Dr. Diane Costandi
- Gender: Female
- Sole propriator: No
- NPI: 1053791046
Dr. Diane Costandi DDS
Periodontist
She is located at 2999 Westminster Avenue Suite 108 in Seal Beach, CA 90740. Can help patients with the following: Cosmetic Dentistry, Cracked Tooth, Dental Crowns and Caps, Dentures, Gum Surgery, Pericoronitis. Her National Provider Identifier (NPI) number is 1053791046. Appointment can be made via the phone number (562) 431-9739. She is affiliated with 1 practices.
Conditions treated
Dr. Diane Costandi, being an periodontist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Diane Costandi.
- Bleeding Gums
- Cosmetic Dentistry
- Cracked Tooth
- Dental Bridges
- Dental Crowns and Caps
- Dental Emergency
- Dental Exam and Cleaning
- Dental Fillings and Repairs
- Dental Implants
- Dental Malocclusion
- Dentin Hypersensitivity
- Dentures
- Gum Disease / Gingivitis
- Gum Surgery
- Invisalign
- Laser
- Oral Cancer Examination
- Peri-implantitis
- Pericoronitis
- Root Canal
- Teeth Grinding
- Teeth Whitening
- Tooth Extraction
- Toothache
- Veneers
Medicare Enrollment
Dr. Diane Costandi is enrolled to bill Medicare as a Order And Referring Only - Dentist (also registered under: Practitioner - Dentist) .
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Additional Specialities
- Dentist
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Questions & Answers
Does Dr. Diane Costandi accept insurance?
Unfortunately we don't have any information if Dr. Diane Costandi accepts insurance.
Does Dr. Diane Costandi have affiliation with practices?
Dr. Diane Costandi is affiliated with Drs. Gantes & Smith.
What conditions does Dr. Diane Costandi treat?
Dr. Diane Costandi provides treatment for Cosmetic Dentistry, Cracked Tooth, Dental Crowns and Caps, Dentures, Gum Surgery, Pericoronitis. For the full list see this list.
Where can you meet with Dr. Diane Costandi?
Dr. Diane Costandi's office is located at 2999 Westminster Avenue Suite 108 in Seal Beach, CA 90740.