Locations

Single-story beige office building with large windows beside a road and parked car, under leafless trees

8821 Columbia 100 Parkway

Suites 1A, 1, 2, 3A, 3B, 4, and 5

Address

8821 Columbia 100 Parkway

Columbia, MD 21045

Contact Numbers

Main Office: 410-997-1700

Fax: 410-740-8315

Poison Control: 800-222-1222

Single-story office building with glass doors, leafless trees, and a sign out front in a suburban lot

8827 Columbia 100 Parkway

Suite 1A 

Office Hours

Monday - Friday: 9am - 5pm


Evening After Hours

Monday - Thursday: 5pm - 7pm


Saturday: 9am - 2pm

Sunday & Holidays: 10am - 2pm

*Closed Christmas Day

Appointments

  • Our main phone line 410-997-1700 opens Monday through Saturday at 8:30 a.m. and Sundays at 9 a.m. to schedule same day sick appointments for our Columbia pediatric practice.
  • On Saturdays we have appointments in Suite 1 and 2.
  • On Sundays and Holidays we have appointments in Suite 2.

Answering Service

If you are calling after-hours (Monday-Thursday between 4:45 p.m. and 8:30am, Friday between 4pm and 8:30am) or on weekends or holidays the phone message will inform you to press zero “0” for further instructions. Once you press zero “0” another message will come on with instructions for reaching the office or the on-call provider. For medical emergencies, call 911.

Suite Groupings & Info

Dr. Alexander

Suite 1A

410-715-0080, Option 1

Fax: 667-200-5953

Dr. Chatterjee | Dr. Kahwaty

Suite 1

410-964-1056

Fax: 410-740-8315

Dr. Brown

Suite 2

410-997-1700

Fax: 410-740-8315

Dr. Juang  | Dr. Thompson               

Mrs. Matthai

Suite 3A

410-997-6400

Fax: 410-730-6198

Dr. Shah | Dr. Wang

Suite 3B

410-715-0080, Option 2

Fax: 410-730-6198

Dr. Bolten | Mrs. Bird

Suite 4

410-992-0510

Fax: 410-730-6198

Dr. Winkles | Dr. Zeroth

Suite 5

410-794-4924

Fax: 410-715-0829

Dr. Wollney 

Suite 1AA (Bldg 8827)

410-997-0500

Fax: 410-730-8898

Map