Cardiologists near you

Cardiologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.

  1. Atlanta, GA
  2. Baltimore, MD
  3. Chicago, IL
  4. Dallas, TX
  5. Denver, CO
  6. Detroit, MI
  7. Houston, TX
  8. Los Angeles, CA
  9. Miami, FL
  10. New York, NY
  11. Orlando, FL
  12. Philadelphia, PA
  13. Phoenix, AZ
  14. Riverside, CA
  15. San Antonio, TX
  16. San Diego, CA
  17. San Francisco, CA
  18. Seattle, WA
  19. St. Louis, MO
  20. Tampa, FL
  21. Washington, DC

Chiropractors near you

Chiropractor providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.

  1. Atlanta, GA
  2. Baltimore, MD
  3. Boston, MA
  4. Charlotte, NC
  5. Chicago, IL
  6. Dallas, TX
  7. Denver, CO
  8. Detroit, MI
  9. Houston, TX
  10. Los Angeles, CA
  11. Miami, FL
  12. Minneapolis, MN
  13. New York, NY
  14. Orlando, FL
  15. Philadelphia, PA
  16. Phoenix, AZ
  17. Riverside, CA
  18. San Antonio, TX
  19. San Diego, CA
  20. San Francisco, CA
  21. Seattle, WA
  22. St. Louis, MO
  23. Tampa, FL
  24. Washington, DC

Dentists near you

Dentist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.

  1. Atlanta, GA
  2. Baltimore, MD
  3. Boston, MA
  4. Charlotte, NC
  5. Chicago, IL
  6. Dallas, TX
  7. Denver, CO
  8. Detroit, MI
  9. Houston, TX
  10. Los Angeles, CA
  11. Miami, FL
  12. Minneapolis, MN
  13. New York, NY
  14. Orlando, FL
  15. Philadelphia, PA
  16. Phoenix, AZ
  17. Riverside, CA
  18. San Antonio, TX
  19. San Diego, CA
  20. San Francisco, CA
  21. Seattle, WA
  22. St. Louis, MO
  23. Tampa, FL
  24. Washington, DC

Dermatologists near you

Dermatologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.

  1. Atlanta, GA
  2. Baltimore, MD
  3. Boston, MA
  4. Charlotte, NC
  5. Chicago, IL
  6. Dallas, TX
  7. Denver, CO
  8. Detroit, MI
  9. Houston, TX
  10. Los Angeles, CA
  11. Miami, FL
  12. Minneapolis, MN
  13. New York, NY
  14. Orlando, FL
  15. Philadelphia, PA
  16. Phoenix, AZ
  17. Riverside, CA
  18. San Antonio, TX
  19. San Diego, CA
  20. San Francisco, CA
  21. St. Louis, MO
  22. Tampa, FL
  23. Washington, DC

Family Physicians near you

Family Physician providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.

  1. Atlanta, GA
  2. Baltimore, MD
  3. Boston, MA
  4. Charlotte, NC
  5. Chicago, IL
  6. Dallas, TX
  7. Denver, CO
  8. Detroit, MI
  9. Houston, TX
  10. Los Angeles, CA
  11. Miami, FL
  12. Minneapolis, MN
  13. New York, NY
  14. Orlando, FL
  15. Philadelphia, PA
  16. Phoenix, AZ
  17. Riverside, CA
  18. San Antonio, TX
  19. San Diego, CA
  20. San Francisco, CA
  21. Seattle, WA
  22. St. Louis, MO
  23. Tampa, FL
  24. Washington, DC

OB-GYNs near you

OB-GYN providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.

  1. Atlanta, GA
  2. Baltimore, MD
  3. Boston, MA
  4. Charlotte, NC
  5. Chicago, IL
  6. Dallas, TX
  7. Denver, CO
  8. Detroit, MI
  9. Houston, TX
  10. Los Angeles, CA
  11. Miami, FL
  12. New York, NY
  13. Orlando, FL
  14. Philadelphia, PA
  15. Phoenix, AZ
  16. Riverside, CA
  17. San Antonio, TX
  18. San Diego, CA
  19. San Francisco, CA
  20. Seattle, WA
  21. St. Louis, MO
  22. Tampa, FL
  23. Washington, DC

Ophthalmologists near you

Ophthalmologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.

  1. Atlanta, GA
  2. Baltimore, MD
  3. Charlotte, NC
  4. Chicago, IL
  5. Dallas, TX
  6. Denver, CO
  7. Detroit, MI
  8. Houston, TX
  9. Los Angeles, CA
  10. Miami, FL
  11. Minneapolis, MN
  12. New York, NY
  13. Orlando, FL
  14. Philadelphia, PA
  15. Phoenix, AZ
  16. Riverside, CA
  17. San Diego, CA
  18. San Francisco, CA
  19. St. Louis, MO
  20. Tampa, FL
  21. Washington, DC

Orthopedic Surgeons near you

Orthopedic Surgeon providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.

