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

MS. Anna M Ahrens, ANP

Individual provider Nurse Practitioner · NPI 1457480915

MS. Anna M Ahrens, ANP is a Nurse Practitioner in Saint Louis, Missouri. Qualified in 2004, 22 years ago. Practices with Washington University, a 2,986-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
22
Licensed in
MO
In the registry since
2007
Specialties on file
2

Practice location Address checks out

3844 S Lindbergh Blvd Ste 220
Saint Louis, MO 63127-1369
Phone: (314) 996-7272
Fax: (314) 996-6785
Show map & directions

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

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 141504 (MO)
Adult Health Nurse Practitioner Taxonomy 363LA2200X · Licence 141504 (MO)

Record details

NPI number1457480915
Entity typeIndividual (Type 1)
GenderFemale
Credentials ANP
Sole proprietorNo
NPI enumeratedMarch 2, 2007
Last updated in NPPESApril 22, 2026
Certification dateApril 22, 2026

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 Washington University — 2986 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Saint Louis