Dr. Roy Masato Hayashi
D.M.D | Endodontist
27462 Portola Pkwy, Suite 200, Foothill Ranch
California, 92610-2815
949-273-8575 949-273-8577
Maps & DirectionsDr. Roy Masato Hayashi is a Foothill Ranch, California based Endodontist who is specialized in
Endodontics. He may accept the Medicare-approved amount. Patients may be billed for more than the Medicare deductible and coinsurance. His current practice location is
27462 Portola Pkwy, Suite 200, Foothill Ranch. Patients can reach him at
949-273-8575.
Dr. Roy Masato Hayashi deals with the branch of dentistry that is concerned with the morphology, physiology and pathology of the human dental pulp and periradicular tissues. Its study and practice encompass the basic and clinical sciences including biology of the normal pulp, the etiology, diagnosis, prevention and treatment of diseases and injuries of the pulp and associated periradicular conditions.
Complete Profile:
Dr. Roy Masato Hayashi speciality, credentials, practice address, contact phone number and fax are as below.
Patients can directly walk in or can call on the below given phone number for appointment.
| Name: | Dr. Roy Masato Hayashi |
| Specialization: | Endodontist |
| Gender: | Male |
| Credentials: | D.M.D |
| Accepts Medicare Assignment: | May Accept |
| Practice Address: | 27462 Portola Pkwy, Suite 200, Foothill Ranch,
California, 92610-2815 |
| Phone: | 949-273-8575 |
| Fax: | 949-273-8577 |
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS).
NPI details are as mentioned below.
| PAC ID: | 8224345319 |
| Enrollment ID: | I20150922003016 |
| NPI Number: | 1922151638 |
| NPI Enumeration Date: | 18 Jan, 2007 |
| NPI Last Update On: | 08 Jul, 2007 |
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | 27462 Portola Pkwy, Suite 200
Foothill Ranch, California |
| Zip: | 92610-2815 |
| Phone Number: | 949-273-8575 |
| Fax Number: | 949-273-8577 |
Patients can reach Dr. Roy Masato Hayashi at
27462 Portola Pkwy, Suite 200, Foothill Ranch, California or can
call to book an appointment on 949-273-8575.
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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on
08 December, 2025.