5
1 Rating with 1 written Review
Summary
Dr. Agnieszka Janisiewicz treats sinusitis, chronic sinusitis, and sinus headaches, and performs endoscopic sinus surgery, nasal endoscopy, and nasal exams. She practices otolaryngology–head and neck surgery with 18 years of experience and is affiliated with Kaiser Permanente Walnut Creek Medical Center, Kaiser Permanente San Leandro Medical Center, and Kaiser Permanente Fremont Medical Center.
Dr. Janisiewicz earned her medical degree from Harvard Medical School and completed her residency at Stanford University School of Medicine. She sees patients in Walnut Creek and San Leandro, California. Patients on Vitals rate Dr. Janisiewicz 5 out of 5.
Dr. Janisiewicz earned her medical degree from Harvard Medical School and completed her residency at Stanford University School of Medicine. She sees patients in Walnut Creek and San Leandro, California. Patients on Vitals rate Dr. Janisiewicz 5 out of 5.
Overview based on verified provider data
Quick Facts
- 18 years of experience
- Stanford University School Of Medicine
- 1 written review
- 1 specialty
- 9 areas of expertise
- 3 hospital affiliations
- 2 office locations
- Female
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Office Locations
Dr. Agnieszka Marzena Janisiewicz has 2 locationsKaiser Permanente Walnut Creek Medical Center
1425 S Main StWalnut Creek, CA 94596 Tel: (925) 295-4000
Compare with Similar Doctors
 |  | | |
| Dr. Agnieszka Marzena Janisiewicz, MD | Dr. Denise Sylvie Smart, MD | Dr. Linda Weinman Wolf | Shauna Arielle Brodie |
| Otolaryngology-Head & Neck Surgery | Otolaryngology-Head & Neck Surgery | Otolaryngology-Head & Neck Surgery | Nurse Practitioner |
| 18 Years of Experience | 48 Years of Experience | 49 Years of Experience | |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | |||
| Walnut Creek , CA | San Francisco , CA | Oakland , CA | San Francisco , CA |
| Med School: Harvard Medical School | Med School: Universite Catholique De Louvain Faculte De Medecine Et Medecine Dentaire | Med School: Albert Einstein College Of Medicine Of Yeshiva University | |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Agnieszka Marzena Janisiewicz
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. Agnieszka Marzena Janisiewicz has the following specialty
Specialty Expertise
Dr. Agnieszka Marzena Janisiewicz has the following 9 areas of expertise
Certifications, License, & Education
18 Years Experience
Dr. Agnieszka Marzena Janisiewicz holds an active medical license in the state of California.
Medical License
Medical Doctor with an active medical license in the state of California that expires in 2027.
Education & Training
Residency
Completed their residency at Stanford University School Of Medicine.
Medical School
Graduated from Harvard Medical School in 2008.
NPI Number
Dr. Janisiewicz's NPI number is 1467615104.
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Frequently Asked Questions
- Where is Dr. Agnieszka Janisiewicz's office located?
- Dr. Agnieszka Janisiewicz's office is located at 1425 S Main St, Walnut Creek, CA, 94596.
- Which hospitals is Dr. Agnieszka Janisiewicz affiliated with?
- Dr. Agnieszka Janisiewicz is affiliated with Kaiser Permanente Walnut Creek Medical Center, Kaiser Permanente San Leandro Medical Center, and Kaiser Permanente Fremont Medical Center.
- Does Dr. Agnieszka Janisiewicz accept virtual/telehealth appointments?
- Dr. Agnieszka Janisiewicz has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- How can I make an appointment with Dr. Agnieszka Janisiewicz?
- You can find contact information for Dr. Agnieszka Janisiewicz here on Vitals.
- Does Dr. Agnieszka Janisiewicz accept my insurance?
- You can see the insurance plans that Dr. Agnieszka Janisiewicz 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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