Dr. Cornelius Jansen, MD

Dr. Cornelius Jansen, MD

Ear, Nose, and Throat  ·  
Male  ·  
Age 61
(2)
Save
Dr. Cornelius Jansen, MD is an otolaryngology (ear, nose & throat) specialist in Walnut Creek, CA and has been practicing for 29 years. He graduated from Johns Hopkins University School Of Medicine in 1983 and specializes in ear, nose, and throat.

1425 S Main St

Walnut Creek, CA 94596

Contact Information

(925) 295-4000

Insurance Accepted

  • Kaiser Permanente

*Please verify this information when scheduling an appointment.

Learn about Dr. Jansen

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. Jansen performs your care needs compared to other doctors.

All Headaches (incl. Migraine)
normal
more than 9% of peers
Ear Disorders
normal
more than 7% of peers
Deafness
normal
more than 1% of peers

Dr. Jansen'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.

1  Specialties

  • Ear, Nose, and Throat

1  Board Certifications

  • Otolaryngology
    Accredited by: American Board of Otolaryngology*

55  Conditions Treated

Less

Read Less

22  Procedures

  • Ablation or Excision of Nasal Turbinates
  • Antrostomy and Antrotomy (Sinus Surgery)
  • Balloon Sinuplasty
  • Cervical Lymph Node Dissection
  • Diagnostic Nasal and-or Sinus Endoscopy
  • Ear Surgery
  • Ear Tube Placement
  • ENT Surgery
  • Ethmoidectomy (Sinus Surgery)
  • Excision of Parotid, Sublingual, or Submandibular Gland
  • Excision or Destruction of Palate or Uvula Lesion
  • Glossectomy
  • Head and Neck Surgery
  • Intranasal or Sinus Procedure
  • Lymph Node Biopsy or Excision
  • Nasal Septum Surgery (Septoplasty)
  • Perforated Eardrum Repair (Tympanoplasty)
  • Sinus Surgery
  • Thyroid Lobectomy
  • Thyroidectomy
  • Thyroidectomy or Thyroid Lobectomy
  • Tonsillectomy

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.

Education

  • Johns Hopkins University School Of Medicine
    Medical School | Graduated 1983
  • Johns Hopkins Hospital
    Internship Hospital | Completed 1984
  • Johns Hopkins Hospital
    Residency Hospital | Completed 1989

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. Jansen has no media or publications listed.

Languages Spoken

  • English
  • Dutch

Memberships & Professional Affiliations

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

Dr. Jansen's Reviews

3.0
Likelihood of recommending Dr. Jansen to family and friends
2 total reviews (1 has a comment)

Likelihood to Recommend (2)

  • 5
    (1)
  • 4
    (0)
  • 3
    (0)
  • 2
    (0)
  • 1
    (1)

Dr. Jansen's Performance

  • Trustworthiness

    GOOD
  • Explains condition(s) well

    GOOD
  • Answers questions

    GOOD
  • Time well spent

    VERY GOOD

Office & Staff Performance

  • Scheduling

    EXCELLENT
  • Office environment

    EXCELLENT
  • Staff friendliness

    EXCELLENT
  • Average wait time

    10 to 15 minutes

Patient Comments (1)

Dr. Jansen was the worst physician I have ever met, no communications skills at all. He did not make eye contact, closed his eyes when I had questions and read directly off the computer what to expect for surgery. Would not recommend this physician and will not be using him for my daughter's...more
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