  1. Atlanta, GA
  2. Baltimore, MD
  3. Boston, MA
  4. Charlotte, NC
  5. Chicago, IL
  6. Dallas, TX
  7. Denver, CO
  8. Detroit, MI
  9. Houston, TX
  10. Los Angeles, CA
  11. Miami, FL
  12. New York, NY
  13. Orlando, FL
  14. Philadelphia, PA
  15. Phoenix, AZ
  16. Riverside, CA
  17. San Antonio, TX
  18. San Diego, CA
  19. San Francisco, CA
  20. Seattle, WA
  21. St. Louis, MO
  22. Tampa, FL
  23. Washington, DC

Pediatricians near you

Pediatrician providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.

  1. Atlanta, GA
  2. Baltimore, MD
  3. Boston, MA
  4. Charlotte, NC
  5. Chicago, IL
  6. Dallas, TX
  7. Denver, CO
  8. Detroit, MI
  9. Houston, TX
  10. Los Angeles, CA
  11. Miami, FL
  12. Minneapolis, MN
  13. New York, NY
  14. Orlando, FL
  15. Philadelphia, PA
  16. Phoenix, AZ
  17. Riverside, CA
  18. San Antonio, TX
  19. San Diego, CA
  20. San Francisco, CA
  21. Seattle, WA
  22. St. Louis, MO
  23. Tampa, FL
  24. Washington, DC

Physical Therapists near you

Physical Therapist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.

  1. Atlanta, GA
  2. Baltimore, MD
  3. Boston, MA
  4. Charlotte, NC
  5. Chicago, IL
  6. Dallas, TX
  7. Denver, CO
  8. Detroit, MI
  9. Houston, TX
  10. Los Angeles, CA
  11. Miami, FL
  12. Minneapolis, MN
  13. New York, NY
  14. Orlando, FL
  15. Philadelphia, PA
  16. Phoenix, AZ
  17. Riverside, CA
  18. San Antonio, TX
  19. San Diego, CA
  20. San Francisco, CA
  21. Seattle, WA
  22. St. Louis, MO
  23. Tampa, FL
  24. Washington, DC

Podiatrists near you

Podiatrist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.

  1. Atlanta, GA
  2. Baltimore, MD
  3. Boston, MA
  4. Charlotte, NC
  5. Chicago, IL
  6. Dallas, TX
  7. Denver, CO
  8. Detroit, MI
  9. Houston, TX
  10. Los Angeles, CA
  11. Miami, FL
  12. New York, NY
  13. Orlando, FL
  14. Philadelphia, PA
  15. Phoenix, AZ
  16. Riverside, CA
  17. San Antonio, TX
  18. San Diego, CA
  19. San Francisco, CA
  20. Seattle, WA
  21. St. Louis, MO
  22. Tampa, FL
  23. Washington, DC

Psychiatrists near you

Psychiatrist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.

  1. Atlanta, GA
  2. Baltimore, MD
  3. Boston, MA
  4. Charlotte, NC
  5. Chicago, IL
  6. Dallas, TX
  7. Denver, CO
  8. Detroit, MI
  9. Houston, TX
  10. Los Angeles, CA
  11. Miami, FL
  12. Minneapolis, MN
  13. New York, NY
  14. Orlando, FL
  15. Philadelphia, PA
  16. Phoenix, AZ
  17. Riverside, CA
  18. San Antonio, TX
  19. San Diego, CA
  20. San Francisco, CA
  21. Seattle, WA
  22. St. Louis, MO
  23. Tampa, FL
  24. Washington, DC
Karen Ridenour, FNP, Family Physician

Karen Ridenour, FNP

Family Physician

2828 N. Stone Ave
Tucson, AZ 85705

Overall rating

Top reviews

Dr. Sunny is nothing but the best ! I've never had a doctor that is so passionate on how her patients are doing ! She cares on how your surroundings are at home and are you safe are you eating right and is it healthy how'Show mores your weight she says we have a diet program here if you're interested ! She's is the complete package for pain management and health care ! I love her and I enjoy my appointments ! Thank you Troy Hall

Troy H • March 23, 2026

Loved seeing karen n watching her educate & teach her new generation of staff to feel more comfortable in taking blood samples by feel not sight! Didnt feel a pinch! Healthcare is in good hands with sunny leading her team! SarShow moreah is always so efficient & accomodating! Immaculate appointment! (Sunny even donated sweaters & jackets for any patients that might be in need during these winter mornings! Bless her heart!

Edward W • January 28, 2026

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Karen Ridenour, FNP?


