Dr. Karna Gendo, MD

Dr. Karna Gendo, MD

Allergy & Immunology  |  
Male  |  
Age 48
Insurances AcceptedSave
Dr. Karna Gendo, MD is an allergy & immunology doctor who practices in Berkeley, CA. He is 48 years old and has been practicing for 23 years.

3010 Colby St Ste 221

Berkeley, CA 94705

Contact Information

(925) 327-1460

Insurance Accepted

  • Aetna
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of California
  • Blue Shield of California
  • Cigna
  • First Health (Coventry Health Care)
  • MultiPlan

*Please verify this information when scheduling an appointment.

Learn about Dr. Gendo

Be confident in your decisions by checking out your provider's top areas of care, education, patient reviews and more. Learn about finding the right doctor for you

Top Care Areas


See how frequently Dr. Gendo performs your care needs compared to other doctors.

more than 89% of peers
Allergy Shots for Insect Stings
more than 87% of peers
Allergic Reaction
more than 73% of peers

Dr. Gendo's percentages are based on the rate of treatment compared to peers nationwide from insurance data. Learn more info about our data and this Top Care Areas component.

We're trying something new with Top Care Areas.Was it helpful for you?YesNo

Care Philosophy

This content was provided by Dr. Gendo "Dr. Gendo received his medical degree in 1995 at UC Davis. He completed his pediatric/adult allergy immunology and internal medicine training and board certification at the University of Washington, where he served as Clinical Associate Professor of Medicine. He has worked as an attending physician at the Emergency Trauma Center at Harborview Medical Center in Seattle, hospitalist and clinical services chief at Group Health Cooperative, and as staff physician at Northwest Asthma and Allergy Center. He is a member of the American Academy of Allergy, Asthma & Immunology, American College of Physicians, and the Society of Hospital Medicine. He grew up in Sonoma County and has returned from the Northwest to join the Allergy and Asthma Group of the Bay Area. Dr Gendo's special interests are in enhancing chronic condition management and the Patient-Centered Medical Home. His outside interests are in classical and jazz piano."


Read More


  • Allergy & Immunology
  • Internal Medicine

Board Certifications

  • Allergy & Immunology
    Accredited by: American Board of Allergy & Immunology*
  • Internal Medicine
    Accredited by: American Board of Internal Medicine*

Conditions Treated

  • Acute Sinusitis
  • All Types of Food Poisoning
  • Allergic Reaction
  • Allergic Rhinitis
  • Anaphylactic Egg Allergy
  • Anaphylactic Food Allergies
  • Anaphylactic Milk and Dairy Allergy
  • Anaphylaxis
  • Angioedema
  • Asthma
  • Atopic Dermatitis (Eczema)
  • COPD (Chronic Obstructive Pulmonary Disease)
  • Chronic Sinusitis
  • Dermatitis
  • Eye Infections
  • Hives
  • Hypogammaglobulinemia
  • Immunodeficiency Syndromes
  • Itchy Skin
  • Pinkeye (Conjunctivitis)
  • Pollen Allergy
  • Postnasal Drip
  • Pulmonary Disease
  • Sinusitis
  • Skin Infections
  • Toxic Effect of Venom


  • Allergy Shots
  • Allergy Shots for Insect Stings
  • Allergy Skin Testing
  • Allergy Testing
  • Allergy Treatment
  • Drug or Food Challenge
  • Patch Testing

Background Check

0 Malpractice Claims

No malpractice history found for California.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.


  • University Of California, Davis, School Of Medicine
    Medical School | Graduated 1995
  • University Of Wa School Of Med
    Residency Hospital | Completed

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Languages Spoken

  • English
  • Spanish

Memberships & Professional Affiliations

Dr. Gendo does not have any memberships or affiliations listed. If you are Dr. Gendo and would like to add memberships or affiliations, please update your profile.

Dr. Gendo's Reviews

Likelihood of recommending Dr. Gendo to family and friends
based on 9 total reviews (3 with comments)

Likelihood to Recommend (9)

  • 5
  • 4
  • 3
  • 2
  • 1

Dr. Gendo's Performance

Explains condition(s) well
Answers Questions
Time well spent

Office & Staff Performance

Office environment
Staff friendliness
Average wait time
10 to 15 minutes

Patient Comments (3)

Berkeley, CA |
Never gave me a straight answer. Waited for over an hour only to hear that he is very busy with other patients. And this is after making an appointment.
Flag this
Was this helpful?
in Walnut Creek, CA |
Dr. Gendo was on time and having read my chart was prepared. Tests were taken and the results of mediately available. Appropriate referrals were made. He was clear and easily understandable and I wish all my doctors were like Dr. Gendo.
Flag this
Was this helpful?
Emeryville, CA |
On two different occasions I tried to refill a scrip for my asthma meds through Express Scripts. Each time, after waiting several days without receiving the prescription, I called ES and was told my prescription hadn't yet been approved by Dr. G's office. Dr. G's office insisted it had been...more
Flag this
Was this helpful?

Visit Dr. Gendo

Now Accepting New Patients
Dr. Gendo accepts 7 insurance carriers
  • Aetna
    Aetna HMO
    Choice Plus POS II
  • Blue Cross Blue Shield
    Blue Card PPO
  • Blue Cross Blue Shield of California
    Advantage Preferred DirectAccess Plus PPO
    Blue Cross Blue Shield of California PPO
    Select Plus HMO
  • Blue Shield of California
    Access Plus Savenet
    Local Access Plus HMO
  • Cigna
    Cigna HMO
    Cigna PPO
    Open Access Plus
  • First Health (Coventry Health Care)
    First Health (Coventry Health Care) PPO
  • MultiPlan
    MultiPlan PPO
    PHCS Network PPO

*Please verify this information when scheduling an appointment.

Hospitals where Dr. Gendo has admitting privileges

View Hospital Profile
John Muir Medical Center - Walnut Creek
1601 Ygnacio Valley Rd
Walnut Creek, CA 94598
View Hospital Profile

Nearby doctors with similar experience

Plastic Surgery
Allergy & Immunology
Allergy & Immunology
Allergy & Immunology
Internal Medicine
Allergy & Immunology
Allergy & Immunology
Internal Medicine
Allergy & Immunology