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Roy Marubayashi
NPI 1558580969 · Pediatrics Physician · Vacaville, CA
Roy Marubayashi is a Pediatrics Physician provider in Vacaville, CA (NPI 1558580969).
Provider details
- NPI number
- 1558580969
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- G52485 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(89/100 index)
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
3700 Vaca Valley Pkwy
Vacaville, CA 95688-9430
Phone: (510) 625-6262
Approximate (ZIP-level) locationGet directions
Mailing address
28017 State Highway 128
Winters, CA 95694-9067
Registry dates
- Enumerated
- 2007-04-24
- Last updated
- 2007-07-08
Frequently asked questions
- What is Roy Marubayashi's NPI number?
- Roy Marubayashi's National Provider Identifier (NPI) is 1558580969, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Roy Marubayashi's specialty?
- Roy Marubayashi is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Roy Marubayashi located?
- Roy Marubayashi's practice location on file with NPPES is 3700 Vaca Valley Pkwy, Vacaville, CA 95688-9430.
- What is Roy Marubayashi's phone number?
- The practice phone number listed in the NPPES registry for Roy Marubayashi is (510) 625-6262.
- Is Roy Marubayashi's NPI active?
- Yes — Roy Marubayashi's NPI (1558580969) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.