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

MS. Margaret Manger Barnum, NP

Individual provider Family Nurse Practitioner · NPI 1487798823

MS. Margaret Manger Barnum, NP is a Nurse Practitioner in Natchitoches, Louisiana. Qualified in 2004, 22 years ago. Practices with Ch Mssp Services La LLC, a 42-clinician group and accepts Medicare assignment. Licensed in Louisiana.

Years since qualifying
22
Licensed in
LA
In the registry since
2007
Specialties on file
3
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

See every abbreviation used in this directory →

Practice location Address checks out

617 Bienville St
Natchitoches, LA 71457-5739
Phone: (318) 352-9880
Fax: (318) 357-1347
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 RN075967 (LA)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence RN075967 AP04510 (LA)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence AP04510 (LA)

Record details

NPI number1487798823
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedFebruary 19, 2007
Last updated in NPPESAugust 16, 2021
Certification dateAugust 16, 2021

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2004 (22 years in practice)
Group practice Ch Mssp Services La Llc — 42 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Natchitoches