Sumiko Missimer, D.C.
NPI 1225351356 · Chiropractor · Sunnyvale, CA
Enrolled with Medicare as Practitioner - Chiropractic · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sumiko Missimer, D.C. is a Chiropractor provider in Sunnyvale, CA (NPI 1225351356).
Provider details
- NPI number
- 1225351356
- Entity type
- Individual
- Primary specialty
- ChiropractorChiropractic Providers
- Credential
- D.C.
- Sex
- Female
- Sole proprietor
- Yes
- License
- DC-31563 (CA)
Specialties & taxonomies
Chiropractic Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
- 2010-03-03
- Last updated
- 2022-07-21
Frequently asked questions
- What is Sumiko Missimer's NPI number?
- Sumiko Missimer's National Provider Identifier (NPI) is 1225351356, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sumiko Missimer's specialty?
- Sumiko Missimer is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
- Where is Sumiko Missimer located?
- Sumiko Missimer's practice location on file with NPPES is 1309 S Mary Ave, Sunnyvale, CA 94087-3050.
- What is Sumiko Missimer's phone number?
- The practice phone number listed in the NPPES registry for Sumiko Missimer is (408) 738-8610.
- Does Sumiko Missimer accept Medicare?
- Sumiko Missimer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sumiko Missimer's NPI active?
- Yes — Sumiko Missimer's NPI (1225351356) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.