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

Mary Margaret Krzystowczyk, NP

Individual provider Primary Care Nurse Practitioner · NPI 1912504978

Mary Margaret Krzystowczyk, NP is a Primary Care Nurse Practitioner in Traverse City, Michigan. Practices as a sole proprietor. Licensed in Colorado and Michigan.

Licensed in
CO, MI
In the registry since
2020
Specialties on file
3
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

See every abbreviation used in this directory →

Practice location Address checks out

1105 Sixth St
Traverse City, MI 49684-2300
Phone: (231) 935-5000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Primary Care Nurse Practitioner (primary) Taxonomy 363LP2300X · Licence 4704301134 (MI)
Gerontology Nurse Practitioner Taxonomy 363LG0600X · Licence AG01200132 (CO)
Primary Care Nurse Practitioner Taxonomy 363LP2300X · Licence AG01200132 (CO)

Record details

NPI number1912504978
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorYes
NPI enumeratedOctober 2, 2020
Last updated in NPPESJuly 16, 2026
Certification dateJuly 16, 2026

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