Quick answers
- Which hospitals does Christiaan Rees work at?
- Medicare's official clinician data lists Christiaan Rees at 5 hospitals: AdventHealth Littleton, AdventHealth Porter, Centura Health-St Anthony Hospital, The Medical Center of Aurora & South Hospital and University of Colorado Hospital Authority. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Christiaan Rees see patients?
- Medicare's clinician data lists 2 practice locations, including Lakewood, CO and Greenwood Village, CO. Call before your visit to confirm the address.
- What is Christiaan Rees's specialty?
- Medicare lists Critical Care (Intensivists) as the primary specialty.
- Does Christiaan Rees accept Medicare assignment?
- Yes. Medicare's clinician data says Christiaan Rees 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.
- Does Christiaan Rees offer telehealth?
- Medicare's clinician data says Christiaan Rees offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Christiaan Rees?
- (303) 951-0600, as listed in official Medicare / NPI Registry data.
- What is Christiaan Rees's NPI number?
- 1831726405. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Christiaan Rees works
Medicare's Facility Affiliation Data lists Christiaan Rees at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- AdventHealth LittletonLittleton, CO · Acute Care Hospital · CCN 060113
- AdventHealth PorterDenver, CO · Acute Care Hospital · CCN 060064
- Centura Health-St Anthony HospitalLakewood, CO · Acute Care Hospital · CCN 060015
- The Medical Center of Aurora & South HospitalAurora, CO · Acute Care Hospital · CCN 060100
- University of Colorado Hospital AuthorityAurora, CO · Acute Care Hospital · CCN 060024
Practice locations
Addresses where Christiaan Rees is enrolled with Medicare (CMS data updated 2026-10-02).
- 274 Union Blvd, Suite 200Lakewood, CO 80228 (303) 951‑0600
- 7100 E Belleview Ave, Suite G10Greenwood Village, CO 80111 (303) 745‑0000
Group practices
Medicare enrollment lists Christiaan Rees as a member of these groups (CMS data updated 2026-10-02).
- Critical Care and Pulmonary Consultants, P.C.158 clinicians in the group
- Critical Care Pulmonary and Sleep Associates Professional LLP63 clinicians in the group
Specialties
- Critical Care (Intensivists)primary
Find other Critical Care (Intensivists) doctors in Colorado →
Other critical care doctors in Lakewood
Clinicians with the same Medicare primary specialty in Lakewood, CO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2018 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1831726405 |
| 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