Dr. Kourosh Yousefzadeh in a navy suit at the Smile LA office
Meet the Doctor

Dr. Kourosh Yousefzadeh, D.D.S.

Your Trusted Partner in Comprehensive Dental Care

At Smile LA Downtown Modern Dentistry, Dr. Kourosh Yousefzadeh, known fondly by his patients as Dr. Kourosh, is dedicated to transforming smiles with precision and care. With over two decades of experience, Dr. Kourosh brings a wealth of knowledge and expertise to every patient he treats.

Book with Dr. Kourosh (213) 570-8775
USC Herman Ostrow, D.D.S.
Two decades in practice
Education and Journey

Educational background and professional journey

Dr. Kourosh earned his Doctor of Dental Surgery (D.D.S.) degree with high honors from the prestigious Herman Ostrow School of Dentistry at the University of Southern California (USC). His commitment to excellence began early in his career, as he sought to master the most advanced techniques in dentistry by working alongside some of the top dentists in the field.

To stay at the forefront of dental innovations, Dr. Kourosh regularly pursues advanced training and continuing education. His certifications include advanced dental implant restorations, cosmetic dentistry, oral surgery, Invisalign orthodontic treatment, and root canal therapy. This dedication ensures that Dr. Kourosh is always equipped to provide the latest and most effective treatments to his patients.

Dr. Kourosh Yousefzadeh in a navy suit, seated in the lobby at 523 West Sixth Street with the practice dog beside him
Dr. Kourosh / DTLA Office
Training and Certification
01
D.D.S. with high honors, Herman Ostrow School of Dentistry, USC
02
Advanced dental implant restorations
03
Cosmetic dentistry
04
Oral surgery
05
Invisalign orthodontic treatment
06
Root canal therapy
Professional Affiliations
American Dental Association (ADA)
California Dental Association (CDA)
American Association of Endodontics (AAE)
Iranian-American Dental Association of California (IADAC)
Best of BusinessRate 2025 award seal
Best of BusinessRate 2025 for the Financial District of Los Angeles, based on Google Reviews collected in July 2025.
My Philosophy

A philosophy of patient-centered care

Dr. Kourosh is a big believer in continuous education, not just for himself, but also for his highly trained staff. Dental techniques and technologies are constantly evolving, and Dr. Kourosh ensures that his practice is always on the cutting edge. From the latest in cosmetic dentistry to minimally invasive procedures, Dr. Kourosh is dedicated to bringing the best in modern dentistry to his patients.

“Modern tools help us work more precisely and efficiently, which often means shorter appointments, less discomfort, and more conservative treatment that preserves your natural teeth.”
Dr. Kourosh Yousefzadeh, D.D.S.
A leader in dental innovation
Downtown Los Angeles high-rise towers seen looking up from street level
Dr. Kourosh on how the practice keeps its techniques and technology current.
What He Treats

Signature treatments

The procedures Dr. Kourosh performs most, each one planned and finished in the Downtown office.
01

Implant restorations

Advanced restoration of implants, planned with 3D Cone Beam CT.
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02

Cosmetic dentistry

Veneers, whitening and smile design with natural-looking results.
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03

Oral surgery

Extractions and surgical care handled in-office.
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04

Invisalign

Clear aligner treatment planned from an iTero scan.
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05

Root canal therapy

Saving a tooth that is infected at the nerve.
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06

Smile makeover

Veneers, whitening and shaping as one plan.
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At Work

Dr. Kourosh at the chair

Financial District, DTLA
Dr. Kourosh Yousefzadeh talking a patient through a treatment plan beside the operatory window
Reviewing the Plan
Dr. Kourosh Yousefzadeh seated beside a laughing patient, a digital smile preview on the wall screen
Digital Smile Preview
Dr. Kourosh Yousefzadeh and an assistant treating a patient under the surgical microscope
Under Magnification
Dr. Kourosh Yousefzadeh pointing at a chairside monitor while an assistant works with a patient
Chairside, on Screen
His Cases

Before and after

Transformations range from subtle enhancements to complete smile makeovers. Drag any case to reveal the result.
See the Full Gallery →
BeforeAfter
Case 01 before treatmentCase 01 after treatment
Case 01
BeforeAfter
Case 02 before treatmentCase 02 after treatment
Case 02
BeforeAfter
Case 03 before treatmentCase 03 after treatment
Case 03
BeforeAfter
Case 04 before treatmentCase 04 after treatment
Case 04
In a Patient’s Words
“
Smile LA is the best dental experience I have ever had. Everyone in the office is very friendly and welcoming. Dr. K is extremely knowledgeable and provides the best advice and treats you with care.
Joe Keb
Google Review
“
I chipped my bondage tooth two days before my interview. The staff was very friendly and accommodated me the SAME day (was a new patient)! My tooth looks even better than it did before it broke.
Trevor Robinson
Google Review
4.9
475 Google Reviews
Smile L.A. Downtown Modern Dentistry
Video Testimonial
A patient speaking to camera on a Downtown Los Angeles street
Play
All Testimonials →
Best of BusinessRate 2025 award seal for Smile L.A. Downtown Modern Dentistry, Financial District, Los Angeles
Press and Awards

Smile L.A. Downtown Modern Dentistry Recognized as Best of BusinessRate 2025

Smile LA Downtown Modern Dentistry is proud to be recognized as a Best of BusinessRate 2025 award recipient for the Financial District of Los Angeles. Based on Google Reviews collected in July 2025, this recognition reflects our patients’ trust and our team’s commitment to modern dentistry, personalized care, and exceptional service in Downtown LA.

Dr. Kourosh Yousefzadeh in gray scrubs
More About Me

Beyond the practice

When he’s not transforming smiles at Smile LA, Dr. Kourosh enjoys spending time with his family and exploring the vibrant culture of Los Angeles. He believes in living a balanced and fulfilling life, both inside and outside the office.

Known As
Dr. Kourosh, to his patients
Outside Work
Family, and the culture of Los Angeles
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@drkouroshdds
Dr. Kourosh and His Patients

Faces from the chair

Patients photographed with Dr. Kourosh at the Downtown office. Hover any frame for the color print.
A patient standing with Dr. Kourosh Yousefzadeh after treatment
Patient 01
Downtown Los Angeles office
A patient standing with a Smile LA doctor after treatment
Patient 02
Downtown Los Angeles office
A patient standing with Dr. Kourosh Yousefzadeh after treatment
Patient 03
Downtown Los Angeles office
Two patients standing with a Smile LA doctor after treatment
Patient 04
Downtown Los Angeles office
A patient standing with Dr. Kourosh Yousefzadeh after treatment
Patient 05
Downtown Los Angeles office
Schedule an Appointment with Dr. Kourosh

Advanced skills, a caring approach

If you’re looking for a dentist who combines advanced skills with a caring approach, Dr. Kourosh is here to help.

01 / Book Online

Request a time

Pick a slot that works and we confirm it the same day.
Book Appointment →
02 / Call the Office

(213) 570-8775

Speak to the front desk about a first visit or an urgent problem.
Call Now →
03 / Visit Us

523 W 6th St #202

Financial District, Downtown Los Angeles. Validated parking in the building.
Get Directions →