Great Northwest Animal Hospital

8843 Grissom Rd.
San Antonio, TX  78251

Near the corner of Grissom and Timber Path,
across from the Bill Miller's parking lot.

Phone: (210)681-4278
Fax: (210)681-4323



 Heartworm Prevention
Compliance Program!

Your pet will qualify for a discount when you purchase 6 consecutive doses of heartworm prevention on time with proof of no missed doses in the previous 6 months. (Maximum of 2 discounts per year, 6 months apart)

Great Northwest Animal Hospital Building

Reminder: We are closed the last Saturday
of every month and some holidays. 

In April we will close at Noon on Friday, 4/24/15 for the Battle of Flowers Parade in addition to Saturday, 4/25/15.



Why Is Heartworm Prevention Important?


Great Northwest Animal Hospital
8843 Grissom Rd.
San Antonio, TX  78251 


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Hospital Hours

7am - 6pm, Mon - Fri
8am - 12 noon, Saturday
Closed the last Saturday
of the month
and some holidays.

Doctors hours are by appointment, please
call 210-681-4278 to schedule.

Is your pet our patient?
in here to see their records.

Don't have a password yet?  
Use our Contact Us Form and type "Need Website Login" in the Message Box.

Interested in having your pet's profile in your back pocket? Please click below for Petwise Mobile App download instructions.

Petwise Mobile

While logged into your computer or App you can even request food or medication refills for pickup by clicking  "Refill" on your pet's Medication or Medical History Tabs. As long as the refill is Doctor approved we'll get it ready for you.

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