Quick answers
- Which hospitals does David Zenk work at?
- Medicare's official clinician data lists David Zenk at 4 hospitals: Barnes-Jewish West County Hospital, Mercy Hospital Jefferson, Mercy Hospital South and Mercy Hospital St Louis. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does David Zenk see patients?
- Medicare's clinician data lists 1 practice location in Des Peres, MO. Call before your visit to confirm the address.
- What is David Zenk's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Hospitalist.
- Does David Zenk accept Medicare assignment?
- Yes. Medicare's clinician data says David Zenk 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 David Zenk offer telehealth?
- Medicare's clinician data says David Zenk offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for David Zenk?
- (314) 821-1313, as listed in official Medicare / NPI Registry data.
- What is David Zenk's NPI number?
- 1194164509. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where David Zenk works
Medicare's Facility Affiliation Data lists David Zenk 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 JeffersonCrystal City, MO · Acute Care Hospital · CCN 260023
- Mercy Hospital SouthSaint Louis, MO · Acute Care Hospital · CCN 260077
- Mercy Hospital St LouisSaint Louis, MO · Acute Care Hospital · CCN 260020
Practice locations
Addresses where David Zenk is enrolled with Medicare (CMS data updated 2026-10-02).
- 1000 Des Peres Rd, Suite 310Des Peres, MO 63131 (314) 821‑1313
Group practices
Medicare enrollment lists David Zenk as a member of this group (CMS data updated 2026-10-02).
- Mercy Clinic East Communities571 clinicians in the group
Specialties
- Internal Medicineprimary
- Hospitalistalso
Other internal medicine doctors in Des Peres
Clinicians with the same Medicare primary specialty in Des Peres, MO — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | At Still University Of Health Sciences, College Of Osteo Med, Kirksville |
| Graduation year | 2013 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1194164509 |
| 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