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

Dr. Mark F Berntsen, MD

Individual provider Internal Medicine Physician · NPI 1730166687

Dr. Mark F Berntsen, MD is an Internal Medicine in Greeley, Colorado. Graduated from University of Kansas School of Med (KC/WICH/SAL) in 1993, 33 years ago. Practices with Select Physical Therapy of West Denver Limited Partnership, a 525-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Colorado.

Years since qualifying
33
Trained at
University of Kansas School of Med (KC/WICH/SAL)
Licensed in
CO
In the registry since
2005
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

1900 16th St
Greeley, CO 80631-5114
Phone: (970) 350-2438
Fax: (970) 350-2473
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 35897 (CO)

Record details

NPI number1730166687
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 30, 2005
Last updated in NPPESJuly 1, 2013

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF KANSAS SCHOOL OF MED (KC/WICH/SAL)
Graduated 1993 (33 years in practice)
Group practice Select Physical Therapy Of West Denver Limited Partnership — 525 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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