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
Omar On, pa-c, Physician Assistant

Omar On, pa-c

Physician Assistant

774 East Avenue
Chico, CA 95926

Overall rating

Top reviews

As someone who has experienced a miracle cure from stage 4 cancer, I have been under the care of many well respected doctors, and know a bit about gold standard treatment. When it comes to dermatology, I have complete confidence tShow morehat O. Jay On and Chico-dermatology provide the absolute best care available, and I would never risk going anywhere else.

John R. • February 13, 2026

After 23 days of a skin issue, and several rounds of antibiotics and incorrect diagnoses from my GP/ER, Mr Jay On was such a relief. He was very thorough and I felt like I was finally heard. I am finally able to get the correct trShow moreeatment and return to work. I highly recommend this office! Thank you so much!

Nichole Michelle A. • February 21, 2026

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Got questions for
Omar On, pa-c?


About Omar On, pa-c

For over 25 years, O. Jay On, PA, has treated patients for a variety of skin conditions and cosmetic preferences. He currently practices at Chico Dermatology in Chico, California, specializing in general dermatology, dermatologic surgery, and cosmetic dermatology. Patients frequently come to him for sclerotherapy to treat their spider veins, Botox® wrinkle reduction, and facial contouring with name-brand dermal fillers like Juvederm™ and Restylane®.

O. Jay’s passion for health care is apparent in all that he does. Since graduating from Stanford University’s selective physician assistant program, O. Jay has served as a lecturer for Stanford’s physician assistant/nurse practitioner program on dermatological conditions. He even earned the Mary Em Wallace Teacher of the Year award from the school. He uses his renowned public speaking skills for guest lectures across the country, often speaking on behalf of pharmaceutical companies and medical providers. 

In addition to live lectures, O. Jay is known for his webcast and classroom presentation for ninth and tenth grade students, “Live in Your Skin for a Lifetime,” about acne and proper skin care habits. He created the presentation on an unrestricted educational grant. 

Today, O. Jay holds memberships with the Sacramento Valley Dermatologic Society, the Society of Dermatology Physician Assistants, the American Academy of Physician Assistants, and the California Academy of Physician Assistants. Through these associations, he keeps up on the latest techniques and technologies in his field of practice. 

At Chico Dermatology, O. Jay’s main priority is to give his patients healthy skin that they’re proud to show off. He teaches them to care for their skin outside of treatment and to find a new appreciation for their natural features.


Services, Conditions and Procedures

Skin Cancer

Psoriasis

Eczema

Evolve X

Acne Scars

Facial Rejuvenation

Laser Hair Removal

Spider Veins


Location

Chico Dermatology

774 East Avenue
Chico, CA, 95926


More About Omar On, pa-c

Practice

Chico Dermatology

Specialties

NPI Number

1295889871

Provider's Gender

Male


Reviews

4.91
1149 Reviews

Always great! Quick, thorough, and friendly.

Steven C. • March 14, 2026

OJ is always friendly and professional.

Walter H. • March 14, 2026

One of my favorite Doctors. Personality is the the best. Fun and positive !

Robert F. • March 13, 2026

Buena

Gabriela M. • March 11, 2026

Dr On makes you feel like you have known him since the early days of his career!!! I would strongly recommend him to anyone who has any type of skin or dermatology issues !!!! HE’S SIMPLY THE BEST IN CHICO CA.

Keith O. • March 10, 2026

Chico Dermatology is the best place to go for skin care. The office staff is super friendly and helpful. The nurses, the PA and doctor are very knowledgeable and take care of you in a professional manner. I wouldn't go anywhere else.

Donna R. • March 10, 2026

Excellent Dermatologist office. You will love the service they provide. The Dr's and staff are wonderful.

Dennis P. • March 05, 2026

Healthy skin and good humor. Always a great combination. OJ is the best.

Brian A H. • March 04, 2026

OJ is one of the most thorough and personable physicians I have been to. The staff is also friendly and helpful!

Winfred B. • March 04, 2026

It’s always great. O. Jay On is wonderful. I have been comming to him for at least 25yrs. He along with the staff are professionals and top notch. Betsy Coutts

Elizabeth C. • March 04, 2026

Always on time, and makes everyone feel comfortable

Kara L. • March 03, 2026

Very comfortable going to O.Jay, what I don't find he always does, it's very important to get checked

Catherine Louise R. • February 27, 2026

O Jay On is highly professional, friendly & truly cares for the patient he sees He takes his time to listen to their needs and does everything he can to meet those needs and concerns

Kathy S. • February 27, 2026

Great guy good Dr.

Bruce V S. • February 25, 2026

Dr O J treated me for a very sore skin condition . As always he was friendly, did a Great job and made a bad sore feel much better . He’s been my Dr for a very long time. I wouldn’t see anyone else. Barbara and his staff are the BEST.

L A W. • February 24, 2026

After 23 days of a skin issue, and several rounds of antibiotics and incorrect diagnoses from my GP/ER, Mr Jay On was such a relief. He was very thorough and I felt like I was finally heard. I am finally able to get the correct treatment and return to work. I highly recommend this office! Thank you so much!

Nichole Michelle A. • February 21, 2026

Chico Dermatology is the best. I enjoy coming to my appointment. The staff is great to. Thank you.

David U. • February 19, 2026

We think O. Jay On is the greatest!

Manuel M. • February 16, 2026

Quick and efficient, as always

Gregory S. • February 14, 2026

As someone who has experienced a miracle cure from stage 4 cancer, I have been under the care of many well respected doctors, and know a bit about gold standard treatment. When it comes to dermatology, I have complete confidence that O. Jay On and Chico-dermatology provide the absolute best care available, and I would never risk going anywhere else.

John R. • February 13, 2026

OJ is great. I have had several dermatologists in my life and he is one of the best. His practice is efficient and pleasant.

Michael M. • February 13, 2026

Dr. O Jay is outstanding! Always in a great mood, personable and professional. I see him every 6 months and a special trip to have some shotgun pellets removed from my face. “Long story” anyways, he got them out and it wasn’t easy. Did a great job! Thanks doc!

Michael F. • February 10, 2026

Great

Diane Beverly W. • February 10, 2026

Personal, professional and timely.

Kirk Jr J. • February 06, 2026

Great people, really enjoy and appreciate people like Dr. O Jay, Sarah, and others.

Ernest J. • February 05, 2026

Took time to explain medication options and offered options. Felt he understands my condition and I appreciate his input.

Janet S. • February 04, 2026

In my opinion if you haven’t seen a dermatologist, making an appointment with O.Jay on is a must. Early detection of skin cancer is key in preventing serious health issues.

Richard D. • January 24, 2026

Dr O J and his back and front office staff are top notch! Long time client and very satisfied!

Leslie S. • January 23, 2026

OJ always does a great job

Christopher B. • January 23, 2026

OJ patiently froze off a lot of my bothersome skin tags while being very supportive.

Birute V. • January 22, 2026

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