Doctors

  • Nicholas J. Athens
    D.C.
    Chiropractor

    Appointments: (650) 593-4447
    Dr. Athens Voicemail: (650) 590-7039
    Email: [email protected]

    Dr. Athens graduated in 1982 from Palmer College of Chiropractic in Davenport, Iowa. Besides spinal care, Dr. Athens also specializes in extremity conditions (e.g. shoulder and hip bursitis, knee tendonitis, Plantar Fasciitis, Morton's Neuromas, heel and foot pain, elbow and wrist conditions, and carpal tunnel syndrome, among others). He has two sets of boy/girl twins, ages 27 yrs. and 22 yrs., and is very comfortable working with various child ailments.

    He was awarded ICA’s 1st Sports Chiropractor of the Year in 1990!  Dr. Athens was a team chiropractor for the San Francisco 49ers football team. He was a team chiropractor for the San Francisco Giants baseball team, from 1997-2002. He is the only chiropractor to be on a Super Bowl pre-game show when in 1990, he adjusted former quarterback Joe Montana on national TV, before the game with the Denver Broncos. Some of his celebrity patients include Tom Brady, Joe Montana, and Michelle Wei (LPGA).

    Dr. Athens has been in practice for 38 years and he has been featured in many local and national publications. His motto is to always give the patient the best care and service, along with teaching them ways to take their health to another level.

    BILLING SERVICES

    BLUE SHIELD PPO
    MEDICARE

    OFFICE SCHEDULE

    Monday

    3:00-5:00

    Tuesday

    6:20-12:50

    Wednesday

    6:20-12:50, 3:00-4:30

    Thursday

    6:20-12:30

  • Matthew Rivera
    D.C.
    Chiropractor

    Appointments: (650) 593-4447
    Dr. Rivera's Voicemail: (650) 590-7036
    Email: [email protected] 

    Dr. Rivera graduated from Life Chiropractic College West in 1991. He has been in practice in San Carlos for 30 years and has a reputation for being very personable, caring and thorough.  His patients range from pro-athletes, veterans, children of all ages, seniors and maternity care.  Dr. Rivera specializes in the treatment of sport injuries, whiplash resulting from car accidents, various physical traumas, sprains, headaches, migraines, Plantar Fasciitis and more.  Dr. Rivera graduated from University of Nevada Reno where he earned a full scholarship playing football. Growing up in the Bay Area, he was a multi-athlete and was inducted in the Hall of Fame at Riordan High school. His vast experience playing sports gives him a unique insight and understanding of sports injuries and can offer athletes the best treatment for optimal performance. 

    BILLING SERVICES

    BLUE SHIELD PPO
    MEDICARE

    OFFICE SCHEDULE

    Monday

    8:00-12:50, 4:00-5:50

    Tuesday

    8:00-12:50

    Wednesday

    8:00-12:50, 4:00-5:50

    Thursday

    8:00-12:50

    Friday

    8:00-12:50, 4:00-5:50

    Saturday

    9:00-11:50

  • Jerry Patrignani
    D.C.
    Chiropractor

    Appointments: (650) 593-4447
    Dr. Patrignani Voicemail: (650) 590-7037
    Email: [email protected]

    Dr. Patrignani graduated in 2001 from Palmer College of Chiropractic in San Jose, California. Dr. Patrignani specializes in conditions of the spine, as well as headache management, ankle, knee, hip & shoulder conditions from running, recreation, or sports. Dr. Patrignani interned under the guidance of Dr. Athens for 6 months before becoming licensed. His adjustive techniques include diversified manual therapy, instrument adjustments which are gentle force, and myofascial release (to remove scar tissue from muscles). All Patients are provided with home care instructions to ensure maximum benefit from the treatment.

