Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Ryan Nobuo Sumida, M.D.
Pediatrics Physician in Aiea, HI · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1851336978
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Registry record
Entity type Individual (Type 1)
Name Dr. Ryan Nobuo Sumida
Credential M.D.
Sex Male
Practice address 99-128 Aiea Heights Dr, Suite 211, Aiea, HI, 96701
Phone (808) 488-8441
Fax (808) 487-2003
Enumeration date Jun 20, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 022098-01 | Medicaid | HI | - |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Ryan Sumida?
The National Provider Identifier (NPI) for Ryan Sumida is 1851336978, a Type 1 (individual) record in the CMS NPPES registry.
Where does Ryan Sumida practice?
The practice location on file with NPPES is in Aiea, HI. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Pharmacare International, Inc. Community/Retail Pharmacy · Aiea, HI NPI 1649256298 William Wong Ophthalmology Physician · Aiea, HI NPI 1144270042 Teresa Lathrop Marriage & Family Therapist · Aiea, HI NPI 1780635383 Vernon Azuma Pediatrics Physician · Aiea, HI NPI 1356395040 Robert Ogawa Pediatrics Physician · Aiea, HI NPI 1447207899 Wayne Tamashiro General Practice Dentistry · Aiea, HI NPI 1508803461 Wayne M. Tamashiro, D.D.S., L.L.C. General Practice Dentistry · Aiea, HI NPI 1114965522 Carla Chinen Physical Therapist · Aiea, HI NPI 1023059649
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.