OnePeak Medical
Functional Medicine • Lake Oswego, OR • Since 2015 • 1 location in Lake Oswego locations
About
OnePeak Medical is a primary care provider offering personalized, prevention-focused care with traditional and functional medicine approaches. They emphasize root-cause treatment, advanced lab testing, and hormone balancing. Founded in 2015 by Dr. Nisha Jackson, the practice operates 23 U.S. offices, including a Lake Oswego location. The Lake Oswego site provides whole-person care, aligned with OnePeak’s mission of healthy aging and preventive primary care. Key details: - Location: Lake Oswego, Oregon (OnePeak Medical Lake Oswego) - Approach: Primary care with functional medicine elements, advanced labs, and personalized plans - Network: 23 offices in Oregon (nationwide expansion data available on their site) - Founder: Dr. Nisha Jackson - Mission: Treat root cause, not just symptoms; prevention-focused, healthy aging If you’re specifically looking for Lake Oswego availability, you can contact OnePeak Medical Lake Oswego to confirm providers, appointment availability, and exact services offered at that location.
Clinic Type
Functional Medicine
Address
Lake Oswego, OR
Phone
541-748-3071
lakeoswego@onepeakmedical.com
Opening Hours
7:00 am - 5:00 pm
Telehealth
not specified
Emergency Care
Urgent care services
Services Offered
Technology & Equipment
Team
Insurance & Payment
We accept most health insurance plans. Coverage varies; staff will verify benefits before treatment.
Flexible payment plans, Affordable services, Self Pay, Insurance
Languages Spoken
FAQs
Do you accept insurance?
We accept most major insurances and will verify benefits prior to treatment.
What services are offered at this Lake Oswego location?
Primary care medicine, functional medicine, hormone testing and treatment, nutrition and fitness counseling, nutrient IVs and injections, PRP therapy, soundwave therapy, autoimmune treatment, urgent care services.
How can I book an appointment online?
Book Online (site provides online booking option) and call the clinic to schedule.
Social Media
Photos
What Patients Say
Overall sentiment across review platforms: mixed
- Birdeye: 4.6 out of 5 stars (162 reviews)
- Yelp/MapQuest: ~2.5 out of 5 stars (3 reviews)
Patients praise
- Welcoming environment/staff
- Short wait times
- Some providers described as thorough and caring
Common complaints
- Billing and insurance coverage issues
- Poor communication (unresponsive to portal messages/calls)
- Concerns regarding the expertise or thoroughness of some nurse practitioners
- Negative patient service experiences/hostility
"This is a great group. Very welcoming from the minute you walk in. No long wait times. Krista Espenship is very thorough and caring, as is her support staff."
— Yahoo Local/Yelp review by Colleen H."Everything can be improved. Starting with your billing which denied all claims one year ago when I first became a patient."
— Yahoo Local/Yelp review by Donna A."My provider was excellent in person. But she did not respond to portal messages, did not review labs in portal, did not return phone calls, did not talk to me ..."
— Trustpilot reviewSynthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].
Information sourced from the clinic's website as of . Own this clinic? Claim or correct this listing.
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