Staff

All professionals at Peak Dental Specialists maintain the highest levels of accreditation and pursue ongoing education to stay abreast of the latest trends in the medical field. Read on to learn more about our staff's experience and training.

  • Tony Li
    DDS, MD
    Oral Surgeon

    Dr. Tony Li grew up on the peninsula in Northern California in the city of Belmont. He attended college at UC Berkeley studying molecular biology. Dr. Li then attended UCSF School of Dentistry and graduated in 2008. He subsequently moved to the east coast and completed a 6 year integrated Oral & Maxillofacial Surgery Residency/MD program at the University of Pittsburgh in Pittsburgh, Pennsylvania. He graduated medical school in 2012 and completed surgical residency in 2014. Dr. Li then completed a fellowship in Cranio-maxillofacial trauma at Legacy Emmanuel Hospital in Portland, Oregon in 2015.

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  • Thaer Alqadoumi
    DDS, MS
    Periodontist

    Dr. Alqadoumi received his first DDS degree from University of Jordan in 2012, then he received another DDS degree from Loma Linda University in 2016.

    Received his post-graduate training in Loma Linda University in Periodontics & implant surgery, where he received his MS degree. 

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  • Michael Lee
    DMD
    Orthodontist

    “Nothing gets me more excited than seeing a patient view their new smile for the first time after treatment is completed. It is truly a pleasure being able to meet and establish lifelong connections with so many people from different walks of life while transforming their smile.

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  • Taoheed Johnson
    DMD
    Endodontist

    Dr. Johnson grew up in Los Angeles where he attended USC for college. He then ventured to the East Coast to attend Tufts in Boston for dental school. Afterwards, he completed a general practice residency in the Bronx and was fortunate to become the chief resident for the second year. He decided to stay and work in New York City for another year thereafter. Ultimately, he pursued his Endodontic residency in Los Angeles at USC dental school. Dr. Johnson loves dentistry and Endodontics because it is challenging and rewarding to be of service to people. Mostly, he likes using his hands to work and he feels like it is a blessing to get the opportunity! He has been a dentist for 13 years and is excited to be a part of this team. In his spare time, he loves exploring other cultures, travelling and generally being active.

  • Robert Keshishian
    DDS
    Exodontist - Oral Surgery

    Southern California raised, Dr. Keshishian attended California State University - Northridge for his undergraduate degree in Biology with a sub-speacialty in Cell and Molecular Biology. Upon completion, he matriculated into Herman Ostrow School of Dentistry of USC's Doctor of Dental Surgery program
    During his time at USC, Dr. Keshishian served as Vice President of the Oral Surgery selective program as well as participating in the Special Patients elective clinic where he treated medically complex patients. 

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  • Yara Arnouk
    DDS, MICOI, MAAIP
    Managing Dentist

    Dr. Yara Arnouk, a distinguished graduate of Loma Linda University, School of Dentistry, embarked on her journey into implant dentistry early in her educational pursuit. Her fervor for this field was ignited when she was handpicked as one of the elite trio from her graduating class to partake in the prestigious Loma Linda Implant Continuum immediately following graduation.

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Contact Us

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COME VISIT GLENDORA'S PREMIER DENTAL SPECIALTY GROUP

Office Location:

210 S Grand Ave, Suite 308 Glendora, CA 91741

Hours of Operation:

Peak Dental Specialists is open five days a week. Our hours of operation are:

Monday:

8:00 am-5:00 pm

Tuesday:

8:00 am-5:00 pm

Wednesday:

8:00 am-5:00 pm

Thursday:

9:00 am-6:00 pm

Friday:

7:00 am-4:00 pm

Saturday:

Closed

Sunday:

Closed