Wieler & Sein Medical Group
NPI 1457448789 · Diagnostic Radiology Physician · Santa Ana, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Wieler & Sein Medical Group is a Diagnostic Radiology Physician organization in Santa Ana, CA (NPI 1457448789).
Provider details
- NPI number
- 1457448789
- Entity type
- Organization
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Patrick Sein, Administrator(714) 545-9441
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
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
Mailing address
Registry dates
- Enumerated
- 2006-10-06
- Last updated
- 2015-08-03
Frequently asked questions
- What is Wieler & Sein Medical Group's NPI number?
- Wieler & Sein Medical Group's National Provider Identifier (NPI) is 1457448789, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Wieler & Sein Medical Group?
- Wieler & Sein Medical Group is classified in the NPPES registry as Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Wieler & Sein Medical Group located?
- Wieler & Sein Medical Group's practice location on file with NPPES is 1220 Hemlock Way, Santa Ana, CA 92707-3650.
- What is Wieler & Sein Medical Group's phone number?
- The practice phone number listed in the NPPES registry for Wieler & Sein Medical Group is (888) 407-3975.
- Does Wieler & Sein Medical Group accept Medicare?
- Wieler & Sein Medical Group 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 Wieler & Sein Medical Group?
- The authorized official listed on Wieler & Sein Medical Group's NPPES record is Patrick Sein, Administrator. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Wieler & Sein Medical Group's NPI active?
- Yes — Wieler & Sein Medical Group's NPI (1457448789) is active in the NPPES registry as of the last update on 2015-08-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.