Quick answers
- Which hospitals does Alexander Benson work at?
- Medicare's official clinician data lists Alexander Benson at 4 hospitals: AdventHealth Castle Rock, AdventHealth Littleton, AdventHealth Parker and Centura Health-St Anthony Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Alexander Benson see patients?
- Medicare's clinician data lists 1 practice location in Lakewood, CO. Call before your visit to confirm the address.
- What is Alexander Benson's specialty?
- Medicare lists Pulmonary Disease as the primary specialty, and also Critical Care (Intensivists) and Internal Medicine.
- Does Alexander Benson accept Medicare assignment?
- Yes. Medicare's clinician data says Alexander Benson 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 Alexander Benson?
- (303) 951-0600, as listed in official Medicare / NPI Registry data.
- What is Alexander Benson's NPI number?
- 1700895844. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Alexander Benson works
Medicare's Facility Affiliation Data lists Alexander Benson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- AdventHealth Castle RockCastle Rock, CO · Acute Care Hospital · CCN 060125
- AdventHealth LittletonLittleton, CO · Acute Care Hospital · CCN 060113
- AdventHealth ParkerParker, CO · Acute Care Hospital · CCN 060114
- Centura Health-St Anthony HospitalLakewood, CO · Acute Care Hospital · CCN 060015
Practice locations
Addresses where Alexander Benson is enrolled with Medicare (CMS data updated 2026-10-02).
- 274 Union Blvd, Suite 200Lakewood, CO 80228 (303) 951‑0600
Group practices
Medicare enrollment lists Alexander Benson as a member of this group (CMS data updated 2026-10-02).
- Critical Care Pulmonary and Sleep Associates Professional LLP63 clinicians in the group
Specialties
Other pulmonologists in Lakewood
Clinicians with the same Medicare primary specialty in Lakewood, CO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Oregon Health Sciences University School Of Medicine |
| Graduation year | 2004 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1700895844 |
| 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