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

Mrs. Karla Sue Wallen, NP-C

Individual provider Family Nurse Practitioner · NPI 1598420739

Mrs. Karla Sue Wallen, NP-C is a Nurse Practitioner in Longmont, Colorado. Qualified in 2021, 5 years ago. Practices with Catholic Health Initiatives Colorado, a 1,266-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Colorado.

Years since qualifying
5
Licensed in
CO
In the registry since
2021
What do these letters mean?
NP-C — Nurse Practitioner, Certified
A nurse practitioner certified by the AANP.

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Practice location Address checks out

2101 Ken Pratt Blvd Ste 200
Longmont, CO 80501-6568
Phone: (303) 649-3500
Fax: (303) 649-3501
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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 APN.0997083-NP (CO)

Record details

NPI number1598420739
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP-C
Sole proprietorNo
NPI enumeratedNovember 2, 2021
Last updated in NPPESDecember 15, 2021
Certification dateDecember 15, 2021

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2021 (5 years in practice)
Group practice Catholic Health Initiatives Colorado — 1266 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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