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

Keith A Bernstein, MD

Individual provider Rheumatology Physician · NPI 1447273727

Keith A Bernstein, MD is a Rheumatology in Chesterfield, Missouri. Graduated from Washington University School of Medicine in 1990, 36 years ago. Practices with Internal Medicine Associates, Ltd, a 3-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
36
Trained at
Washington University School of Medicine
Licensed in
MO
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

224 S Woods Mill Rd Ste 500 South
Chesterfield, MO 63017
Phone: (314) 878-6260
Fax: (314) 878-8058
Show map & directions

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

Specialties & licences

Rheumatology Physician (primary) Taxonomy 207RR0500X · Licence R8J79 (MO)

Record details

NPI number1447273727
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 26, 2006
Last updated in NPPESJuly 8, 2007
Mailing address224 S Woods Mill Rd, Suite 500 South, Chesterfield, MO 63017

Medicare enrollment

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

Medicare specialtyRHEUMATOLOGY
Medical schoolWASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 1990 (36 years in practice)
Group practice Internal Medicine Associates, Ltd. — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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