Meet Our Pharmacy Family

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Kelsey Epstein, PharmD

Kelsey grew up in Flagstaff and graduated from Northern Arizona University in 2012 with a BS in Chemistry. She then graduated from University of Colorado in 2017 with a Doctorate of Pharmacy (PharmD). She met Lauren while attending NAU and became interested in compounding. Kelsey attends compounding and hormone conferences to further her education and to keep up with the ever-changing pharmacy industry. When she isn’t compounding at the pharmacy, Kelsey enjoys traveling, hiking with her furry friends, and skiing in the winter. She bought the pharmacy from Lauren in 2017.


Lauren Driebe, R.Ph.

Lauren graduated from Auburn University in 1987 with a BS in Pharmacy. She is a third-generation pharmacist and has spent her entire career in independent pharmacy. She worked in the family pharmacy that began with her grandfather in the 1920s. In 1998 Lauren bought a pharmacy in Fort Gaines, GA where she began focusing on bio-identical hormone replacement therapy for women. Lauren attends hormone conferences every year to keep current with the ever changing information and the new therapies available. Because of her extensive knowledge of hormones, she is an invaluable resource to practitioners and patients. She moved to Flagstaff in 2006 with her husband and two sons.She decided to open up a compounding only pharmacy in July 2009. She sold the pharmacy in 2017 to Kelsey and now works part time. And loves it!!


Ken Herron, CPhT

Ken is a Flagstaff native and regularly enjoys the outdoors whenever he can. He attended NAU and graduated in 1990. He has 25 years in the pharmacy industry and has been a certified licensed Technician for many years. In addition to his work compounding medications, he also gives back to the community by volunteering for Coconino County Sheriff’s Search and Rescue. When not working, you can find him running the trails around Flagstaff with his dog.

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Jon Gleeman, PharmD

I am Jon Gleeman a 1999 graduate of the University of Minnesota College of Pharmacy. I have been practicing pharmacy in Flagstaff for over 20 years. I am very excited to be part of the Mortar and Pestle team.

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Fannicsia June, Pharmacy Technician

Hello. My name is Fanniscia June. I’m the one on the left. I’m originally from Kaibeto, Arizona on the Navajo Reservation. I originally started my compounding career at Flagstaff Pharmacy in 2004. I’ve been compounding non-sterile and sterile compounds since then. I love compounding, I also love being able to give back in a unique way by making drugs that benefit patients with allergies or needing HRT. I’m happy to be a part of the team at mortar and pestle.

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Kristi Mascarenas, PharmD

Kristi grew up in Raton, NM and moved to Albuquerque for her undergraduate degree in Biology at the University of New Mexico. She worked for a while in pharmaceutical lab research and then decided to go to pharmacy school. She attended Midwestern University in Glendale, AZ, and graduated in June of 2022. She enjoys spending time with her husband, two daughters, and snuggling her dogs. We are excited to have her as a new member of the team!

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Larry Sarah Epstein, Pharmacy Mascot

Hi! My name is Larry Epstein. I have lived in Flagstaff for 2 years and I’m excited to be part of the team. I help with random pharmacy inspections to make sure that there are plenty of treats and tennis balls available in case we have 4 legged visitors. My hobbies include chasing squirrels, barking, fetching tennis balls and snuggling for naps. I hope to see you soon.

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Egg Benedict Bethany Epstein, Human Resources

Hello! My name is Egg. I am new to Flagstaff and the pharmacy team. My job is to assist with HR and make sure everyone is doing well. This often takes place during pharmacy inspections and involves one on one meetings with the staff. Often there are treats involved. Please come give us a try for all of your pharmacy needs!