Dr. Justin Nassiri

Meet the Surgeon

California Dental Association

American Dental Association

Fresno Madera Dental Society

Dr. Justin Nassiri, oral and maxillofacial surgeon and founder of Valley Oak Oral Surgery in Fresno, CA
Background

Dr. Justin Nassiri

Board Certified
Oral Surgeon

At Valley Oak Oral Surgery, Dr. Justin Nassiri is committed to providing a safe, comfortable, and personalized experience for every patient who walks through the door. After earning his dental degree from the University of the Pacific Arthur A. Dugoni School of Dentistry, Dr. Nassiri completed his specialty training in Oral and Maxillofacial Surgery through the UCSF Fresno Medical Education & Research Program. With a patient-first approach and a focus on modern surgical care, he is dedicated to helping individuals throughout Fresno and the Central Valley achieve healthier, more confident smiles.

Care Above All Else

Rebuilt From The Root Up

Dr. Justin Nassiri believes exceptional oral surgery care begins with trust, compassion, and patient comfort. His philosophy centers on creating a safe and reassuring experience where patients feel informed, cared for, and confident in their treatment every step of the way. With advanced training in oral and maxillofacial surgery and a commitment to modern surgical techniques, Dr. Nassiri provides personalized care designed to restore health, function, and confidence for patients throughout Fresno and the Central Valley.

Dr. Nassiri

Our Ethos

Dr. Nassiri

Our Ethos
Expertise

Training & Experience

Dr. Justin Nassiri combines advanced surgical training with a patient-centered approach to deliver a more comfortable oral surgery experience. After earning his dental degree from the University of the Pacific Arthur A. Dugoni School of Dentistry, he completed his Oral and Maxillofacial Surgery training through the UCSF Fresno Medical Education & Research Program. Whether performing wisdom teeth removal, dental implant surgery, or complex restorative procedures, Dr. Nassiri focuses on precision, safety, and personalized care to help every patient feel informed, comfortable, and confident throughout treatment.

Getting to Know Dr. Nassiri

Why did you decide to become an oral surgeon?

What is your philosophy of patient care?

How do you stay current with advancements in oral surgery?

What do you enjoy most about your work?

What are your interests outside of oral surgery?

Work Experience

Valley Oak Oral Surgery and Dental Implant Group 2023- Present

Founder and Owner

Bluetree Oral Surgery, Turlock Oral Surgery, Pacific Dental Services, Bright Now Dental 2022- 2025

Traveling Oral Surgeon

Education

University of California San Francisco - Fresno Oral & Maxillofacial Surgery Residency Program 2018-2022

Certificate in Oral & Maxillofacial Surgery

University of Maryland Medical Center, Shock Trauma Center, 1-year OMFS Internship 2017-2018

Implant placement and wisdom teeth removal IV sedation

Inpatient/outpatient surgeries including dentoalveolar, infections, trauma, cosmetic, TMJ, cleft/craniofacial

University of The Pacific, Arthur A Dugoni School of Dentistry 2014-2017

Doctor of Dental Surgery

Omicron Kappa Upsilon National Honors Society

3.70 cumulative GPA

Class Rank 10 of 138

University of California, Los Angeles 2009-2011

B.S. in Ecology and Evolutionary Biology

El Camino College, Los Angeles, CA 2007-2009

A.A. in Biology

UCSF-Fresno OMFS Residency Training

Community Regional Medical Center, Fresno, CA 07/2018 to 06/2022

Inpatient/outpatient surgeries including dentoalveolar, infections, trauma, pathology/reconstruction, TMJ, cleft/craniofacial. Only level I trauma center in California’s Central Valley (between SF-LA).

• Inpatient management

• General anesthesia (5 months), over 400 cases.

• Emergency medicine (1 month)

• Internal medicine (2 months)

• Plastic surgery (3 months)

• Trauma surgery/ICU (3 months)

OMFS Care Center, Fresno, CA 07/2018

Outpatient care clinic, dentoalveolar procedures under IVGA. Performed ~100 IVGA cases to date.

Veteran’s Affair Medical Center, Fresno, CA 6 Months

Dentoalveolar outpatient surgeries including extractions, bone grafts, sinus lifts, and implant placements.

Operating room experience for dentoalveolar and pathology cases.

Valley Children’s Hospital, Fresno, CA 1 Month

Pediatric general anesthesia, over 100 cases.

