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

Dr. Thomas G. Greidanus, MD

Individual provider Emergency Medicine Physician · NPI 1881677961

Dr. Thomas G. Greidanus, MD is an Emergency Medicine in Pueblo, Colorado. Graduated from Jefferson Medical College of Thomas Jefferson University in 1997, 29 years ago. Practices with Huerfano County Hospital District, a 27-clinician group and accepts Medicare assignment. Licensed in Colorado.

Years since qualifying
29
Trained at
Jefferson Medical College of Thomas Jefferson University
Licensed in
CO
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

400 W 16th St
Pueblo, CO 81003-2745
Phone: (719) 584-4595
Fax: (719) 584-4861
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 42515 (CO)

Record details

NPI number1881677961
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 22, 2005
Last updated in NPPESAugust 14, 2007

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolJEFFERSON MEDICAL COLLEGE OF THOMAS JEFFERSON UNIVERSITY
Graduated 1997 (29 years in practice)
Group practice Huerfano County Hospital District — 27 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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