Location: Columbia

5500 Knoll North Drive
Suite 440
Columbia, MD 21045

Phone: (410) 730-0970
Fax: (410) 730-0161

Directions from I-695:

  • Take I-70 toward Frederick and go west for 4.5 miles.
  • Take exit for Rt. 29 South, Columbia Pike and go south
  • Merge onto MD-175 E/Little Patuxent Pkwy via EXIT 20A toward Jessup
  • Turn left onto Thunder Hill Rd
  • Turn left onto Lightning View Rd.
  • Turn left onto Knoll North Dr.

Directions from I-95:

  • Take exit 41A, 175 W. Rouse Parkway.
  • Turn right on Thunder Hill Rd.
  • Turn left on Lightening View Rd.
  • Turn left onto Knoll North Dr.
  • Office on 4th floor, Suite 440.

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Columbia Schedule

Doctors Monday Tuesday Wednesday Thursday Friday Saturday
Dr. Boyd . . . . 7:30am-4:45pm 7:30am-4:45pm 7:30am-11:30am 7:30am-12:45pm . . . .
Dr. Halayko 7:30am-4:40pm 7:30am-9:40am*  . . . . 7:30am-4:40pm  . . . . 8:00am-11:30am
Dr. Ritter . . . . 10:10am-4:30pm**
9:20am-4:30pm***
8:30am-4:40pm 8:30am-4:40pm 8:30am-4:40pm . . . .
Dr. Droulette 8am-5pm 8am-5pm . . . . . . . . . . . . . . . .
Dr. Janney 7:40am-5:40pm 7:40am-5:40pm 7:40am-4:40pm 1:00pm-4:40pm 7:40am-4:40pm . . . .
*1st & 3rd Tues/month
**1st & 3rd Tues/month
***2nd & 4th Tues/month