Summary

Dr. Jonathan Sykes treats facial fractures, skull fractures, and cellulitis, and performs fiberoptic pharyngoscopy, flexible laryngoscopy, and abscess drainage. He practices otolaryngology–head and neck surgery and neurosurgery and has 45 years of experience.

Dr. Sykes completed his residency at Northwestern Memorial Hospital and earned his medical degree from George Washington University School of Medicine & Health Sciences. He is affiliated with University of California Davis Medical Center, Mercy General Hospital, Mercy Hospital of Folsom, Sutter Roseville Medical Center, Methodist Hospital of Sacramento, Multicare Yakima Memorial, Kaiser Permanente Roseville Medical Center, and Trios Southridge Hospital, and sees patients across locations in California, Washington, and Oregon. Patients on Vitals rate Dr. Sykes 3.81 out of 5.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 3.8
  • 45 years of experience
  • speaks English
  • Northwestern Memorial Hospital
  • 15 written reviews
  • 2 specialties
  • 15 areas of expertise
  • 8 hospital affiliations
  • 16 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Jonathan Mark Sykes has 16 locations

The Skin Clinic Med Spa

6927 Brockton Ave Ste 1aRiverside, CA 92506
Mon9:00 am - 6:00 pm
Tue9:00 am - 6:00 pm
Wed9:00 am - 6:00 pm
Thu9:00 am - 6:00 pm
Fri9:00 am - 6:00 pm
Sat9:00 am - 3:00 pm
SunClosed

University Of California Davis Medical Group Otolaryngology Clinic

2521 Stockton Blvd Ste 5200Sacramento, CA 95817
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Sutter Roseville Medical Center

1 Medical Plaza DrRoseville, CA 95661

Mercy Hospital Of Folsom

1650 Creekside DrFolsom, CA 95630

University Of California Davis Medical Center

2315 Stockton BlvdSacramento, CA 95817

Mercy General Hospital

4001 J StSacramento, CA 95819

Methodist Hospital Of Sacramento

7500 Hospital DrSacramento, CA 95823

Trios Southridge Hospital

3810 Plaza WayKennewick, WA 99338

Synergy Medaesthetics

4504 W 26th Ave Ste 130Kennewick, WA 99338
Mon9:00 am - 6:00 pm
Tue9:00 am - 6:00 pm
Wed9:00 am - 6:00 pm
Thu9:00 am - 6:00 pm
Fri9:00 am - 6:00 pm
SatClosed
SunClosed

Esthetixmd Spa And Laser Center

115 SW Allen RdBend, OR 97702
Mon9:00 am - 7:00 pm
Tue8:00 am - 7:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 7:00 pm
Fri8:00 am - 7:00 pm
Sat9:00 am - 6:00 pm
Sun9:00 am - 4:00 pm

Lift Aesthetics

1834 1st StNapa, CA 94559
Mon9:00 am - 6:00 pm
Tue9:00 am - 6:00 pm
Wed9:00 am - 6:00 pm
Thu9:00 am - 6:00 pm
Fri9:00 am - 6:00 pm
SatClosed
SunClosed

Multicare Yakima Memorial

2811 Tieton DrYakima, WA 98902

Roseville Surgery Center

1420 E Roseville Pkwy Ste 100Roseville, CA 95661
Mon6:00 am - 5:00 pm
Tue6:00 am - 5:00 pm
Wed6:00 am - 5:00 pm
Thu6:00 am - 5:00 pm
Fri6:00 am - 5:00 pm
SatClosed
SunClosed

Synergy Medaesthetics

921 Seattle Slew Run Ste BYakima, WA 98908
Mon9:00 am - 6:00 pm
Tue9:00 am - 6:00 pm
Wed9:00 am - 6:00 pm
Thu9:00 am - 6:00 pm
Fri9:00 am - 6:00 pm
SatClosed
SunClosed

Compare with Similar Doctors

Dr. Jonathan Mark Sykes, MD
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Dr. Jonathan Mark Sykes, MDDr. Helen Xiao-Ou Xu, MDDr. Robin Ann Dyleski, MDDr. Robert Habbestad, MD
Otolaryngology-Head & Neck SurgeryOtolaryngology-Head & Neck SurgeryOtolaryngology-Head & Neck SurgeryOtolaryngology-Head & Neck Surgery
Accepts New Patients Accepts New Patients
3.8 
5 
2.6 
3.5 
45 Years of Experience 40 Years of Experience 38 Years of Experience 48 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English, Spanish Speaks English, Spanish Speaks English, Spanish
Riverside , CALoma Linda , CAFontana , CAMontclair , CA
Med School: George Washington University School Of Medicine & Health Sciences Med School: Zhejiang Medical University Med School: Keck School Of Medicine Of The University Of Southern California Med School: Howard University College Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Jonathan Mark Sykes

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. Jonathan Mark Sykes has the following 2 specialties

Specialty Expertise

Dr. Jonathan Mark Sykes has the following 15 areas of expertise

  • Allergies
  • Chronic Sinusitis
  • Cleft Lip
  • Cleft Palate
  • Deviated Septum
  • Facelift (Rhytidoplasty)
  • Facial Trauma
  • Hearing Loss
  • Laser Hair Removal
  • Neurosurgery
  • Nose Job (Rhinoplasty)
  • Polyps
  • Smell Disorders
  • Swallowing Disorders
  • Tumors

Certifications, License, & Education

45 Years Experience

Dr. Jonathan Mark Sykes holds expired and inactive medical licenses in the states of California, Oregon, and Washington.

Medical License

Medical Doctor with an expired medical license in the state of California that expired in 2026, an inactive medical license in the state of Oregon that expired in 2026, and an expired medical license in the state of Washington that expired in 2025.

Education & Training

Residency

Completed their residency at Northwestern Memorial Hospital.

Medical School

Graduated from George Washington University School Of Medicine & Health Sciences in 1981.

NPI Number

Dr. Sykes' NPI number is 1851377493.

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Frequently Asked Questions

Where is Dr. Jonathan Sykes's office located?
Dr. Jonathan Sykes's office is located at 6927 Brockton Ave Ste 1a, Riverside, CA, 92506.
Which hospitals is Dr. Jonathan Sykes affiliated with?
Dr. Jonathan Sykes is affiliated with University Of California Davis Medical Center, Mercy General Hospital, Mercy Hospital Of Folsom, Sutter Roseville Medical Center, Methodist Hospital Of Sacramento, Multicare Yakima Memorial, Kaiser Permanente Roseville Medical Center, and TRIOS SOUTHRIDGE HOSPITAL.
How can I make an appointment with Dr. Jonathan Sykes?
You can find contact information for Dr. Jonathan Sykes here on Vitals.
Does Dr. Jonathan Sykes accept virtual/telehealth appointments?
Dr. Jonathan Sykes has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Does Dr. Jonathan Sykes accept my insurance?
You can see the insurance plans that Dr. Jonathan Sykes accepts on their Vitals profile.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards
  • Healthcare system and provider network data

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