    BILLING SERVICES

    MOST HMO'S (check provider list)
    MEDICARE
    AETNA PPO
    BLUE CROSS PPO
    BLUE SHIELD PPO
    CIGNA PPO
    GREAT WEST PPO
    HEALTHNET PPO
    PACIFICARE PPO
    UNITED HEALTHCARE PPO

    OFFICE SCHEDULE

    Monday

    8:00-12:50

    Tuesday

    3:00-4:50

    Wednesday

    OFF

    Thursday

    3:00-4:50 

    Friday

    8:00-12:50

    Saturday

    9:00-11:50

  • Mario S. Gutierrez
    D.C.
    Chiropractor

    Appointments: (650) 593-4447
    Dr. Gutierrez Voicemail: (650) 590-7038
    Email: [email protected]

    Dr. Gutierrez is a native of Los Angeles, CA. He graduated with a degree of Doctor of Chiropractic from Palmer College. He earned a Bachelor of Science
    degree in Biology at the Citadel, Military College of South Carolina where he was a high-ranking cadet officer while maintaining the Dean’s list status. In 2007, he joined Athens Chiropractic Clinic as the Head Exam Doctor, and he is now, growing a successful practice. Dr. Gutierrez specializes in headaches, sciatica, carpal tunnel, temporomandibular joint disorders, and sports/soft-tissue injuries. During the NFL season, he works closely with Dr. Athens on the San Francisco 49ers team. His goal is getting you to the top of your game, whether you are an elite athlete or just trying to get ahead in life. In his spare time, he enjoys boxing, CrossFit, and yoga.

    BILLING SERVICES

    MOST HMO'S (check provider list)
    MEDICARE
    AETNA PPO
    BLUE CROSS PPO
    BLUE SHIELD PPO
    CIGNA PPO
    GREAT WEST PPO
    HEALTHNET PPO
    PACIFICARE PPO
    UNITED HEALTHCARE PPO

    OFFICE SCHEDULE

    Monday

    8:00-12:50

    Tuesday

    5:00-4:50

    Wednesday

    7:30-8:00, 3:00-4:50

    Thursday

    8:30-12:50, 3:00 -5:00

    Friday

    8:00-12:50

    Saturday

    9:00-11:30

  • Karl Olsson-Deem D.C.
    Chiropractor

    Appointments: (650)-593-4447
    Email: [email protected]

    Dr. Karl grew up in Winter Park, Colorado. He earned a Bachelor of Arts degree in Integrative Physiology with emphasis in biomechanics, exercise physiology, and neuromuscular control from University of Colorado at Boulder. He then attended Life University College of Chiropractic in Marietta, Georgia and graduated with a Doctor of Chiropractic degree summa cum laude. Dr. Karl completed his 6-month preceptorship under Dr. Athens where he honed his adjusting skills, patient management skills, and now currently assists Dr. Athens with working on the San Francisco 49ers.

    Dr. Karl uses diversified manual adjusting technique on the spine and extremities. He is also certified in Full-Body Active Release Technique (ART). Active Release Technique is a highly regarded therapy for soft tissues including muscle, fascia, tendons, ligaments, joint capsules, and nerves. It is widely used by professional athletes and is an official sponsor of IRONMAN Triathlon. With quality adjustments and ART, Dr. Karl is well equipped to deal with wide variety of ailments, injuries, and patients.

    Dr. Karl plays ice hockey in two recreational leagues and enjoys weightlifting, golfing, mountain biking, and walking his dog, Olive. He understands the importance of staying active, being able to enjoy hobbies, and strives to allow his patients do the same.

    Billing Services

    Cash Only

    Office Schedule

    OFFICE SCHEDULE

    Monday

    8:00 - 12:50

    Tuesday

    8:00 - 12:50

    Wednesday

    3:00 - 5:00

    Thursday

    3:00 - 5:00

    Friday

    8:00 - 12:50, 3:00 - 5:00

Locations

Find us on the map

Office Hours

Our Regular Schedule

San Carlos Office

Monday:

8:00 am-1:00 pm

2:30 pm-6:00 pm

Tuesday:

8:00 am-1:00 pm

Wednesday:

8:00 am-1:00 pm

3:00 pm-5:00 pm

Thursday:

8:00 am-12:30 pm

3:00 pm-5:00 pm

Friday:

8:00 am-1:00 pm

4:00 pm-6:00 pm

Saturday:

9:00 am-12:00 pm

Sunday:

Closed

Testimonials

Reviews By Our Satisfied Patients

  • "I thought maybe I would have to go see a medical doctor until someone at my gym suggested I call Dr. Mario."
    Tiffany S. / San Francisco, CA
  • "Now I see Dr. Patrignani pretty regularly about every 3 weeks (which is what my insurance covers) and he keeps my back in tip-top shape."
    Jen L. / San Francisco, CA