Naturopathic Doctor in Carefree, AZ
Dr. Isaac Yosef, NMD, and Lina Kay, PA-C, look for the cause of chronic fatigue, Lyme disease, gut trouble and mold illness, with testing a routine panel leaves out.

- Isaac Yosef, NMD
- Lina Kay, PA-C, MS
- EAV, thermography and HRV testing
- Office on East Bell Road
How Our Naturopathic Doctor Helps Carefree, AZ Patients
A naturopathic doctor asks why your symptoms started, then treats that cause with natural therapies chosen from your own test results. Dr. Yosef is an integrative physician who works mainly with chronically ill patients whose illness has been hard to name, addressing underlying imbalances and toxic overload rather than one symptom at a time.
For patients in Carefree, consultation, testing, treatment and follow-up all happen in one office in north Scottsdale.

Who Our Naturopathic Care Helps
Our care is built for people who have not found answers elsewhere and want a plan grounded in measurement.
- Chronic fatigue syndrome or lingering Lyme disease
- SIBO, SIFO, IBS and other digestive disorders
- Histamine intolerance and mold illness
- Inflammatory disorders and chronic disease
- Hormone changes affecting energy, sleep or mood
- Joint pain you would rather treat without surgery
Normal Lab Results Do Not End the Search
Long-term illness rarely has a single cause. We review gut health, hormones, nutrient levels and toxic load together, then adjust your plan as your results change.
Specialized Testing Beyond a Routine Panel
Standard labs can read normal while you still feel unwell. These tests add detail a routine checkup rarely covers.
EAV Testing
Electrodermal Acupuncture According to Voll reads skin response at acupuncture points. About EAV
Thermography
Infrared imaging that maps heat patterns across the body without radiation.
Heart Rate Variability
Beat-to-beat timing that shows stress load and how well you recover. About HRV
Blood and Urine Tests
Customized lab panels chosen for your symptoms rather than a fixed menu.
Natural Therapies in Your Plan
Each plan uses only the therapies your testing supports, often several at once.
Homeopathic and Herbal Treatments
Plant medicines and homeopathic remedies chosen for your symptoms, history and test results. They are often the first layer of a plan.
Bioidentical and Homeopathic HRT
Customized hormone therapy in either form, set from your lab results. It suits patients whose energy, sleep or mood track with changing hormone levels.
IV Therapy
IV formulas for immune support, inflammation, detoxification, adrenal support and energy, along with antibiotic, antifungal and antiviral aims.
Orthomolecular Medicine
We identify nutritional deficiencies, then correct them with customized oral and IV doses of vitamins and minerals.
Nutritional and Dietary Counseling
Food guidance built on your allergy testing, needs and goals, so what you eat supports the rest of your plan.
Regenerative Injection Therapy
Platelet Rich Plasma and Prolozone injections are non-surgical options for joint pain.
Avacen and Biomodulator Devices
We use the Avacen and the Biomodulator to help reduce pain and inflammation alongside your other therapies.
Weight Loss Support
Oral supplements and injection therapies for weight loss, paired with a nutrition plan built for you.
From First Visit to Follow-Up
Every step builds on the one before it, so your plan always reflects your latest results.
- 1
Consultation
We go through your history, past results and goals, and you leave knowing which tests make sense.
- 2
Testing
We order only what your case calls for, from lab panels to EAV, thermography or HRV.
- 3
Your Plan
We explain your results and build a plan from the therapies that fit them.
- 4
Follow-Up
We recheck your progress and adjust doses or therapies as you improve.
Meet Your Naturopathic Care Team
Two clinicians with different focus areas share your care, so chronic, digestive and environmental concerns are handled under one roof.

Dr. Isaac Yosef, NMD
Treats chronically ill patients with elusive illness such as chronic fatigue syndrome and Lyme disease.

Lina Kay, PA-C, MS
Extensive experience with SIBO, SIFO, IBS, histamine intolerance and mold illness.

Visiting Our Scottsdale Office From Carefree, AZ
Our office is in north Scottsdale on East Bell Road. From Carefree, head south on Pima Road or Scottsdale Road to Bell Road.
FAQ About Naturopathic Doctors in Carefree, AZ
Are naturopathic doctors real doctors in Arizona?
Yes. Arizona licenses naturopathic medical doctors, who use the NMD title after graduating from an accredited four-year naturopathic medical school and passing board exams. Dr. Isaac Yosef is an NMD, and our team also includes Lina Kay, a certified physician assistant.
Can a naturopathic doctor be my primary care doctor?
Arizona's scope of practice allows licensed NMDs to work as primary care physicians. Our own focus is chronic illness that has been hard to diagnose, so many patients keep their regular doctor and see us for that part of their care.
Can a naturopathic doctor prescribe medication in Arizona?
Arizona allows licensed NMDs to prescribe many medications within limits set by state law. Our plans start with natural therapies such as homeopathic, herbal and nutritional care, matched to your test results.
How is a naturopathic doctor different from a functional medicine doctor?
Both look for the root cause of illness rather than treating symptoms one at a time. A naturopathic doctor in Arizona holds a state NMD license and is trained in natural therapies such as herbal, homeopathic and nutritional medicine, while functional medicine is an approach that doctors from several professions can adopt.
How do I choose a naturopathic doctor in Carefree, AZ?
Confirm that the doctor holds an Arizona NMD license, then look for a focus that matches your concern. If your illness is long-standing or your routine labs came back normal, ask what testing goes beyond a standard panel and how results shape the plan.
Does insurance cover naturopathic care?
Coverage for naturopathic visits, testing and therapies varies by plan and by service. Ask about cost when you reach out, since your total depends on which tests and therapies your plan includes.