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

Dr. Charles Zachary Marriott, MD

Individual provider Surgery Physician · NPI 1871122135

Dr. Charles Zachary Marriott, MD is a General Surgery in Greeley, Colorado. Graduated from George Washington University School of Medicine in 2020, 6 years ago. Practices with Banner Health Physicians Colorado LLC, a 277-clinician group and accepts Medicare assignment. Licensed in Colorado and Texas.

Years since qualifying
6
Trained at
George Washington University School of Medicine
Licensed in
CO, TX
In the registry since
2020
Specialties on file
3
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

1800 15th St Ste 200
Greeley, CO 80631-4563
Phone: (970) 810-8216
Fax: (970) 810-5297
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence DR.0075462 (CO)
Surgery Physician Taxonomy 208600000X · Licence V6355 (TX)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X (TX)

Record details

NPI number1871122135
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 7, 2020
Last updated in NPPESAugust 28, 2025
Certification dateAugust 28, 2025

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Medical schoolGEORGE WASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 2020 (6 years in practice)
Group practice Banner Health Physicians Colorado Llc — 277 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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