Mark Auler, M.D.
NPI 1649353509 · Neuroradiology Physician · Austin, TX
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Auler, M.D. is a Neuroradiology Physician provider in Austin, TX (NPI 1649353509).
Provider details
- NPI number
- 1649353509
- Entity type
- Individual
- Primary specialty
- Neuroradiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 37396 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
3,663 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) |
|---|---|---|
| Ct Scan Head Or Brain Without Contrast70450 | 1,339 | $38 |
| Ct Scan of Upper Spine Without Contrast72125 | 523 | $45 |
| Ct Scan of Blood Vessels of Neck With Contrast70498 | 257 | $76 |
| Ct Scan of Blood Vessels of Head With Contrast70496 | 254 | $78 |
| X-Ray of Chest, 1 View71045 | 201 | $8 |
| Mri Scan of Brain Without Contrast70551 | 162 | $68 |
| Ct Scan of Lower Spine Without Contrast |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-23
- Last updated
- 2015-01-12
Frequently asked questions
- What is Mark Auler's NPI number?
- Mark Auler's National Provider Identifier (NPI) is 1649353509, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Auler's specialty?
- Mark Auler is listed in the NPPES registry with a primary specialty of Neuroradiology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Auler located?
- Mark Auler's practice location on file with NPPES is 12554 Riata Vista Cir, Austin, TX 78727-6431.
- What is Mark Auler's phone number?
- The practice phone number listed in the NPPES registry for Mark Auler is (512) 795-5100.
- Does Mark Auler accept Medicare?
- Mark Auler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Auler's NPI active?
- Yes — Mark Auler's NPI (1649353509) is active in the NPPES registry as of the last update on 2015-01-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.