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DR. GRANT ROGER MASAOKA M.D.
NPI 1780677120
Specialist in Anaheim, CA

Active since August 30, 2005
1781 W ROMNEYA DR, SUITE E, ANAHEIM, CA 92801(714) 774-0414(714) 774-0494 Get Directions Write a Review

NPPES record last updated: July 9, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Grant Roger Masaoka M.d. NPPES

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

DR. GRANT ROGER MASAOKA M.D. (NPI 1780677120) is an individual specialist in Anaheim, California, licensed in California (G19094) and active in the NPI registry since August 2005.

NPPES Registry Identity

NPI1780677120
Entity TypeIndividualMale
Primary Taxonomy174400000X
Provider Legal NameDR. GRANT ROGER MASAOKACredential: M.D.
Location Address1781 W ROMNEYA DR, SUITE EAnaheim, CA 92801-1818
Mailing Address1781 W Romneya Dr, Suite EAnaheim, CA 92801-1818 · (714) 774-0414 · Fax (714) 774-0494
Phone(714) 774-0414
Fax(714) 774-0494
Enumeration DateAugust 30, 2005
Last NPPES UpdateJuly 9, 2007
✔ NPI 1780677120 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in CA · G19094
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
1781 W ROMNEYA DR, Anaheim, CA 92801
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Other Identifiers 2

Medicaid00G190940CA
Medicare UPINH18039CA

Other Providers at the Same Location NPPES 12

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

DR. JAGMINDER SINGH BHALLA M.D.
Internal Medicine
1781 W ROMNEYA DR, STE C
ANAHEIM, CA 92801
Orange County (714) 956-3160
PETER C. YOON L.AC.
Acupuncturist
1781 W ROMNEYA DR, SUITE I
ANAHEIM, CA 92801
Orange County (714) 535-3668
DR. PRAMOD KUMAR BATRA SR. MD
Surgery
1781 W ROMNEYA DR, SUITE G
ANAHEIM, CA 92801
Orange County (714) 535-8882
PAUL C. YOON, DPM, INC.
Podiatrist (Foot Surgery)
1781 W ROMNEYA DR, SUITE I
ANAHEIM, CA 92801
Orange County (714) 535-3668
PAUL CHUNG-HYUN YOON D.P.M.
Podiatrist
1781 W ROMNEYA DR, SUITE I
ANAHEIM, CA 92801
Orange County (714) 535-3668
PARVINDAR WADHWA
Internal Medicine (Cardiovascular Disease)
1781 W ROMNEYA DR, STE B
ANAHEIM, CA 92801
Orange County (714) 778-8484
ION SIMA MD
Internal Medicine
1781 W ROMNEYA DR, STE B
ANAHEIM, CA 92801
Orange County (714) 776-8273
HARVEY YUNG
Family Medicine
1781 W ROMNEYA DR
ANAHEIM, CA 92801
Orange County (714) 808-9208

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 Grant Masaoka's NPI number?

The NPI number for Grant Masaoka is 1780677120. It was assigned to this individual provider in the NPPES registry on August 30, 2005.

Where is Grant Masaoka located?

Grant Masaoka practices at 1781 W Romneya Dr Suite E, Anaheim, CA 92801. The listed phone number is (714) 774-0414.

What is Grant Masaoka's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

When was this NPI record last updated?

The NPPES record for Grant Masaoka was last updated on July 9, 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.