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

Mary Dahlen, APRN

Individual provider Nurse Practitioner · NPI 1235358003

Mary Dahlen, APRN is a Nurse Practitioner in Lake Charles, Louisiana. Qualified in 1996, 30 years ago. Practices with Calcasieu Urgent Care LLC, a 135-clinician group and accepts Medicare assignment. Licensed in Louisiana.

Years since qualifying
30
Licensed in
LA
In the registry since
2007
What do these letters mean?
APRN — Advanced Practice Registered Nurse
The umbrella licence covering nurse practitioners, midwives, anaesthetists and clinical nurse specialists.

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Practice location Address checks out

1000 Walters St
Lake Charles, LA 70607-4647
Phone: (337) 475-8100
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 081161 (LA)

Record details

NPI number1235358003
Entity typeIndividual (Type 1)
GenderFemale
Credentials APRN
Sole proprietorNo
NPI enumeratedApril 24, 2007
Last updated in NPPESDecember 27, 2016

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 1996 (30 years in practice)
Group practice Calcasieu Urgent Care Llc — 135 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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