Quick answers
- Does Nathanael Herndier accept Medicare assignment?
- Yes. Medicare's clinician data says Nathanael Herndier 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 Herndier's NPI number?
- 1881153740. 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 Herndier works
Medicare's Facility Affiliation Data lists Nathanael Herndier 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.
- Mercy Hospital JeffersonCrystal City, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260023
- Mercy Hospital LincolnTroy, MO · Critical Access Hospital · Emergency services: listed by Medicare · CCN 261319
- Mercy Hospital SouthSaint Louis, MO · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 260077
- Mercy Hospital St LouisSaint Louis, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260020
- Mercy Hospital WashingtonWashington, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260052
Practice locations
Addresses where Nathanael Herndier is enrolled with Medicare (CMS data updated October 2, 2026).
- 901 Patients 1st DrWashington, MO 63090 (636) 231‑6252
Group practices
Medicare enrollment lists Nathanael Herndier as a member of this group (CMS data updated October 2, 2026).
- West County Radiological Group Inc102 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Missouri
Clinicians with the same Medicare primary specialty in Missouri — not a recommendation.
Other clinicians in West County Radiological Group Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Medical school | College Of Osteo Med Of The Pacific At Pomona |
|---|---|
| Graduation year | 2019 (7 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1881153740 |
| 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