Trusted Medical Care.
Aesthetic Results.
Personalized Healthcare, Functional Medicine, and Advanced Med Spa treatments — all under one roof.
Why Choose Advanced Specialty Care?
This isn’t just a business—it’s a reflection of what we believe in. We’re here to create work that matters, led by a shared commitment to quality and care.
Book An Appointment Today!
Take the first step towards looking and feeling your best. Schedule an appointment with our expert team today.
Personalized Specialty Care
New & Exclusive Patient Specials
South Nampa
Our Locations
North Nampa
Address:
16111 North Brinson Street #110
Nampa, ID 83687
Phone: (208) 468-9400
Fax: (208) 468-9447
Hours
Monday–Friday
8am–5pm
Boise - Eagle
Address:
4850 N Rosepoint Way #100
Boise, ID 83713
Phone: (208) 939-2100
Fax: (208) 468-9447
Hours
Monday–Friday
8am–5pm
Address:
215 East Hawaii Ave #220
Nampa, Idaho 83686
Phone: (208) 331-4200
Fax: (208) 468-9447
Hours
Monday–Friday
8am–5pm
Meet Our Providers
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Dr. Gary Gregerson
MD, F.A.C.O.G, Obstetrics & Gynecology
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Dr. Bethany Mello
DNP, Family Nurse Practitioner
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Dr. Keith Lutter
DO, Obstetrics & Gynecology
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Dr. Jim Mccoy
MD, Behavioral Health, Psychiatry
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Danielle Sutton
MSN, NP-C
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Keri Johnson
FNP-C, CWHS, Root-Cause Dermatology Certified
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Rachael Knuteson
NP-C
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Cozette Koenig
FNP-C
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Devin Milliron
FNP-C
Frequently Asked Questions
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At Advanced Specialty Care, we understand that every person's journey to wellness is unique. That's why we offer a wide range of services designed to meet you where you are-from functional medicine and gynecology to pain management, mental health, and advanced medical aesthetics. Our experienced providers are here to support your health and confidence with care tailored to your individual needs.
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Whole-person care for every season of life—annual wellness, preventive screenings, same-week sick visits, and ongoing management for chronic conditions. We coordinate labs and imaging, fine-tune medications, and partner with you on goals like weight management, sleep, energy, and stress.
Highlights: wellness exams • women’s health • chronic care • medication management • labs & referrals • TeleVisits
Schedule a wellness visit and stay ahead of your health. -
If you’re asking “why is this happening?” we dig deeper. Our root-cause approach uses advanced labs and a detailed health history to uncover drivers like hormone imbalance, gut dysfunction, inflammation, and nutrient deficits. Then we personalize your plan—nutrition, lifestyle, BHRT, and targeted therapies—to restore balance and long-term vitality.
Focus areas: hormones & BHRT • gut health • metabolic health & weight • energy & sleep • inflammation support
Get a tailored plan that treats causes—not just symptoms. -
Subtle, confidence-boosting results guided by medical expertise. From skin rejuvenation and tightening to body contouring, hair treatments, and intimate wellness, we prioritize natural-looking outcomes and safety at every step.
Services include: facials & resurfacing (LMNT, microdermabrasion, microneedling, CO₂, Alma Harmony/IQ) • tightening (Renuvion, vShape Ultra) • body sculpting, liposuction & fat transfer (BeautiFill) • PDO threads • female rejuvenation (Femilift, vFit, labia puffing) • hair restoration & removal
Book a consultation to design your signature treatment plan.
What patients are saying
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"Dr. Gregerson is the best 10/10 recommend he is amazing at what he does."
— ALONDRA JIMENEZ
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"Bethany Mello NP is an excellent provider. She does thorough testing to ensure that my medications are adequate for my needs. She listens and asks appropriate questions. I never feel rushed."
—DORRIE PHILLIPS
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"Great staff!! Victoria and Danielle are amazing. They make you feel like family. Thank you Victoria!!"
—SUSAN ENGLAND
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"Advanced specialty care is an amazing office to work with. From Victoria at the front desk who is absolutely amazing to the MA's and the Providers. I wouldn't go anywhere else for care. Its kind and caring environment. If I could give more than five stars I would."
—MARY PERRON
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"Primary care, as well as testosterone treatment. Staff is great and scheduling system is very easy to use."
—CAMDEN MCALLISTER
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"I just had my first appointment with Rachael and it was the best “doctors” appointment I’ve ever had. She not only heard me she LISTENED with no judgment. First time in my life I’m excited for a follow up!"
—COURTNEY SNAVELY
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"I'd recommend this physicians clinic to absolutely everyone. I'm personally seeing Rachael Knuteson as my primary and I couldn't be more pleased. She's, 100%, the most thorough, involved, expeditious, primary I've had. From the front office to the back, they're a class act. Highly recommended."
—AL JENKINS
