IndividualActive
James Day, MD
NPI 1447361183 · Pediatrics Physician · Roseville, CA
James Day, MD is a Pediatrics Physician provider in Roseville, CA (NPI 1447361183).
Provider details
- NPI number
- 1447361183
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- C30100 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 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
3100 Douglas Blvd
Roseville, CA 95661-3866
Phone: (916) 774-8500
Fax: (916) 773-9223
Street-level locationGet directions
Mailing address
Po Box 255228
Sacramento, CA 95865-5228
Registry dates
- Enumerated
- 2006-08-31
- Last updated
- 2007-07-08
Frequently asked questions
- What is James Day's NPI number?
- James Day's National Provider Identifier (NPI) is 1447361183, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Day's specialty?
- James Day is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is James Day located?
- James Day's practice location on file with NPPES is 3100 Douglas Blvd, Roseville, CA 95661-3866.
- What is James Day's phone number?
- The practice phone number listed in the NPPES registry for James Day is (916) 774-8500.
- Is James Day's NPI active?
- Yes — James Day's NPI (1447361183) 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.