John Disiere, M.D.
NPI 1104898675 · Surgery Physician · Eureka, CA
Enrolled with Medicare as Order and Referring Only - Preventive Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Disiere, M.D. is a Surgery Physician provider in Eureka, CA (NPI 1104898675).
Provider details
- NPI number
- 1104898675
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- C42437 (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
- 2006-02-07
- Last updated
- 2021-06-29
- Certified
- 2021-06-29
Frequently asked questions
- What is John Disiere's NPI number?
- John Disiere's National Provider Identifier (NPI) is 1104898675, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Disiere's specialty?
- John Disiere is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is John Disiere located?
- John Disiere's practice location on file with NPPES is 3116 Harrison Ave, Eureka, CA 95503-5638.
- What is John Disiere's phone number?
- The practice phone number listed in the NPPES registry for John Disiere is (707) 444-3885.
- Does John Disiere accept Medicare?
- John Disiere is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Disiere's NPI active?
- Yes — John Disiere's NPI (1104898675) is active in the NPPES registry as of the last update on 2021-06-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.