5
403 Ratings with 403 written Reviews
Summary
Dr. Matthew Nienaber specializes in internal medicine, focusing on comprehensive adult healthcare and preventive care. He completed his internship training at Arrowhead Regional Medical Center in both 2015 and 2017, building expertise in managing complex medical conditions. Dr. Nienaber is fluent in English and Spanish, allowing him to serve diverse patient populations effectively.
Dr. Nienaber practices at The Doctors of Saint John's in Santa Monica, California, and maintains hospital privileges at Arrowhead Regional Medical Center. He treats common conditions including acne, allergies, and anxiety with depression. His clinical focus includes cancer screening, ongoing care for chronic diseases, and diabetes management. Patients have given him an average rating of 5.0, reflecting their confidence in his compassionate and thorough approach to care.
Dr. Nienaber practices at The Doctors of Saint John's in Santa Monica, California, and maintains hospital privileges at Arrowhead Regional Medical Center. He treats common conditions including acne, allergies, and anxiety with depression. His clinical focus includes cancer screening, ongoing care for chronic diseases, and diabetes management. Patients have given him an average rating of 5.0, reflecting their confidence in his compassionate and thorough approach to care.
Overview based on verified provider data
Quick Facts
- 23 insurance plans accepted
- speaks English, Spanish
- Arrowhead Regional Medical Center
- 403 written reviews
- 1 specialty
- 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
The Doctors of Saint John's - Santa Monica Primary Care
1821 Wilshire Blvd Ste 100Santa Monica, CA 90403 Tel: (310) 575-3100
Compare with Similar Doctors
 |  |  |  |
| Matthew Kevin Nienaber, DO | Dr. George Mousa, MD | Eric Harker | Dr. Tooba Rehman, MD |
| Internal Medicine | Internal Medicine | Internal Medicine | Internal Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 17 Years of Experience | 25 Years of Experience | 16 Years of Experience | |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks English, Spanish | Speaks English | ||
| Santa Monica , CA | Upland , CA | Lyons , CO | Katy , TX |
| Med School: University Of Aleppo Faculty Of Medicine | Med School: Duke University School Of Medicine | Med School: CHICAGO MEDICAL SCHOOL AT ROSALIND FRANKLIN UNIVERSITY OF MEDICINE & SCIENCE | |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Matthew Kevin Nienaber
Medical Specialties
Matthew Kevin Nienaber has the following specialty
Certifications, License, & Education
Matthew Kevin Nienaber holds an expired medical license in the state of California.
Medical License
Doctor Of Osteopathy with an expired medical license in the state of California that expired in 2025.
Education & Training
Internship
Completed their internship at Arrowhead Regional Medical Center in 2017 and Arrowhead Regional Medical Center in 2015.
NPI Number
Matthew Kevin Nienaber's NPI number is 1033535182.
Similar doctors
Frequently Asked Questions
- Where is Matthew Nienaber's office located?
- Matthew Nienaber's office is located at 1821 Wilshire Blvd Ste 100, Santa Monica, CA, 90403.
- Is Matthew Nienaber accepting new patients?
- Matthew Nienaber has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- What languages does Matthew Nienaber speak?
- Matthew Nienaber speaks English and Spanish.
- How can I make an appointment with Matthew Nienaber?
- You can find contact information for Matthew Nienaber here on Vitals.
- Does Matthew Nienaber accept my insurance?
- You can see the insurance plans that Matthew Nienaber accepts on their Vitals profile.
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.
