Martin Wieler, M.D.
NPI 1689610552 · Diagnostic Radiology Physician · Santa Ana, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Martin Wieler, M.D. is a Diagnostic Radiology Physician provider in Santa Ana, CA (NPI 1689610552).
Provider details
- NPI number
- 1689610552
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G30123 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
459 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Mri Scan of Lower Spinal Canal Without Contrast72148 | 144 | $216 |
| Mri Scan of Brain Without Contrast70551 | 64 | $221 |
| Mri Scan of Upper Spinal Canal Without Contrast72141 | 60 | $202 |
| Mri Scan of Leg Joint Without Contrast73721 | 56 | $226 |
| Mri Scan of Arm Joint Without Contrast73221 | 52 | $224 |
| Mri Scan of Brain Before and After Contrast70553 | 37 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-21
- Last updated
- 2007-10-12
Frequently asked questions
- What is Martin Wieler's NPI number?
- Martin Wieler's National Provider Identifier (NPI) is 1689610552, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martin Wieler's specialty?
- Martin Wieler is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Martin Wieler located?
- Martin Wieler's practice location on file with NPPES is 1220 Hemlock Way, Santa Ana, CA 92707-3650.
- What is Martin Wieler's phone number?
- The practice phone number listed in the NPPES registry for Martin Wieler is (714) 545-9441.
- Does Martin Wieler accept Medicare?
- Martin Wieler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Martin Wieler's NPI active?
- Yes — Martin Wieler's NPI (1689610552) is active in the NPPES registry as of the last update on 2007-10-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.