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

Mark Gaynor, MD

Individual provider Internal Medicine Physician · NPI 1619312808

Mark Gaynor, MD is a Hospitalist in Colorado Springs, Colorado. Qualified in 2013, 13 years ago. Practices with Catholic Health Initiatives Colorado, a 1,266-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Colorado.

Years since qualifying
13
Licensed in
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

10860 New Allegiance Dr
Colorado Springs, CO 80921-3794
Phone: (719) 776-8040
Fax: (719) 776-8050
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 100 Health Park Dr, Louisville, CO 80027-9583 — (303) 673-1000

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence DR.0057897 (CO)
Internal Medicine Physician Taxonomy 207R00000X · Licence DR.0057897 (CO)

Record details

NPI number1619312808
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 1, 2013
Last updated in NPPESJanuary 29, 2024
Certification dateJanuary 29, 2024

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2013 (13 years in practice)
Group practice Catholic Health Initiatives Colorado — 1266 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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