Douglas Eaton, MD
NPI 1326023359 · Internal Medicine Physician · Riverside, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Douglas Eaton, MD is a Internal Medicine Physician provider in Riverside, CA (NPI 1326023359).
Provider details
- NPI number
- 1326023359
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G66251 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2005-12-13
- Last updated
- 2011-12-02
Frequently asked questions
- What is Douglas Eaton's NPI number?
- Douglas Eaton's National Provider Identifier (NPI) is 1326023359, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Douglas Eaton's specialty?
- Douglas Eaton is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Douglas Eaton located?
- Douglas Eaton's practice location on file with NPPES is 6405 Day St, Riverside, CA 92507-0901.
- What is Douglas Eaton's phone number?
- The practice phone number listed in the NPPES registry for Douglas Eaton is (951) 697-5405.
- Does Douglas Eaton accept Medicare?
- Douglas Eaton is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Douglas Eaton's NPI active?
- Yes — Douglas Eaton's NPI (1326023359) is active in the NPPES registry as of the last update on 2011-12-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.