1. Home
  2. Directory
  3. California
  4. Foothill Ranch
  5. Dentist
  6. NPI Profile

DR. ROY MASATO HAYASHI D.M.D
NPI 1922151638
Dentist - Endodontics in Foothill Ranch, CA

Active since January 18, 2007PECOS Enrolled
27462 PORTOLA PKWY, SUITE 200, FOOTHILL RANCH, CA 92610(949) 273-8575(949) 273-8577 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Dr. Roy Masato Hayashi D.m.d NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ROY MASATO HAYASHI D.M.D (NPI 1922151638) is an individual endodontics provider in Foothill Ranch, California, licensed in California (53528) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1922151638
Entity TypeIndividualMale
Primary Taxonomy1223E0200X
Provider Legal NameDR. ROY MASATO HAYASHICredential: D.M.D
Location Address27462 PORTOLA PKWY, SUITE 200Foothill Ranch, CA 92610-2815
Mailing Address27462 Portola Pkwy, Suite 200Foothill Ranch, CA 92610-2815 · (949) 273-8575 · Fax (949) 273-8577
Phone(949) 273-8575
Fax(949) 273-8577
Sole ProprietorYes
Enumeration DateJanuary 18, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1922151638 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · EndodonticsDental Providers
Taxonomy Code1223E0200X
License✔ Licensed in CA · 53528
Definition
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.
27462 PORTOLA PKWY, Foothill Ranch, CA 92610
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, BEST Life, Blue Cross and Blue Shield of Alabama and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Roy Masato Hayashi D.m.d is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92610 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

PRIME SURGICAL CTR OF FOOTHILL RANCH, LLC
Clinic/Center (Ambulatory Surgical)
27462 PORTOLA PKWY, SUITE 100
FOOTHILL RANCH, CA 92610
Orange County (949) 900-1340
RICHARD TURNER MASSAGE THERAPIST
Massage Therapist
27462 PORTOLA PKWY, 201
LAKE FOREST, CA 92610
Orange County (949) 837-8009
HOOTAN DANESHMAND M D INCORPORATED
Plastic Surgery
27462 PORTOLA PKWY, SUITE 100
FOOTHILL RANCH, CA 92610
Orange County (949) 727-9099
DR. JASON RANDALL BALLOU DDS
Dentist
27462 PORTOLA PKWY, SUITE #205
FOOTHILL RANCH, CA 92610
Orange County (949) 830-2355
AAVA DENTAL OF FOOTHILL RANCH A MANSOUR DENTAL GROUP INC RODEO MANAGEM
Dentist
27462 PORTOLA PKWY, STE 205
FOOTHILL RANCH, CA 92610
Orange County (817) 529-8151
CLARITY ANESTHESIA MEDICAL GROUP
Anesthesiology
27462 PORTOLA PKWY, SUITE 101
FOOTHILL RANCH, CA 92610
Orange County (949) 900-1340

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Roy Hayashi's NPI number?

The NPI number for Roy Hayashi is 1922151638. It was assigned to this individual provider in the NPPES registry on January 18, 2007.

Where is Roy Hayashi located?

Roy Hayashi practices at 27462 Portola Pkwy Suite 200, Foothill Ranch, CA 92610. The listed phone number is (949) 273-8575.

What is Roy Hayashi's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Endodontics, with taxonomy code 1223E0200X.

Is Roy Hayashi enrolled in Medicare?

Yes. Roy Hayashi is registered in the Medicare PECOS enrollment system.

What insurance does Roy Hayashi accept?

Health plans from Anthem Blue Cross and Blue Shield, BEST Life, Blue Cross and Blue Shield of Alabama, Blue Cross and Blue Shield of Montana and Blue Cross and Blue Shield of Oklahoma and 6 other insurers list Roy Hayashi as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Roy Hayashi was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.