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

Mark Joseph Del Rosario, MD

Individual provider Internal Medicine Physician · NPI 1205273927

Mark Joseph Del Rosario, MD is a Hospitalist in Littleton, Colorado. Graduated from University of Colorado School of Medicine, Denver in 2013, 13 years ago. Practices with Portercare Adventist Health System, a 767-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Arizona and Colorado.

Years since qualifying
13
Trained at
University of Colorado School of Medicine, Denver
Licensed in
AZ, CO
In the registry since
2013
Specialties on file
2
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

7700 S Broadway
Littleton, CO 80122-2602
Phone: (303) 730-8900
Fax: (303) 730-7755
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1111 E McDowell Rd, Phoenix, AZ 85006-2612 — (602) 839-2296

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence DR.0057375 (CO)
Internal Medicine Physician Taxonomy 207R00000X · Licence R74098 (AZ)

Record details

NPI number1205273927
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 4, 2013
Last updated in NPPESNovember 30, 2020
Certification dateNovember 30, 2020

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF COLORADO SCHOOL OF MEDICINE, DENVER
Graduated 2013 (13 years in practice)
Group practice Portercare Adventist Health System — 767 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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