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

Hugh E Hallmark, MD

Individual provider Hospitalist Physician · NPI 1154317006

Hugh E Hallmark, MD is an Internal Medicine in Castle Rock, Colorado. Graduated from University of Texas Southwestern Medical School at Dallas in 1983, 43 years ago. Practices with Portercare Adventist Health System, a 767-clinician group and accepts Medicare assignment. Licensed in Colorado.

Years since qualifying
43
Trained at
University of Texas Southwestern Medical School at Dallas
Licensed in
CO
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

2350 Meadows Blvd
Castle Rock, CO 80109-8405
Phone: (720) 455-3879
Fax: (720) 455-0665
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 26501 (CO)

Record details

NPI number1154317006
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 26, 2005
Last updated in NPPESJuly 15, 2014
Mailing address2350 Meadows Blvd, Castle Rock, CO 80109-8405

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesHOSPITALIST
Medical schoolUNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL SCHOOL AT DALLAS
Graduated 1983 (43 years in practice)
Group practice Portercare Adventist Health System — 767 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Castle Rock