MICHAEL JOSEPH ATERNO
NPI 1407276173
Internal Medicine in Austin, TX
About Michael Joseph Aterno NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL JOSEPH ATERNO (NPI 1407276173) is an individual internal medicine provider in Austin, Texas, licensed in Texas (BP10050671) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS, is affiliated with Ascension Seton Medical Center Austin, and is a graduate of Texas Tech University Health Science Center School Of Medicine (2014).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Michael Joseph Aterno is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
6Medicare enrollment records show Michael Aterno reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Cedar Park, TX 78613
- Reassigned Medicare billing, Texas enrollment
- 828 clinicians in this Medicare group
San Antonio, TX 78229
- Reassigned Medicare billing, Texas enrollment
- 681 clinicians in this Medicare group
San Antonio, TX 78205
- Reassigned Medicare billing, Texas enrollment
- 478 clinicians in this Medicare group
Humble, TX 77338
- Reassigned Medicare billing, Texas enrollment
- 2,009 clinicians in this Medicare group
Mansfield, TX 76063
- Reassigned Medicare billing, Texas enrollment
- 994 clinicians in this Medicare group
Dallas, TX 75231
- Reassigned Medicare billing, Texas enrollment
- 1,208 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 8
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ascension Seton Medical Center Austin
Acute Care Hospitals · Austin, TXDell Seton Med Center At The University Of Tx
Acute Care Hospitals · Austin, TXHill Country Memorial Hospital
Acute Care Hospitals · Fredericksburg, TXAscension Seton Northwest
Acute Care Hospitals · Austin, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78731 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Michael Aterno's NPI number?
The NPI number for Michael Aterno is 1407276173. It was assigned to this individual provider in the NPPES registry on April 22, 2014.
Where is Michael Aterno located?
Michael Aterno practices at 7000 N Mopac Expy Ste # 420, Austin, TX 78731. The listed phone number is (512) 482-0045.
What is Michael Aterno's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Michael Aterno enrolled in Medicare?
Yes. Michael Aterno is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Michael Aterno's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Aterno reassigns Medicare benefits to 6 organizations: Usacs Integrated Acute Care Services Of Texas, PLLC (Cedar Park, TX), Hospital Medicine Services Of Tx, PLLC (San Antonio, TX), Sound Inpatient Physicians Of Texas I, Inc (San Antonio, TX), Hospitalist Medicine Physicians Of Texas, PLLC (Humble, TX), Lonestar Hospital Medicine Associates, PA (Mansfield, TX) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Michael Aterno's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michael Aterno accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 5 other insurers list Michael Aterno as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Michael Aterno affiliated with any hospitals?
According to CMS data, Michael Aterno is affiliated with Ascension Seton Medical Center Austin, Dell Seton Med Center At The University Of Tx, Hill Country Memorial Hospital and Ascension Seton Northwest.
When was this NPI record last updated?
The NPPES record for Michael Aterno was last updated on January 8, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Michael Joseph Aterno · NPI 1407276173
Internal Medicine physician in Austin, Texas. Individual provider, active in the CMS NPPES registry since April 22, 2014.
## Identity
- **NPI:** 1407276173 (Entity type: Individual)
- **Enumerated:** April 22, 2014
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** BP10050671 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 7000 N MOPAC EXPY, STE # 420, Austin, TX 78731
- **Phone:** (512) 482-0045
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Usacs Integrated Acute Care Services Of Texas, PLLC (NPI 1801300322, Cedar Park, TX); Hospital Medicine Services Of Tx, PLLC (NPI 1881392363, San Antonio, TX); Sound Inpatient Physicians Of Texas I, Inc (NPI 1811321797, San Antonio, TX); Hospitalist Medicine Physicians Of Texas, PLLC (NPI 1629307095, Humble, TX); Lonestar Hospital Medicine Associates, PA (NPI 1518237429, Mansfield, TX); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Texas Tech University Health Science Center School Of Medicine, class of 2014
## Record status
- **NPPES last updated:** January 8, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1407276173) · Data from the CMS NPPES public registry.