Open ARMMS, Inc.


2590 Business Park Ct.
Waldorf, MD 20601


Monday5:30am – 10:00am
Tuesday5:30am – 10:00am
Wednesday5:30am – 10:00am
Thursday5:30am – 10:00am
Friday5:30am – 10:00am
Saturday7:00am – 10:00am


Call: 301-645-5538


Clinic Description

Open ARMMS, Inc. is a methadone clinic Waldorf MD that specializes in treating opioid dependent patients. This methadone clinic is an outpatient opioid treatment program that has operated in Waldorf, Maryland for years. Located off Crain Highway, this clinic is situated in an environment conducive enough for treatment programs and accessible to all kinds of clients. Open ARMMS, Inc. having been in existence for more than 25 years, has attended to a lot of patients, thereby gaining experience in addiction medicine. This outstanding methadone clinics in Maryland has attended to the needs of patients in the Tri-County region of Southern Maryland and environs since early 1990’s. The clinic has contributed immensely in treatment of narcotic addiction. This methadone clinic Waldorf MD offers treatment services that range from medication-assisted treatment (MAT) to opioid treatment on demand (OTOD). Open ARMMS, Inc. recognizes the uniqueness of patients and provides options for personalization of treatment schemes. Treatment is individualized and streamlined towards solving the needs of patients.

Where do calls go?

Calls to numbers on a specific treatment center listing will be routed to that treatment center. Additional calls will also be forwarded and returned by one of our treatment partners below.

Calls to any general helpline (non-facility specific 1-8XX numbers) for your visit will be answered by ARK Behavioral Health, a paid advertiser on

All calls are private and confidential.