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

Melissa Ann Timmermann

Individual provider Clinical Social Worker · NPI 1811673338

Melissa Ann Timmermann is a Clinical Social Worker in Ballwin, Missouri. Graduated from Michigan State University College of Human Medicine in 2008, 18 years ago. Practices with Open Arms Wellness LLC, a 12-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Missouri.

Years since qualifying
18
Trained at
Michigan State University College of Human Medicine
Licensed in
MO
In the registry since
2023

Practice location Address checks out

13975 Manchester Rd Ste 3
Ballwin, MO 63011-4500
Phone: (314) 329-4326
Show map & directions

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

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 2017022033 (MO)

Record details

NPI number1811673338
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedJune 27, 2023
Last updated in NPPESJune 27, 2023
Certification dateJune 27, 2023
Mailing address13975 Manchester Rd Ste 3, Ballwin, MO 63011-4500

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolMICHIGAN STATE UNIVERSITY COLLEGE OF HUMAN MEDICINE
Graduated 2008 (18 years in practice)
Group practice Open Arms Wellness Llc — 12 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Ballwin