Dr. Roy M. Hayashi
- Gender: Male
- Sole propriator: Yes
- NPI: 1922151638
Dr. Roy M. Hayashi D.M.D
Endodontist
He is located at 27462 Portola Parkway Suite 200 in Foothill Ranch, CA 92610. Can help patients with the following: Dental Crowns and Caps, Dental Exam and Cleaning, Dentin Hypersensitivity, Edentulism, Teething, Tongue Problems. His National Provider Identifier (NPI) number is 1922151638. Appointment can be made via the phone number (949) 273-8575. He is affiliated with 1 practices.
Conditions treated
Dr. Roy Masato Hayashi, being an endodontist, 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. Roy M. Hayashi.
- Abscessed Tooth
- Bad Breath
- Bleeding Gums
- Canker Sore
- Cavity
- Cosmetic Dentistry
- Cracked Tooth
- Dental Bridges
- Dental Crowns and Caps
- Dental Emergency
- Dental Exam and Cleaning
- Dental Fillings and Repairs
- Dental Implants
- Dental Malocclusion
- Dental Plaque
- Dental Sealant
- Dentin Hypersensitivity
- Dentures
- Edentulism
- Gum Disease / Gingivitis
- Invisalign
- Laser
- Loose Tooth
- Oral Cancer Examination
- Orthodontic Retainer
- Pericoronitis
- Root Canal
- Sensitive Teeth
- Smile Makeover
- Stained Teeth
- Teeth Grinding
- Teeth Whitening
- Teething
- Temporomandibular Joint Syndrome (TMJ)
- Tongue Problems
- Tooth Extraction
- Tooth Resorption
- Toothache
- Traumatic Dental Injury
- Veneers
Medicare Enrollment
Dr. Roy M. Hayashi is enrolled to bill Medicare as a Order And Referring Only - Other (physician) (also registered under: Practitioner - Other (physician), Practitioner - Oral Surgery) .
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.
Payments received
Drug payment
| Tulsa Dental Products | $641 |
| Sonendo | $229 |
| Biohorizons Implant Systems | $61 |
Other
| Food and Beverage | $640 |
| Other | $333 |
Additional Specialities
- Dentist
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Questions & Answers
What conditions does Dr. Roy Masato Hayashi treat?
Dr. Roy Masato Hayashi provides treatment for Dental Crowns and Caps, Dental Exam and Cleaning, Dentin Hypersensitivity, Edentulism, Teething, Tongue Problems. For the full list see this list.
Does Dr. Roy Masato Hayashi have affiliation with practices?
Dr. Roy Masato Hayashi is affiliated with Aava Dental of Foothill Ranch.
Does Dr. Roy Masato Hayashi accept insurance?
Unfortunately we don't have any information if Dr. Roy Masato Hayashi accepts insurance.
Where can you meet with Dr. Roy Masato Hayashi?
Dr. Roy Masato Hayashi's office is located at 27462 Portola Parkway Suite 200 in Foothill Ranch, CA 92610.