C. Lawrence Horn, MD
240-242-9856
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Location & Phone

Camalier Building                                 Directions
10215 Fernwood Road
Suite #520
Bethesda, Maryland 20817


Office Website

Communication Preferences

For routine matters, the preferred methods of communication are the Spruce app or phone. The Spruce App offers secure messaging and other options.

Unencrypted email is not secure and should not be used for sending protected health information. Dr Horn's email address is drhorn@ogmha.com.

Messages are typically returned within 24 hours during weekdays.

For urgent matters when you need to interrupt Dr. Horn, please call his cell at 888-406-4560.

Phone Numbers

Main Telephone:
Emergency:
Main Fax:
Business Office:
240-242-9856
888-406-4560
301-897-8537
301-897-0099

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After Hours Phone Calls

When the office is closed, you may call the main telephone number to leave a message for Dr. Horn which he will return during the next business day, or for urgent matters, call 888-406-4560 to reach Dr. Horn directly. In an emergency, you should call 911 or go to the nearest emergency room.
 Phone: 240-242-9856 | Practice Manager: La Shawn Farrish 301-897-0099 ext. 300 |  Fax: 301-897-8537
10215 Fernwood Road, Suite 520, Bethesda, MD 20817

Patient Portal----Request invitation from Dr. Horn