Summary

Dr. Benjamin Loos treats hearing loss, hearing loss in children, and sensorineural hearing loss, and performs audiograms, hearing tests, and earwax removal. He practices otolaryngology–head and neck surgery and plastic surgery and has 29 years of experience. He is affiliated with John Muir Health Concord Medical Center and Walnut Creek Medical Center and sees patients in Concord and Walnut Creek, California. He also speaks Spanish. Dr. Loos completed his residency at Georgetown University Medical Center and earned his medical degree from Baylor College of Medicine. Patients on Vitals rate Dr. Loos 4.54 out of 5.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.5
  • 29 years of experience
  • speaks English, Spanish
  • Georgetown University Medical Center
  • 11 written reviews
  • 2 specialties
  • 11 areas of expertise
  • 2 hospital affiliations
  • 4 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Benjamin Marcus Loos has 4 locations

Contra Costa Ear Nose And Throat

2700 Grant St Ste 104Concord, CA 94520
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

Walnut Creek Medical Center

1601 Ygnacio Valley RdWalnut Creek, CA 94598

John Muir Health Concord Outpatient Center

2700 Grant StConcord, CA 94520
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Compare with Similar Doctors

Dr. Benjamin Marcus Loos, MD
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Dr. Benjamin Marcus Loos, MDDr. Elizabeth June Rosen, MDDr. Christopher Apostol Mascarinas, MDDr. Ashley Quinn Thorburn, MD
Otolaryngology-Head & Neck SurgeryOtolaryngology-Head & Neck SurgeryOtolaryngology-Head & Neck SurgerySurgery
Accepts New Patients Accepts New Patients Accepts New Patients
4.5 
4 
0 
0 
29 Years of Experience 28 Years of Experience 19 Years of Experience 15 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish
Concord , CAUnion City , CAWalnut Creek , CAVacaville , CA
Med School: Baylor College Of Medicine Med School: St Louis University School Of Medicine Med School: Suny Downstate Medical Center College Of Medicine Med School: FIU HERBERT WERTHEIM COLLEGE OF MEDICINE
Current Profile
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Insurance Plans Accepted by Dr. Benjamin Marcus Loos

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

Medical Specialties

Dr. Benjamin Marcus Loos has the following 2 specialties

Specialty Expertise

Dr. Benjamin Marcus Loos has the following 11 areas of expertise

  • Allergies
  • Chronic Sinusitis
  • Deviated Septum
  • Facial Trauma
  • Hearing Loss
  • Oophoritis (Ovary inflammation)
  • Plastic Surgery
  • Polyps
  • Smell Disorders
  • Swallowing Disorders
  • Tumors

Certifications, License, & Education

29 Years Experience

Dr. Benjamin Marcus Loos 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 2026.

Education & Training

Residency

Completed their residency at Georgetown University Medical Center.

Medical School

Graduated from Baylor College Of Medicine in 1997.

NPI Number

Dr. Loos' NPI number is 1457441214.

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Frequently Asked Questions

Which hospitals is Dr. Benjamin Loos affiliated with?
Dr. Benjamin Loos is affiliated with John Muir Health Concord Medical Center and Walnut Creek Medical Center.
Does Dr. Benjamin Loos accept my insurance?
You can see the insurance plans that Dr. Benjamin Loos accepts on their Vitals profile.
Does Dr. Benjamin Loos accept virtual/telehealth appointments?
Dr. Benjamin Loos has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Is Dr. Benjamin Loos accepting new patients?
Dr. Benjamin Loos is accepting new patients on Vitals. View Dr. Benjamin Loos's profile on Vitals to make an appointment.
How can I make an appointment with Dr. Benjamin Loos?
You can find contact information for Dr. Benjamin Loos here on Vitals.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards
  • Healthcare system and provider network data

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