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

Mr. John Carl Nielson, FNP

Individual provider Family Nurse Practitioner · NPI 1205152907

Mr. John Carl Nielson, FNP is a Family Nurse Practitioner in Thornton, Colorado. Licensed in Colorado. Registered with an NPI since 2010.

Licensed in
CO
In the registry since
2010
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

See every abbreviation used in this directory →

Practice location Address checks out

1551 Milky Way
Thornton, CO 80260-4713
Phone: (303) 426-4525
Fax: (303) 428-6381
Show map & directions

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

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 103015 (CO)

Record details

NPI number1205152907
Entity typeIndividual (Type 1)
GenderMale
Credentials FNP
Sole proprietorNo
NPI enumeratedApril 20, 2010
Last updated in NPPESSeptember 17, 2019

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