0 reviews
Summary
Dr. Zachariah Demarais practices internal medicine in San Francisco, California. He earned his medical degree from Frank H. Netter MD School of Medicine at Quinnipiac University and has two years of experience. He sees patients at University of California San Francisco Medical Center at Parnassus.
Overview based on verified provider data
Quick Facts
- 2 years of experience
- 1 insurance plan accepted
- Frank H Netter Md School Of Medicine At Quinnipiac University
- 1 specialty
- 1 office location
- Male
Office Location
University Of California San Francisco Medical Center At Parnassus
505 Parnassus AveSan Francisco, CA 94143 Tel: (415) 476-1000
Compare with Similar Doctors
![]() | ![]() | ![]() | ![]() |
| Dr. Zachariah Stephen Demarais | Dr. Alaa Hajal, MD | Dr. Argenis Curiel, MD | Dr. George Mousa, MD |
| Internal Medicine | Internal Medicine | Internal Medicine | Internal Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 2 Years of Experience | 15 Years of Experience | 8 Years of Experience | 17 Years of Experience |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks English, Spanish | |||
| San Francisco , CA | Diamond Bar , CA | Fresno , CA | Upland , CA |
| Med School: Frank H Netter Md School Of Medicine At Quinnipiac University | Med School: University Of Damascus Faculty Of Medicine | Med School: Universidad Autonoma De Guadalajara Facultad De Medicina | Med School: University Of Aleppo Faculty Of Medicine |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Zachariah Stephen Demarais
Medical Specialties
Dr. Zachariah Stephen Demarais has the following specialty
Certifications, License, & Education
2 Years Experience
Dr. Zachariah Stephen Demarais 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
Medical School
Graduated from Frank H Netter Md School Of Medicine At Quinnipiac University in 2024.
NPI Number
Dr. Demarais' NPI number is 1447010715.
Similar Doctors







Carol Lynn BrosgartPublic Health & General Preventive Medicine49 Years Exp | South San Francisco, CA

Frequently Asked Questions
- Is Dr. Zachariah Demarais accepting new patients?
- Dr. Zachariah Demarais has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- Does Dr. Zachariah Demarais accept virtual/telehealth appointments?
- Dr. Zachariah Demarais has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Does Dr. Zachariah Demarais accept my insurance?
- You can see the insurance plans that Dr. Zachariah Demarais accepts on their Vitals profile.
- How can I make an appointment with Dr. Zachariah Demarais?
- You can find contact information for Dr. Zachariah Demarais here on Vitals.
- Where is Dr. Zachariah Demarais's office located?
- Dr. Zachariah Demarais's office is located at 505 Parnassus Ave, San Francisco, CA, 94143.
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.


