Quick answers
- Which hospitals does Nathaniel Wachter work at?
- Medicare's official clinician data lists Nathaniel Wachter at 5 hospitals: Barnes-Jewish West County Hospital, Mercy Hospital South, Mercy Hospital St Louis, Mercy Hospital Washington and St Lukes Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Nathaniel Wachter see patients?
- Medicare's clinician data lists 2 practice locations, including Chesterfield, MO and Saint Louis, MO. Call before your visit to confirm the address.
- What is Nathaniel Wachter's specialty?
- Medicare lists Neurology as the primary specialty.
- Does Nathaniel Wachter accept Medicare assignment?
- Yes. Medicare's clinician data says Nathaniel Wachter 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.
- Does Nathaniel Wachter offer telehealth?
- Medicare's clinician data says Nathaniel Wachter offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Nathaniel Wachter?
- (636) 893-1260, as listed in official Medicare / NPI Registry data.
- What is Nathaniel Wachter's NPI number?
- 1922492123. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Nathaniel Wachter works
Medicare's Facility Affiliation Data lists Nathaniel Wachter at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Barnes-Jewish West County HospitalCreve Coeur, MO · Acute Care Hospital · CCN 260162
- Mercy Hospital SouthSaint Louis, MO · Acute Care Hospital · CCN 260077
- Mercy Hospital St LouisSaint Louis, MO · Acute Care Hospital · CCN 260020
- Mercy Hospital WashingtonWashington, MO · Acute Care Hospital · CCN 260052
- St Lukes HospitalChesterfield, MO · Acute Care Hospital · CCN 260179
Practice locations
Addresses where Nathaniel Wachter is enrolled with Medicare (CMS data updated 2026-10-02).
- 1176 Town and Country Commons DrChesterfield, MO 63017 (636) 893‑1260
- 621 S New Ballas Rd, 5003bSaint Louis, MO 63141 (314) 227‑2020
Group practices
Medicare enrollment lists Nathaniel Wachter as a member of this group (CMS data updated 2026-10-02).
- Mercy Clinic Neurology, LLC20 clinicians in the group
Specialties
- Neurologyprimary
Other neurologists in Chesterfield
Clinicians with the same Medicare primary specialty in Chesterfield, MO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Southern Illinois University School Of Medicine |
| Graduation year | 2015 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1922492123 |
| 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