Quick answers
- Which hospitals does Geoffrey E. Johnson work at?
- Medicare's official clinician data lists Geoffrey E. Johnson at 1 hospital: Boulder Community Health. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Geoffrey E. Johnson see patients?
- Medicare's clinician data lists 2 practice locations, including Lafayette, CO and Greenwood Village, CO. Call before your visit to confirm the address.
- What is Geoffrey E. Johnson's specialty?
- Medicare lists Radiation Oncology as the primary specialty.
- Does Geoffrey E. Johnson accept Medicare assignment?
- Yes. Medicare's clinician data says Geoffrey E. Johnson 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 Geoffrey E. Johnson?
- (303) 695-6106, as listed in official Medicare / NPI Registry data.
- What is Geoffrey E. Johnson's NPI number?
- 1093985251. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Geoffrey E. Johnson works
Medicare's Facility Affiliation Data lists Geoffrey E. Johnson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Boulder Community HealthBoulder, CO · Acute Care Hospital · CCN 060027
Practice locations
Addresses where Geoffrey E. Johnson is enrolled with Medicare (CMS data updated 2026-10-02).
- 120 Old Laramie TrlLafayette, CO 80026 (303) 695‑6106
- 5275 Dtc PkwyGreenwood Village, CO 80111 (303) 695‑6106
Group practices
Medicare enrollment lists Geoffrey E. Johnson as a member of this group (CMS data updated 2026-10-02).
- Advanced Urology PLLC59 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in Lafayette
Clinicians with the same Medicare primary specialty in Lafayette, CO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Loyola University Of Chicago, Stritch School Of Medicine |
| Graduation year | 2003 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1093985251 |
| 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