Quick answers
- Which hospitals does Derek G. Berg work at?
- Medicare's official clinician data lists Derek G. Berg at 2 hospitals: AdventHealth Avista and AdventHealth Littleton. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Derek G. Berg see patients?
- Medicare's clinician data lists 2 practice locations, including Golden, CO and Denver, CO. Call before your visit to confirm the address.
- What is Derek G. Berg's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Derek G. Berg accept Medicare assignment?
- Yes. Medicare's clinician data says Derek G. Berg 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 Derek G. Berg?
- (702) 480-2550, as listed in official Medicare / NPI Registry data.
- What is Derek G. Berg's NPI number?
- 1194896969. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Derek G. Berg works
Medicare's Facility Affiliation Data lists Derek G. Berg at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- AdventHealth AvistaLouisville, CO · Acute Care Hospital · CCN 060103
- AdventHealth LittletonLittleton, CO · Acute Care Hospital · CCN 060113
Practice locations
Addresses where Derek G. Berg is enrolled with Medicare (CMS data updated 2026-10-02).
- 1707 Cole Blvd, Suite 100Golden, CO 80401 (702) 480‑2550
- 2525 S Downing St, Hspc Hospitalists PahDenver, CO 80210 (303) 715‑7184
Group practices
Medicare enrollment lists Derek G. Berg as a member of these groups (CMS data updated 2026-10-02).
- Portercare Adventist Health System774 clinicians in the group
- Optumcare Colorado Medical Group LLC182 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Golden
Clinicians with the same Medicare primary specialty in Golden, CO — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | At Still University Of Health Sciences, College Of Osteo Med, Kirksville |
| Graduation year | 2000 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1194896969 |
| 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