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

Karen Mainzer, OTR, LCHT

Individual provider Hand Occupational Therapist · NPI 1649218066

Karen Mainzer, OTR, LCHT is an Occupational Therapist in Private Practice in Bridgeton, Missouri. Qualified in 1999, 27 years ago. Practices with Ihc Health Services Inc, a 3,947-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
27
Licensed in
MO
In the registry since
2006
What do these letters mean?
OTR — Occupational Therapist, Registered
A nationally registered occupational therapist.

See every abbreviation used in this directory →

Practice location Address checks out

12468 St Charles Rock Road Pro Rehab
Bridgeton, MO 63044
Phone: (314) 739-1123
Fax: (314) 739-1173
Show map & directions

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

Specialties & licences

Hand Occupational Therapist (primary) Taxonomy 225XH1200X · Licence 2004000205 (MO)

Record details

NPI number1649218066
Entity typeIndividual (Type 1)
GenderFemale
Credentials OTR , LCHT
Sole proprietorNo
NPI enumeratedJune 4, 2006
Last updated in NPPESAugust 24, 2007

Medicare enrollment

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

Medicare specialtyOCCUPATIONAL THERAPIST IN PRIVATE PRACTICE
Medical schoolOTHER
Graduated 1999 (27 years in practice)
Group practice Ihc Health Services Inc — 3947 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount