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

Margaret Lydia Carlson Fitzthum, RN, NP-C

Individual provider Registered Nurse · NPI 1598034845

Margaret Lydia Carlson Fitzthum, RN, NP-C is a Nurse Practitioner in Minneapolis, Minnesota. Qualified in 2011, 15 years ago. Practices with Hennepin County, a 132-clinician group and accepts Medicare assignment. Licensed in Minnesota.

Years since qualifying
15
Licensed in
MN
In the registry since
2011
Specialties on file
2
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.
NP-C — Nurse Practitioner, Certified
A nurse practitioner certified by the AANP.

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Practice location Address checks out

701 Park Ave
Minneapolis, MN 55415-1623
Phone: (612) 873-3000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 169610-9 (MN)
Registered Nurse Taxonomy 163W00000X · Licence 169610-9 (MN)

Record details

NPI number1598034845
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN , NP-C
Sole proprietorYes
NPI enumeratedDecember 15, 2011
Last updated in NPPESDecember 26, 2023
Certification dateDecember 26, 2023

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Group practice Hennepin County — 132 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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