Matthew Nienaber MD

Matthew Nienaber, D.O.

Internal Medicine

Not Accepting New Patients

About Matthew Nienaber, D.O. 

Born on the West Coast, native of the Bay Area, Matthew K. Nienaber, D.O., was raised in the Pacific Northwest with one foot in the sand and one in the water.  

Caring and compassionate, Dr. Nienaber works with his patients to provide individualized healthcare. With a strong passion for helping the underserved, he participates in medical missions to Africa, South America, and Mexico.  

Dr. Nienaber earned his medical degree at the Western University College of Osteopathic Medicine of the Pacific in Pomona, California. He completed his internship and residency at the Arrowhead Regional Medical Center in Colton, California.  

Dr. Nienaber’s patients say he is an excellent practitioner, is courteous and professional, and puts you at ease. They feel truly fortunate to have Dr. Nienaber as their primary physician.  

Dr. Nienaber is a former competitive dragon boat racer. He enjoys playing piano and bass, as well as restoring classic British race cars.  

I feel like my Doctor really cares about my health

Real Patient
Matthew Nienaber

Selected: Up Next:

Matthew K. Nienaber, D.O.
Family & Internal Medicine

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Family & Internal Medicine
01 / 02

Locations

1821 Wilshire Blvd., Suite 100,
Santa Monica, CA 90403
(310) 575-3100

Education

Medical School
Western University College of Osteopathic Medicine of the Pacific

Internship
Arrowhead Regional Medical Center, Colton, CA

Residency
Arrowhead Regional Medical Center, Colton, CA

Languages

Spanish

child checkup

Reviews

At Providence, we’re dedicated to providing you quality, personalized health care. We are constantly striving to optimize your experience.

As part of ensuring you have a positive experience with Providence, our online provider directory includes ratings and patient comments for select providers. More about our survey.

  • 4.9
  • 218 Reviews
  • 247 Comments
  • 5
07/13/2024

He is very helpful. Very good at recommending Exercises.

Providence Patient
  • 5
07/09/2024

Dr nienabor is awesome.

Providence Patient
  • 5
07/08/2024

Dr. Nienaber is a caring and knowledgable care provider. Everyone at the office is always very nice and caring.

Providence Patient
  • 5
07/07/2024

Dr Nienaber and staff are excellent. My only comment would be to follow up and explain the blood results .

Providence Patient
  • 5
07/05/2024

All good

Providence Patient
  • 5
07/05/2024

The doctor was incredible. Listened to all my questions. Was very knowledgeable. He is the wall holding your roof. Without him, your practice would fail. A tremendous asset. A great doctor. Thank you

Providence Patient
  • 5
06/14/2024

Dr. Nienaber is a TEN. A+++

Providence Patient
  • 5
06/13/2024

Dr. Mathew Nienaber has been providing me with the best care I have received from any doctor I have seen!

Providence Patient
  • 5
06/13/2024

My provider always gives excellent considerations for me and any problems I may have.

Providence Patient
  • 5
06/08/2024

Dr Nienaber and his whole staff are courteous and pleasant at all times. I was pleasantly surprised how quickly I was seen by the doctor and by the nurse drawing blood and doing the EKG. This appt was for a preop visit and they were able to fit me into their schedule as I needed.

Providence Patient