NPPES registry since August 20, 2017.
## Identity
- **NPI:** 1992221055 (Entity type: Organization)
- **Enumerated:** August 20, 2017
- **Primary specialty:** Clinic/Center · taxonomy 261Q00000X
- **Organization subpart:** No
- **Authorized official:** Richard Perry, PHYSICIAN
## Practice location
- **Address:** 233 EAST ALDER STREET, SUITE A, Oakland, MD 21550
- **Phone:** (301) 616-6042
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Addiction Medicine) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 25, 2017
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1992221055) · Data from the CMS NPPES public registry.