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

Willard Chamberlin, DO

Individual provider Anesthesiology Physician · NPI 1437132818

Willard Chamberlin, DO is an Anesthesiology in Saint Charles, Missouri. Graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 1980, 46 years ago. Practices with Metro-West Anesthesia Group Inc, a 205-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
46
Trained at
At Still University of Health Sciences, College of Osteo Med, Kirksville
Licensed in
MO
In the registry since
2005
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

300 1st Capitol Dr
Saint Charles, MO 63301-2844
Phone: (314) 989-3000
Show map & directions

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

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence R6E81 (MO)

Record details

NPI number1437132818
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedNovember 21, 2005
Last updated in NPPESApril 29, 2008
Mailing address13523 Barrett Parkway Dr, Suite 210, Ballwin, MO 63021-3802

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolAT STILL UNIVERSITY OF HEALTH SCIENCES, COLLEGE OF OSTEO MED, KIRKSVILLE
Graduated 1980 (46 years in practice)
Group practice Metro-West Anesthesia Group Inc — 205 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Saint Charles