Michael Aterno
NPI 1407276173 · Internal Medicine Physician · Austin, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Aterno is a Internal Medicine Physician provider in Austin, TX (NPI 1407276173).
Provider details
- NPI number
- 1407276173
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- BP10050671 (TX)
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
12 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
603 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 259 | $115 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 110 | $112 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 88 | $167 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 64 | $77 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 29 | $79 |
| Critical Care, First 30-74 Minutes99291 | 29 | $206 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 34 | 33 |
| Pantoprazole Sodium | 28 | 25 |
| Prednisone | 20 | 20 |
| Azithromycin | 20 | 19 |
| Cephalexin | 20 | 20 |
| Oxycodone Hcl | 19 | 19 |
| Ondansetronbrand: Ondansetron Odt | 16 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-04-22
- Last updated
- 2019-01-08
Frequently asked questions
- What is Michael Aterno's NPI number?
- Michael Aterno's National Provider Identifier (NPI) is 1407276173, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Aterno's specialty?
- Michael Aterno is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Aterno located?
- Michael Aterno's practice location on file with NPPES is 7000 N Mopac Expy, Austin, TX 78731.
- What is Michael Aterno's phone number?
- The practice phone number listed in the NPPES registry for Michael Aterno is (512) 482-0045.
- Does Michael Aterno accept Medicare?
- Michael Aterno is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Aterno's NPI active?
- Yes — Michael Aterno's NPI (1407276173) is active in the NPPES registry as of the last update on 2019-01-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.