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

Mary Cecilia Nguyen, DO

Individual provider Internal Medicine Physician · NPI 1942644695

Mary Cecilia Nguyen, DO is a Hospitalist in Lakewood, Colorado. Graduated from University of North Texas Hsc, College of Osteopathic Med in 2013, 13 years ago. Practices with Catholic Health Initiatives Colorado, a 1,266-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Colorado and Texas.

Years since qualifying
13
Trained at
University of North Texas Hsc, College of Osteopathic Med
Licensed in
CO, TX
In the registry since
2013
Specialties on file
4
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

11600 W 2nd Pl
Lakewood, CO 80228-1527
Phone: (720) 321-0000
Fax: (720) 321-1759
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 501 E Hampden Ave, Englewood, CO 80113-2702 — (303) 788-5000
  • 3526 London Ln, Missouri City, TX 77459-3371 — (800) 893-9698

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence DR.0056604 (CO)
Internal Medicine Physician Taxonomy 207R00000X · Licence Q8112 (TX)
Internal Medicine Physician Taxonomy 207R00000X · Licence DR.0056604 (CO)
Emergency Medicine Physician Taxonomy 207P00000X · Licence DR.0056604 (CO)

Record details

NPI number1942644695
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorYes
NPI enumeratedApril 24, 2013
Last updated in NPPESSeptember 10, 2025
Certification dateSeptember 10, 2025

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Also practisesEMERGENCY MEDICINE, INTERNAL MEDICINE
Medical schoolUNIVERSITY OF NORTH TEXAS HSC, COLLEGE OF OSTEOPATHIC MED
Graduated 2013 (13 years in practice)
Group practice Catholic Health Initiatives Colorado — 1266 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations7 on file with Medicare

Other providers in Lakewood