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

Gretchen L Anderson, RN, CS, MSN, FNP

Individual provider General Practice Registered Nurse · NPI 1871563536

Gretchen L Anderson, RN, CS, MSN, FNP is a General Practice Registered Nurse in Los Alamos, New Mexico. Licensed in Missouri and New Mexico. Registered with an NPI since 2006.

Licensed in
MO, NM
In the registry since
2006
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.
MSN — Master of Science in Nursing
A graduate nursing degree, usually held alongside an advanced practice licence.
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

See every abbreviation used in this directory →

Practice location Address checks out

3917 W Rd Ste A
Los Alamos, NM 87544-2275
Phone: (505) 661-8900
Fax: (505) 661-8961
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence CNP-01819 (NM)
General Practice Registered Nurse Taxonomy 163WG0000X · Licence 102429 (MO)

Record details

NPI number1871563536
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN , CS , MSN , FNP
Sole proprietorNo
NPI enumeratedJanuary 25, 2006
Last updated in NPPESJanuary 30, 2012