Kaiser Permanente Hospital, Fresno, CA 3 Months

Operating room experience for private practice orthognathic and pathology cases with attendings from Fresno Oral Surgery Group (FOSG)

Clovis Community Medical Center, Clovis, CA 06/2020 to 06/2022

Outpatient orthognathic and pathology cases. Coverage for trauma and infections, local level 2 trauma center.

St. Agnes Medical Center, Fresno, CA 06/2020 to 06/2022

Trauma, infections, pathology. Local level 2 trauma center.

Honors & Awards

High Honors with Graduation, University of the Pacific

Omicron Kappa Upsilon National Honors Society, Inductee

Arthur A. Dugoni Excellence in Oral Surgery (merit-based, top student)

Herbert K. Yee Scholarship for Clinical Excellence (10% of class selected)

Kappa Omega, University of Pacific Honors Society, Inductee

Professional Societies

Fresno Madera Dental Society

AAOMS (American Association of Oral and Maxillofacial Surgeons)

CALAOMS (California Association of Oral and Maxillofacial Surgeons)

ADA (American Dental Association)

CDA (California Dental Association)

Relevant Continuing Education

CE for DDS certification

AAOMS 2021

Facial Trauma Surgical Lab

Osteo Science Foundation Meeting

International Bone Symposium in Implant Dentistry

Board Rate

Board Certification: American Board of Oral And Maxillofacial Surgery Diplomate (Oral and Written)

Oral and Maxillofacial Surgery In-service Training Examination (OMSITE)

• Obtained 99th percentile

Research

“Piriform Aperture Stenosis: Treatment of the Craniofacial Defect seen in Solitary Median Maxillary Central Incisor Syndrome”

“OKC vs Dentigerous Cyst Diagnosis Based on Lesion Size”

Data analysis of mandibular/maxillary lesions via CBCT/Pano and discovered lesion size as a significant indicator of type of pathology.

“Oral Sarcoidosis: a retrospective comparative analysis of two rare cases of intraosseous sarcoidosis in the mandible."

Nassiri J, Zandevakilli S, Asadi H, Said-Al-Naief N; University of the Pacific

• Described the clinical and pathologic findings of mandibular sarcoidosis

• Poster presentation, CDA Convention May 2016

“Activity of Fibroblast Growth Factor Inhibitors in Human Endometrial and Ovarian Cancer Cells."

Nassiri J, Konecny G; University of California, Los Angeles. Funding: Novartis Pharmaceuticals

Leadership & Service

1000 Smiles Inc, Jamaica Dental Mission

• Organized and performed walk-in dental services for 996 local patients with OMFS Team

• Dentoalveolar surgeries including: benign tumor excisions, tori excision, surgical extractions

Resident Instructor, University of Maryland School of Dentistry, Baltimore, MD

• Instructed Surgical training lab and managed dentoalveolar procedures in clinic. Mentor for dental students rotating in oral surgery department

OMFS Externships

Boston University Medical Center, Boston, MA 2016

• Cases scrubbed: LeFort I osteotomy with BSSO, partial glossectomy, Abbe-Estlander flap, TMJ arthrocentesis, #17 transcervical extraction and enucleation of cyst with reduction and fixation. Extractions

Louisiana State University Medical Center, Shreveport, LA 2016

• Cases scrubbed: radical neck dissections, pedicled deltoid flap & fibula free flap for cancer reconstruction, LeFort I osteotomy with BSSO, ORIF mandibular fracture. Extractions

Fresno Medical Center, Fresno, CA

Cases scrubbed: closed reduction of nasal fractures, ORIF of mandibular fractures, orbital floor blowout with titanium mesh, removal of prefabricated condyle. Extractions

Licensure and Certifications

California Dental License EXP 11/30/2027

General Anesthesia Permit EXP 11/30/2027

DEA Licenses

BLS, ACLS, ATLS, PALS

Languages and Hobbies

Spanish and Farsi

Family time with my beautiful wife and baby girl; long walks with my Great Pyrenees; ceramics sculpturing and pottery; car mechanics; river fishing; California South Bay Championships in pole vault (2007).

Soft white wood grain texture background at Valley Oak Oral Surgery
Patient Reviews

The Valley's Most
Trusted Oral Surgeon
400 Reviews · 5.0 Stars

"From the moment my daughter walked in, she felt genuinely cared for. The staff was incredibly attentive, making sure she was comfortable."