Quick answers
- Which hospitals does John E. Lambert work at?
- Medicare's official clinician data lists John E. Lambert at 3 hospitals: Columbus Community Hospital, Marshfield Medical Center - Beaver Dam (MMC-BD) and University of WI Hospitals & Clinics Authority. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John E. Lambert see patients?
- Medicare's clinician data lists 3 practice locations, including Fort Atkinson, WI, Beaver Dam, WI and Middleton, WI. Call before your visit to confirm the address.
- What is John E. Lambert's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does John E. Lambert accept Medicare assignment?
- Yes. Medicare's clinician data says John E. Lambert 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 John E. Lambert?
- (920) 563-5544, as listed in official Medicare / NPI Registry data.
- What is John E. Lambert's NPI number?
- 1710121215. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John E. Lambert works
Medicare's Facility Affiliation Data lists John E. Lambert at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Columbus Community HospitalColumbus, WI · Critical Access Hospital · CCN 521338
- Marshfield Medical Center - Beaver Dam (MMC-BD)Beaver Dam, WI · Acute Care Hospital · CCN 520076
- University of WI Hospitals & Clinics AuthorityMadison, WI · Acute Care Hospital · CCN 520098
Practice locations
Addresses where John E. Lambert is enrolled with Medicare (CMS data updated 2026-10-02).
- 601 Handeyside LnFort Atkinson, WI 53538 (920) 563‑5544
- 705 S University Ave, Suite 200Beaver Dam, WI 53916 (920) 887‑9272
- 7974 UW Health CtMiddleton, WI 53562
Group practices
Medicare enrollment lists John E. Lambert as a member of this group (CMS data updated 2026-10-02).
- University of Wisconsin Medical Foundation Inc2,553 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Fort Atkinson
Clinicians with the same Medicare primary specialty in Fort Atkinson, WI — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | West Virginia School Of Osteopathic Medicine |
| Graduation year | 2009 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1710121215 |
| 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