Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Christiaan Anderson Rees, MD, PHD

Individual provider Pulmonary Disease Physician · NPI 1831726405

Dr. Christiaan Anderson Rees, MD, PHD is a Critical Care (Intensivists) in Aurora, Colorado. Graduated from Geisel School of Medicine at Dartmouth in 2020, 6 years ago. Practices with Critical Care Pulmonary and Sleep Associates Professional LLP, a 60-clinician group, works from 6 locations, accepts Medicare assignment and offers telehealth. Licensed in Colorado.

Years since qualifying
6
Trained at
Geisel School of Medicine at Dartmouth
Licensed in
CO
In the registry since
2020
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

13001 E 17th Pl
Aurora, CO 80045-2570
Phone: (603) 276-8704
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (5)

  • 1700 Wheeling St, Aurora, CO 80045-7211 — (603) 276-8704
  • 777 Bannock St, Denver, CO 80204-4597 — (603) 276-8704
  • 1400 Jackson St, Denver, CO 80206-2762 — (603) 276-8704
  • 1375 E 19th Ave, Denver, CO 80218-1114 — (603) 276-8704
  • 11600 W 2nd Pl, Lakewood, CO 80228-1527 — (603) 276-8704

Specialties & licences

Critical Care Medicine (Internal Medicine) Physician (primary) Taxonomy 207RC0200X · Licence DR.0071079 (CO)
Pulmonary Disease Physician Taxonomy 207RP1001X · Licence DR.0071079 (CO)
Internal Medicine Physician Taxonomy 207R00000X · Licence DR.0071079 (CO)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1831726405
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorYes
NPI enumeratedMarch 24, 2020
Last updated in NPPESJuly 9, 2023
Certification dateJuly 9, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCRITICAL CARE (INTENSIVISTS)
Medical schoolGEISEL SCHOOL OF MEDICINE AT DARTMOUTH
Graduated 2020 (6 years in practice)
Group practice Critical Care Pulmonary And Sleep Associates Professional Llp — 60 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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