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

Ann M. Altgilbers, APRN

Individual provider Family Nurse Practitioner · NPI 1447638887

Ann M. Altgilbers, APRN is a Nurse Practitioner in Maryville, Illinois. Qualified in 2014, 12 years ago. Practices with Anderson Medical Group LLC, a 139-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
12
Licensed in
IL
In the registry since
2015
Specialties on file
2
What do these letters mean?
APRN — Advanced Practice Registered Nurse
The umbrella licence covering nurse practitioners, midwives, anaesthetists and clinical nurse specialists.

See every abbreviation used in this directory →

Practice location Address checks out

2133 Vadalabene Dr Ste 1
Maryville, IL 62062-5839
Phone: (618) 288-4350
Fax: (618) 288-4296
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 277001249 (IL)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence 209.012774 (IL)

Record details

NPI number1447638887
Entity typeIndividual (Type 1)
GenderFemale
Credentials APRN
Sole proprietorNo
NPI enumeratedMay 18, 2015
Last updated in NPPESAugust 26, 2021
Certification dateAugust 26, 2021

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Group practice Anderson Medical Group Llc — 139 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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