0 reviews
Summary
Dr. Maak graduated from the Universidad Central De Venezuela,Universidad Central De Venezuela Escuela De Medicina Jose Maria Vargas in 1999. She works in Walnut Creek, CA and 1 other location and specializes in Neonatology and Pediatrics. Dr. Maak is affiliated with Kaiser Permanente Walnut Creek Medical Center.
Quick Facts
- 27 years of experience
- 10 insurance plans accepted
- Stanford University
- 2 specialties
- 6 areas of expertise
- 2 board certifications
- 1 hospital affiliation
- 2 office locations
- Female
Office Locations
Dr. Petruska Geammette Maak has 2 locationsKaiser Permanente Walnut Creek Medical Center
1425 S Main StWalnut Creek, CA 94596 Tel: (925) 295-4000
Compare with Similar Doctors
![]() | ![]() | ![]() | ![]() |
| Dr. Petruska Geammette Maak, MD | Dr. Josephine Shuk Fun Lau, MD | Dr. Jennifer Lynn Cho, MD | Dr Henry Sanchez, MD |
| Neonatology | Adolescent Medicine | Pediatrics | Pediatrics |
| Accepts New Patients | Accepts New Patients | ||
| 27 Years of Experience | 19 Years of Experience | 27 Years of Experience | 33 Years of Experience |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks Chinese, Spanish, English | Speaks English | Speaks English, Spanish | |
| Walnut Creek , CA | San Leandro , CA | Redwood City , CA | Fremont , CA |
| Med School: UNIVERSIDAD CENTRAL DE VENEZUELA | Med School: University Of California Davis School Of Medicine | Med School: University Of California San Francisco School Of Medicine | Med School: University Of California San Francisco School Of Medicine |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Petruska Geammette Maak
Medical Specialties
Dr. Petruska Geammette Maak has the following 2 specialties
Specialty Expertise
Dr. Petruska Geammette Maak has the following 6 areas of expertise
Certifications, License, & Education
27 Years Experience
MEDICAL LICENSE
Medical Doctor, California, 2026, Active
EDUCATION & TRAINING
Residency
Stanford University
Medical School
UNIVERSIDAD CENTRAL DE VENEZUELAGraduated in 2007
Universidad Central De Venezuela Escuela De Medicina Jose Maria VargasGraduated in 1999
Similar doctors
Frequently Asked Questions
- Where is Dr. Petruska Maak's office located?
- Dr. Petruska Maak's office is located at 1425 S Main St, Walnut Creek, CA, 94596.
- How can I make an appointment with Dr. Petruska Maak?
- You can find contact information for Dr. Petruska Maak here on Vitals.
- Does Dr. Petruska Maak accept virtual/telehealth appointments?
- Dr. Petruska Maak has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Does Dr. Petruska Maak accept my insurance?
- You can see the insurance plans that Dr. Petruska Maak accepts on their Vitals profile.
- Is Dr. Petruska Maak accepting new patients?
- Dr. Petruska Maak 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.








