Summary

Dr. John Maa is a surgeon with 32 years of experience providing comprehensive surgical care. He earned his medical degree from Harvard Medical School and has built an extensive practice focused on general surgery. Dr. Maa is fluent in both English and Spanish, allowing him to serve a diverse patient population.

Dr. Maa practices at multiple locations including Marinhealth Medical Center in Greenbrae, Novato Community Hospital in Novato, and UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco. He specializes in treating conditions such as inguinal hernias, lipomas, and sports hernias. His surgical expertise includes performing diagnostic procedures like complete blood counts and arterial blood gas analysis. Patients consistently rate Dr. Maa highly, giving him an average rating of 5.0 on Vitals.

Overview based on verified provider data

Quick Facts

  • 5
  • 32 years of experience
  • speaks English, Spanish
  • Harvard Medical School
  • 1 specialty
  • 11 areas of expertise
  • 1 board certification
  • 3 hospital affiliations
  • 3 office locations
  • Male

Office Locations

Dr. John Maa has 3 locations

Marinhealth Medical Center

599 Sir Francis Drake Boulevard Ste 206Greenbrae, CA 94904

Novato Community Hospital

180 Rowland WayNovato, CA 94945

Compare with Similar Doctors

Dr. John Maa, MD
Majid Kianmajd, DO
William Fulton, DO
John Zopfi, DO
Dr. John Maa, MDMajid Kianmajd, DOWilliam Fulton, DOJohn Zopfi, DO
SurgerySurgerySurgerySurgery
Accepts New Patients Accepts New Patients Accepts New Patients
2.8 
32 Years of Experience 14 Years of Experience 25 Years of Experience 40 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks English, Spanish Speaks Russian, Spanish, English
Greenbrae , CAFairfield , CAFairfield , CAFairfield , CA
Med School: Harvard Medical School Med School: Touro University Nevada College Of Osteopathic Medicine Med School: A T Still University Kirksville College Of Osteopathic Medicine Med School: Western Univ Health Sci College Of Osteopathic Medicine Of The Pacific
Current Profile
View Profile View Profile View Profile

Insurance Plans Accepted by Dr. John Maa

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. John Maa has the following specialty

Specialty Expertise

Dr. John Maa has the following 11 areas of expertise

  • Appendectomy
  • Central Venous Catheterization
  • Cholangiography
  • Femoral Hernia
  • Galbladder Removal (Cholecystectomy)
  • Gastrointestinal Cancer
  • Inguinal Hernia
  • Jejunostomy
  • Laproscopic Surgery (Laparoscopy)
  • Percutaneous Endoscopic Gastrostomy (PEG)
  • Ventral Hernia

Certifications, License, & Education

32 Years Experience

Dr. John Maa holds an expired medical license in the state of California.

Medical License

Medical Doctor with an expired medical license in the state of California that expired in 2025.

Education & Training

Medical School

Graduated from Harvard Medical School in 1994.

NPI Number

Dr. Maa's NPI number is 1356305866.

Similar doctors

Frequently Asked Questions

Is Dr. John Maa accepting new patients?
Dr. John Maa has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Does Dr. John Maa accept my insurance?
You can see the insurance plans that Dr. John Maa accepts on their Vitals profile.
Does Dr. John Maa accept virtual/telehealth appointments?
Dr. John Maa has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Which hospitals is Dr. John Maa affiliated with?
Dr. John Maa is affiliated with Marinhealth Medical Center, Novato Community Hospital, and Ucsf Helen Diller Medical Center At Parnassus Heights.
Where is Dr. John Maa's office located?
Dr. John Maa's office is located at 599 Sir Francis Drake Boulevard Ste 206, Greenbrae, CA, 94904.

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.