Demean Family Medicine

Demean Family Medicine We are a Family Practice Clinic that provides Primary Care and Telemedicine She graduated with a Bachelor of Science in Nursing in 2004.

Meet Our Provider: Tammy Demean, RN, BSN, ARNP graduated from Purdue University Global in 2019 with a 4.0 gpa and is board certified as a Family Nurse Practitioner by the Academy of Nurse Practitioners and is licensed in both Idaho and Washington. Tammy began her career in healthcare as a Volunteer First Responder/EMT with the Craigmont Quick Response Unit when she was in Highschool. She then beca

me a CNA and began working for Alternative Nursing Services both in Lewiston and Kamiah and eventually worked at St. Josephs Regional Medical Center while she was completing her undergraduate degree from Lewis-Clark State College. Tammy continued to work full time, and care for her family while pursuing each of her degrees. After graduating from LCSC, Tammy spent almost 17 years providing care in all areas of nursing throughout the Pacific Northwest, most notably 5.5 years at several major hospitals in the Seattle area. Her areas of experience include Medical/Surgical, Intensive Care, Telemetry, Cardiac, Nephrology, Intermediate Care, Labor and Deliver, Pre and Post Operative Care, Rural Healthcare, Urgent Care, and Emergency Medicine. Tammy lives in Lewiston with her husband and 4 daughters and has been providing primary healthcare at Columbia Family Clinic in Dayton Washington, Waitsburg Family Clinic in Waitsburg Washington, and providing Emergency Medical Services at Dayton General Hospital's Emergency Room. She has ventured out on her own and is providing primary care to members of the Lewiston, Clarkston and surrounding areas.

04/21/2026
Update: We are back up and running, yeah!!!We are still working to get our website up and running. If you are trying to...
03/18/2026

Update: We are back up and running, yeah!!!

We are still working to get our website up and running. If you are trying to login to your patient portal you can still access it with the Athena Health App or by going to athenahealth.com and logging in from there.

John Wisniewski joined Demean Family Medicine in 2026 as a board‑certified Family Nurse Practitioner through the America...
03/07/2026

John Wisniewski joined Demean Family Medicine in 2026 as a board‑certified Family Nurse Practitioner through the American Academy of Nurse Practitioners. He holds a Master of Science in Nursing from Keiser University in West Palm Beach, Florida, a Bachelor of Science in Nursing from Lewis‑Clark State College in Lewiston, Idaho, and a Licensed Practical Nurse certificate from the College of Southern Idaho in Twin Falls.

Before becoming an FNP, John spent seven years practicing as a Nurse in both long‑term care and oncology settings, gaining extensive experience in complex patient care. Earlier in his career, he served six years in the U.S. Army as a Non‑Commissioned Officer and mental health technician, including one combat deployment to Afghanistan. His diverse clinical and military background informs a compassionate, disciplined, and patient‑centered approach to care.

12/17/2025

We are open as of now. If we end up losing power we will have to close for the safety of our patients and staff. Stay safe out there and if you wouod rather reschedule just let us know via your portal or phone.

Found one earring… let us know if you have the match
12/11/2025

Found one earring… let us know if you have the match

🎁🎈Happy Birthday to the fearless leader of our clinic🎈🎁Please take a moment and wish Tammy a very happy birthday! 🥳
10/29/2025

🎁🎈Happy Birthday to the fearless leader of our clinic🎈🎁
Please take a moment and wish Tammy a very happy birthday! 🥳

Daisy in her element! Loving on people 🥰💞💗💯
10/26/2025

Daisy in her element! Loving on people 🥰💞💗💯

Address

1331 G Street
Lewiston, ID
83501

Opening Hours

Monday 7:30am - 5:30pm
Tuesday 7:30am - 5:30pm
Wednesday 7:30am - 5:30pm
Thursday 7:30am - 5:30pm

Telephone

+12087439616

Website

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