Roy Sumida, M.D.
NPI 1851471601 · Vascular & Interventional Radiology Physician · Santa Rosa, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Roy Sumida, M.D. is a Vascular & Interventional Radiology Physician provider in Santa Rosa, CA (NPI 1851471601).
Provider details
- NPI number
- 1851471601
- Entity type
- Individual
- Primary specialty
- Vascular & Interventional Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G85276 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-16
- Last updated
- 2022-01-14
Frequently asked questions
- What is Roy Sumida's NPI number?
- Roy Sumida's National Provider Identifier (NPI) is 1851471601, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Roy Sumida's specialty?
- Roy Sumida is listed in the NPPES registry with a primary specialty of Vascular & Interventional Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Roy Sumida located?
- Roy Sumida's practice location on file with NPPES is 121 Sotoyome St, Santa Rosa, CA 95405-4823.
- What is Roy Sumida's phone number?
- The practice phone number listed in the NPPES registry for Roy Sumida is (707) 546-4062.
- Does Roy Sumida accept Medicare?
- Roy Sumida is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Roy Sumida's NPI active?
- Yes — Roy Sumida's NPI (1851471601) is active in the NPPES registry as of the last update on 2022-01-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.