5
5 Ratings with 1 written Review
Summary
Dr. Guillermo Mendoza is an experienced physician specializing in internal medicine and allergy & immunology. He earned his medical degree from the University of California San Diego School of Medicine and has been practicing for over five decades. Dr. Mendoza provides care in English to patients throughout his extensive career.
Dr. Mendoza is affiliated with Kaiser Permanente Vacaville Medical Center and practices in Oakland, California. His dual expertise allows him to address both general internal medicine concerns and specialized allergy-related conditions. Patients have given him an average rating of 5.0, reflecting their confidence in his comprehensive approach to care.
Dr. Mendoza is affiliated with Kaiser Permanente Vacaville Medical Center and practices in Oakland, California. His dual expertise allows him to address both general internal medicine concerns and specialized allergy-related conditions. Patients have given him an average rating of 5.0, reflecting their confidence in his comprehensive approach to care.
Overview based on verified provider data
Quick Facts
- 54 years of experience
- 7 insurance plans accepted
- speaks English
- University Of California San Diego School Of Medicine
- 1 written review
- 2 specialties
- 11 areas of expertise
- 1 hospital affiliation
- 1 office location
- Male
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Office Location
Compare with Similar Doctors
 |  |  |  |
| Dr. Guillermo Roberto Mendoza, MD | Madhav Goyal, MD | Ankit Dubey, MD | Alina Hongsakaphadana, MD |
| Internal Medicine | Internal Medicine | Internal Medicine | Internal Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 54 Years of Experience | 29 Years of Experience | 7 Years of Experience | 21 Years of Experience |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | Speaks English, Spanish | Speaks English, Spanish | |
| Oakland , CA | Vacaville , CA | Fairfield , CA | Fairfield , CA |
| Med School: University Of California San Diego School Of Medicine | Med School: University Of California San Diego School Of Medicine | Med School: St Georges University School Of Medicine | Med School: Michigan State University College Of Human Medicine |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Guillermo Roberto Mendoza
Medical Specialties
Dr. Guillermo Roberto Mendoza has the following 2 specialties
Specialty Expertise
Dr. Guillermo Roberto Mendoza has the following 11 areas of expertise
Certifications, License, & Education
54 Years Experience
Dr. Guillermo Roberto Mendoza holds an inactive medical license in the state of California.
Medical License
Medical Doctor with an inactive medical license in the state of California.
Education & Training
Medical School
Graduated from University Of California San Diego School Of Medicine in 1972.
NPI Number
Dr. Mendoza's NPI number is 1306998521.
Similar doctors
Frequently Asked Questions
- Does Dr. Guillermo Mendoza accept virtual/telehealth appointments?
- Dr. Guillermo Mendoza has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Which hospitals is Dr. Guillermo Mendoza affiliated with?
- Dr. Guillermo Mendoza is affiliated with Kaiser Permanente Vacaville Medical Center.
- Does Dr. Guillermo Mendoza accept my insurance?
- You can see the insurance plans that Dr. Guillermo Mendoza accepts on their Vitals profile.
- How can I make an appointment with Dr. Guillermo Mendoza?
- You can find contact information for Dr. Guillermo Mendoza here on Vitals.
- Is Dr. Guillermo Mendoza accepting new patients?
- Dr. Guillermo Mendoza has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
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.
