0 reviews
Summary
Dr. Maika Onishi practices internal medicine and oncology and has 16 years of experience. She completed her residency at the University of Washington Medical Center and earned her medical degree from the University of California San Diego School of Medicine. She sees patients in Sunnyvale, California, and New York, New York.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 16 years of experience
- University Of Washington Medical Center
- 2 specialties
- 7 areas of expertise
- 3 office locations
- Female
Office Locations
Dr. Maika Onishi has 3 locationsPamf Sunnyvale Oncology
301 Old San Francisco Rd Fl 1Sunnyvale, CA 94086 Tel: (650) 934-7600
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
Palo Alto Medical Foundation Internal Medicine
301 Old San Francisco RdSunnyvale, CA 94086 Tel: (408) 730-4251
Mon7:30 am - 5:00 pm
Tue7:30 am - 5:00 pm
Wed7:30 am - 7:00 pm
Thu7:30 am - 5:00 pm
Fri7:30 am - 5:00 pm
SatClosed
SunClosed
Compare with Similar Doctors
![]() | ![]() | ![]() | ![]() |
| Dr. Maika Onishi, MD | Dr. Anirudh Dwarakanath, MD | Karthikeyan Viswanathan, DO | Dr. Adewumi Bakare DMSc, PA-C |
| Internal Medicine | Internal Medicine | Internal Medicine | Internal Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | Accepts New Patients |
| 16 Years of Experience | 6 Years of Experience | 12 Years of Experience | |
| No Virtual Visit Option | No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available |
| Speaks English | Speaks English, Tamil | Speaks English, Spanish, Yoruba, French, Russian, Arabic, Chinese, Chinese (Mandarin) | |
| Sunnyvale , CA | Pleasant Hill , CA | Palo Alto , CA | Mesquite , TX |
| Med School: University Of California San Diego School Of Medicine | Med School: Albany Medical College | Med School: Bassett Medical Center - Cooperstown, New York | Med School: University of Lynchburg - DMSc |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Maika Onishi
Medical Specialties
Dr. Maika Onishi has the following 2 specialties
Specialty Expertise
Dr. Maika Onishi has the following 7 areas of expertise
Certifications, License, & Education
16 Years Experience
Education & Training
Residency
Completed their residency at University Of Washington Medical Center.
Medical School
Graduated from University Of California San Diego School Of Medicine in 2011 and University Of California San Diego School Of Medicine in 2010.
NPI Number
Dr. Onishi's NPI number is 1952690075.
Similar doctors
Frequently Asked Questions
- Does Dr. Maika Onishi accept virtual/telehealth appointments?
- Dr. Maika Onishi has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Where is Dr. Maika Onishi's office located?
- Dr. Maika Onishi's office is located at 301 Old San Francisco Rd Fl 1, Sunnyvale, CA, 94086.
- Does Dr. Maika Onishi accept my insurance?
- You can see the insurance plans that Dr. Maika Onishi accepts on their Vitals profile.
- How can I make an appointment with Dr. Maika Onishi?
- You can find contact information for Dr. Maika Onishi here on Vitals.
- Is Dr. Maika Onishi accepting new patients?
- Dr. Maika Onishi is accepting new patients on Vitals. View Dr. Maika Onishi's profile on Vitals to make an appointment.
Data Sources
This provider profile is built using data from:
- NPPES NPI Registry
- State medical licensing boards
Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews
Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.
Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.
Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.




