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

Catherine A Mascarenas, MS, FNP-C

Individual provider Nurse Practitioner · NPI 1043347065

Catherine A Mascarenas, MS, FNP-C is a Nurse Practitioner in Littleton, Colorado. Qualified in 2002, 24 years ago. Practices with Physician Housecalls LLC, a 125-clinician group and accepts Medicare assignment. Licensed in Colorado.

Years since qualifying
24
Licensed in
CO
In the registry since
2007
What do these letters mean?
MS — Master of Science
A graduate science degree.
FNP-C — Family Nurse Practitioner, Certified
A family nurse practitioner certified by the AANP.

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Practice location Address checks out

7175 W Fremont Pl
Littleton, CO 80128-4748
Phone: (303) 518-1030
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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 118557 (CO)

Record details

NPI number1043347065
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , FNP-C
Sole proprietorNo
NPI enumeratedFebruary 27, 2007
Last updated in NPPESSeptember 9, 2025
Certification dateSeptember 9, 2025

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2002 (24 years in practice)
Group practice Physician Housecalls Llc — 125 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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