Ervin P. Ruzics, M.D., Inc.
NPI 1366726135 · Specialist · Orange, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ervin P. Ruzics, M.D., Inc. is a Specialist organization in Orange, CA (NPI 1366726135).
Provider details
- NPI number
- 1366726135
- Entity type
- Organization
- Primary specialty
- SpecialistOther Service Providers
- Organization subpart
- No
- Authorized official
- Ervin Ruzics, President(714) 771-8033
- License
- G51676 (CA)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
- 2011-09-28
- Last updated
- 2011-09-28
Frequently asked questions
- What is Ervin P. Ruzics, M.D., Inc.'s NPI number?
- Ervin P. Ruzics, M.D., Inc.'s National Provider Identifier (NPI) is 1366726135, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Ervin P. Ruzics, M.D., Inc.?
- Ervin P. Ruzics, M.D., Inc. is classified in the NPPES registry as Specialist (Other Service Providers).
- Where is Ervin P. Ruzics, M.D., Inc. located?
- Ervin P. Ruzics, M.D., Inc.'s practice location on file with NPPES is 1100 W Stewart Dr, Orange, CA 92868-3849.
- What is Ervin P. Ruzics, M.D., Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Ervin P. Ruzics, M.D., Inc. is (714) 771-8033.
- Does Ervin P. Ruzics, M.D., Inc. accept Medicare?
- Ervin P. Ruzics, M.D., Inc. is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Ervin P. Ruzics, M.D., Inc.?
- The authorized official listed on Ervin P. Ruzics, M.D., Inc.'s NPPES record is Ervin Ruzics, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Ervin P. Ruzics, M.D., Inc.'s NPI active?
- Yes — Ervin P. Ruzics, M.D., Inc.'s NPI (1366726135) is active in the NPPES registry as of the last update on 2011-09-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.