Services, Conditions and Procedures

Pain Management

Suboxone

Weight loss


Location

Cornerstone Health&Family Practice

2828 N. Stone Ave
Tucson, AZ, 85705


More About Karen Ridenour, FNP

Practice

Cornerstone Health&Family Practice

Specialties

Insurance

  • AARP - UnitedHealthcare Insurance Company
  • AARP Medicare Supplement Plans insured by UnitedHealthcare Insurance Company
  • Blue Cross Blue Shield of Arizona
  • UnitedHealthCare Community
  • UnitedHealthcare

NPI Number

1033205281

Provider's Gender

Female


Background and Education

Years practicing

24 years

Education

  • University of Washington, Washington State University, 1999

Associations

  • American Association of Nurse Practitioners

Reviews

4.95
579 Reviews

Karen is a compassionate caring professional, her concerns for her patients well being and health are her number one priority. She's great at what she does....

Gene A • April 21, 2026

Karen and her staff are user friendly. Easy to talk to and very knowledgeable. They make you feel taken care of instead of an impersonal office in a herd controlled environment.

Sue W • April 15, 2026

Excellent

Michael C • April 15, 2026

I love Dr Sunny Ridenour shes definitely gonna be missed at the end of May and Tucson doesnt realize they had a Diamond

Louis G • April 14, 2026

I enjoyed my visits because they are very friendly and welcoming

Sheron C • April 08, 2026

The whole staff takes care of you like your family. In my opinion, there’s no other place to go in Tucson. If you want care and you want pain, relief cornerstone is the place to go.

Michael H • April 07, 2026

She is great listens to what’s happening with your body and makes the people adjustments.

Brian L • April 06, 2026

Karen And her staff Are very down to Earth and very understanding the pain you are going through one of my best doctors that I have Karen is the best her whole staff Are Always There. Thank you very much for being there Awesome team peace

Jody K • April 06, 2026

Awesome Dr... Very helpful...

David C • April 02, 2026

Very friendly and professional staff!. Dr. Karen is a very caring doctor. She listens to you. Take your concerns valid always answer them. I'm lucky to have her as my doctor.

Ollie L • April 01, 2026

Not only is she a dr she makes patients feel like family .

Mary T • March 30, 2026

Dr Ridenour is always on point .. Always asking the right questions to make sure she can help you in the best way possible

James H • March 30, 2026

Beyond excellent. Very caring people

Daniel D • March 30, 2026

Dr. Sunny is nothing but the best ! I've never had a doctor that is so passionate on how her patients are doing ! She cares on how your surroundings are at home and are you safe are you eating right and is it healthy how's your weight she says we have a diet program here if you're interested ! She's is the complete package for pain management and health care ! I love her and I enjoy my appointments ! Thank you Troy Hall

Troy H • March 23, 2026

Awesome as usuall.. wouldnt want any other PCP

Troy C • March 23, 2026

As always all of my medical concerns were satisfied at Cornerstone Health. Thanks again. Cordially,Dwayne W Henderson

Dwayne H • March 18, 2026

Absolutely caring very educated and trusting . 5 stars all the way

Shanna H • March 18, 2026

Susan L • March 17, 2026

Very kind, understanding and through

Daniel D • March 16, 2026

They are the best. They treat their patients like family and they care. Thank you

Michael H • March 15, 2026

Your office personnel are amazing. I truly appreciate the fact that I am listened to and questions are asked to make sure that they know what I need and what I want and working with me to make my visit with you. Great, thank you and Sunny by herself is awesome thanks guys. Appreciate your time. I am grateful you let me join your practice.

Octavia P • March 12, 2026

I am grateful for Sunny and all her staff who is very kind and professional to me as a patient. You exceed all my health needs. Thankyou very much!

Maria M • March 12, 2026

CONSIDERATE and PROFESSIONAL

Louis G • March 12, 2026

Troy H • March 12, 2026

Karen Ridenour is an incredible practitioner

Brian S • March 12, 2026

As always services at Cornerstone Health took care of all of my medical concerns to satisfactory and beyond. Thanks again. Cordially,Dwayne W Henderson.

Dwayne H • March 12, 2026

Great primary care doctor she actually takes time to listen and cares.

Nichol O • March 12, 2026

Leonard R • March 12, 2026

Both Sunny and her staff are the best! Sunny really cares about me as a patient. she takes time to really explain my health to me in a way that's easy for me to understand. And explains to me things I can do to improve my health. 5+ stars

Benjamin R • March 12, 2026

Sunny and sarah and irene are the best dr and staff i have ever dealt with, thier kind courtious and very understanding.. they actually listen to thier patients complaints/pains rather then telling patients how they should feel etc

Troy C • March 12, 2026

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