5
370 Ratings with 370 written Reviews
Summary
Dr. Matthew Nienaber is an internal medicine physician who focuses on comprehensive adult healthcare. He completed his medical training with internships at Arrowhead Regional Medical Center in 2015 and 2017, building expertise in treating a wide range of health conditions. Dr. Nienaber is fluent in both Spanish and English, allowing him to serve diverse patient populations.
Dr. Nienaber practices at The Doctors of Saint John's in Santa Monica, California, and maintains hospital privileges at Arrowhead Regional Medical Center. He specializes in treating common conditions like acne, allergies, anxiety, and depression. His clinical expertise includes cancer screening, managing chronic diseases, and diabetes care. Patients consistently rate Dr. Nienaber highly, giving him an average score of 5.0 out of 5 stars for his compassionate and thorough approach to healthcare.
Dr. Nienaber practices at The Doctors of Saint John's in Santa Monica, California, and maintains hospital privileges at Arrowhead Regional Medical Center. He specializes in treating common conditions like acne, allergies, anxiety, and depression. His clinical expertise includes cancer screening, managing chronic diseases, and diabetes care. Patients consistently rate Dr. Nienaber highly, giving him an average score of 5.0 out of 5 stars for his compassionate and thorough approach to healthcare.
Overview based on verified provider data
Quick Facts
- 23 insurance plans accepted
- speaks Spanish, English
- Arrowhead Regional Medical Center
- 370 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. Nima Ghadimi, MD | Dr. Tooba Rehman, MD | Dr. Alaa Hajal, MD |
| Internal Medicine | Internal Medicine | Internal Medicine | Internal Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 29 Years of Experience | 16 Years of Experience | 15 Years of Experience | |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks Spanish, English | Speaks English, Spanish | ||
| Santa Monica , CA | Scottsdale , AZ | Katy , TX | Diamond Bar , CA |
| Med School: Univ Iberoamericana Unibe Santo Domingo | Med School: CHICAGO MEDICAL SCHOOL AT ROSALIND FRANKLIN UNIVERSITY OF MEDICINE & SCIENCE | Med School: University Of Damascus Faculty Of Medicine | |
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.
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Frequently Asked Questions
- Which hospitals is Matthew Nienaber affiliated with?
- Matthew Nienaber is affiliated with Arrowhead Regional Medical Center.
- Does Matthew Nienaber accept my insurance?
- You can see the insurance plans that Matthew Nienaber accepts on their Vitals profile.
- What languages does Matthew Nienaber speak?
- Matthew Nienaber speaks Spanish and English.
- Does Matthew Nienaber accept virtual/telehealth appointments?
- Matthew Nienaber has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- How can I make an appointment with Matthew Nienaber?
- You can find contact information for Matthew Nienaber here on Vitals.
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