MMI Locations & Hours
Mid-Maryland Musculoskeletal Institute
86 Thomas Johnson Court, Frederick, Maryland 21702
Phone (301) 694-8311
Toll Free (800) 349-9386
Main Fax (301) 694-3537
Physical Therapy Fax (301) 694-2714
MMI Pediatric Physical Therapy
184 Thomas Johnson Drive, Suite 104, Frederick, Maryland 21702
Phone (301) 694-8311 ext 1145
Fax (301) 694-7941
MMI Urbana
3430 Worthington Boulevard, Suite 101, Urbana, MD 21704
Located at the FMH Urbana Building
Phone (301) 694-8311 ext 1196
Fax (301) 847-2530
MMI Hagerstown – Rheumatology and Physical Therapy
1829 Howell Road, Suite 4, Hagerstown, Maryland 21740
Phone (301) 694-8311 ext 1190
Toll Free (800) 349-9386
Fax (301) 797-0731
MMI Physical Therapy Services
170 Thomas Johnson Drive, Suite 102, Frederick, MD 21702
Phone (301) 694-8311 ext 1160
Fax (301) 695-4324
Download Patient Registration Forms

Office Hours
Our office is closed during most major holidays.
- Monday: 8am – 8pm
- Tuesday: 8am – 8pm
- Wednesday: 8am – 8pm
- Thursday: 8am – 8pm
- Friday: 9am – 4pm
- Saturday: 8am – 12pm
- Sunday: Closed