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

Mark W Ptaskiewicz, MD

Individual provider Internal Medicine Physician · NPI 1043347099

Mark W Ptaskiewicz, MD is an Internal Medicine in Westminster, Colorado. Graduated from Jefferson Medical College of Thomas Jefferson University in 1991, 35 years ago. Licensed in Colorado.

Years since qualifying
35
Trained at
Jefferson Medical College of Thomas Jefferson University
Licensed in
CO
In the registry since
2007
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

7701 Sheridan Blvd
Westminster, CO 80003-2605
Phone: (303) 338-4545
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 36000 (CO)

Record details

NPI number1043347099
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 27, 2007
Last updated in NPPESApril 2, 2021
Certification dateApril 2, 2021
Mailing address10350 E Dakota Ave, Denver, CO 80247-1314

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolJEFFERSON MEDICAL COLLEGE OF THOMAS JEFFERSON UNIVERSITY
Graduated 1991 (35 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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