Quick answers
- Which hospitals does Charles E. Allen Jr. work at?
- Medicare's official clinician data lists Charles E. Allen Jr. at 1 hospital: Waukesha Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Charles E. Allen Jr. see patients?
- Medicare's clinician data lists 1 practice location in Oconomowoc, WI. Call before your visit to confirm the address.
- What is Charles E. Allen Jr.'s specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Charles E. Allen Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says Charles E. Allen Jr. 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. Allen Jr.?
- (262) 928-8400, as listed in official Medicare / NPI Registry data.
- What is Charles E. Allen Jr.'s NPI number?
- 1871804336. 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. Allen Jr. works
Medicare's Facility Affiliation Data lists Charles E. Allen Jr. at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Waukesha Memorial HospitalWaukesha, WI · Acute Care Hospital · CCN 520008
Practice locations
Addresses where Charles E. Allen Jr. is enrolled with Medicare (CMS data updated 2026-10-02).
- 1185 Corporate Ctr Dr, Suite 175Oconomowoc, WI 53066 (262) 928‑8400
Group practices
Medicare enrollment lists Charles E. Allen Jr. as a member of this group (CMS data updated 2026-10-02).
- Prohealth Medical Group Inc479 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Oconomowoc
Clinicians with the same Medicare primary specialty in Oconomowoc, WI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Louisville School Of Medicine |
| Graduation year | 2009 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1871804336 |
| 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