Quick answers
- Does Nathanael Johnston accept Medicare assignment?
- Yes. Medicare's clinician data says Nathanael Johnston accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Nathanael Johnston's NPI number?
- 1073263026. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Nathanael Johnston works
Medicare's Facility Affiliation Data lists Nathanael Johnston at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- USA Health University HospitalMobile, AL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 010087
Practice locations
Addresses where Nathanael Johnston is enrolled with Medicare (CMS data updated October 2, 2026).
- 1114 Shelton Beach RdSaraland, AL 36571 (251) 633‑0123
- 2350 Schillinger Rd S, Suite AMobile, AL 36695 (251) 633‑0123
- 2451 University Hospital DrMobile, AL 36617
- 75 S University Blvd, Unit 6000Mobile, AL 36608 (251) 660‑5555
- 7943 Moffett RdSemmes, AL 36575 (251) 633‑0123
Group practices
Medicare enrollment lists Nathanael Johnston as a member of these groups (CMS data updated October 2, 2026).
- USA Health Physician Billing Services LLC339 clinicians in the group
- Greater Mobile Urgent Care53 clinicians in the group
- Gmuc of Saraland39 clinicians in the group
Specialties
- Hospitalistprimary
- Internal Medicinealso
- Pediatric Medicinealso
Other hospitalists in Alabama
Clinicians with the same Medicare primary specialty in Alabama — not a recommendation.
Other clinicians in USA Health Physician Billing Services LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2022 (4 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1073263026 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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