Quick answers
- Which hospitals does Charles E. Johnson work at?
- Medicare's official clinician data lists Charles E. Johnson at 5 hospitals: Ascension Seton Medical Center Austin, North Austin Medical Center, Round Rock Medical Center, St David's Medical Center and St David's South Austin Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Charles E. Johnson see patients?
- Medicare's clinician data lists 3 practice locations, including Georgetown, TX, Austin, TX and Burnet, TX. Call before your visit to confirm the address.
- What is Charles E. Johnson's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Charles E. Johnson accept Medicare assignment?
- Yes. Medicare's clinician data says Charles E. Johnson accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Charles E. Johnson?
- (713) 461-3573, as listed in official Medicare / NPI Registry data.
- What is Charles E. Johnson's NPI number?
- 1932194263. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Charles E. Johnson works
Medicare's Facility Affiliation Data lists Charles E. Johnson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ascension Seton Medical Center AustinAustin, TX · Acute Care Hospital · CCN 450056
- North Austin Medical CenterAustin, TX · Acute Care Hospital · CCN 450809
- Round Rock Medical CenterRound Rock, TX · Acute Care Hospital · CCN 450718
- St David's Medical CenterAustin, TX · Acute Care Hospital · CCN 450431
- St David's South Austin Medical CenterAustin, TX · Acute Care Hospital · CCN 450713
Practice locations
Addresses where Charles E. Johnson is enrolled with Medicare (CMS data updated 2026-10-02).
- 2000 Scenic DrGeorgetown, TX 78626 (713) 461‑3573
- 4515 Seton Ctr Pkwy, Suite 105Austin, TX 78759 (512) 519‑3402
- Highway 281Burnet, TX 78611 (713) 461‑3573
Group practices
Medicare enrollment lists Charles E. Johnson as a member of these groups (CMS data updated 2026-10-02).
- Singleton Associates PA838 clinicians in the group
- Austin Radiological Association127 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Georgetown
Clinicians with the same Medicare primary specialty in Georgetown, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Tulane University School Of Medicine |
| Graduation year | 1994 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1932194263 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians