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

Mr. Mark L Wiesner, DO

Individual provider Pediatrics Physician · NPI 1154304939

Mr. Mark L Wiesner, DO is a Pediatrics Physician in Estes Park, Colorado. Licensed in Colorado. Registered with an NPI since 2005.

Licensed in
CO
In the registry since
2005
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

122 Stanley Circle Dr
Estes Park, CO 80517-6302
Phone: (970) 685-1148
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence 31069 (CO)

Record details

NPI number1154304939
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedNovember 25, 2005
Last updated in NPPESJune 2, 2026
Certification dateJune 2, 2026
Mailing address122 Stanley Circle Dr, Estes Park, CO 80517-6302

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