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

Dr. Cassandra Jo Haddox, DO

Individual provider Emergency Medicine Physician · NPI 1659606929

Dr. Cassandra Jo Haddox, DO is an Emergency Medicine in Saint Louis, Missouri. Graduated from Kansas City University of Physicians and Surgeons in 2006, 20 years ago. Practices with Washington University Community Specialists LLC, a 95-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
20
Trained at
Kansas City University of Physicians and Surgeons
Licensed in
MO
In the registry since
2009
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

3015 N Ballas Rd Dept Emergency Med
Saint Louis, MO 63131-2329
Phone: (314) 966-5000
Fax: (314) 747-3338
Show map & directions

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

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 2009010648 (MO)

Record details

NPI number1659606929
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedOctober 5, 2009
Last updated in NPPESMay 1, 2025

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolKANSAS CITY UNIVERSITY OF PHYSICIANS AND SURGEONS
Graduated 2006 (20 years in practice)
Group practice Washington University Community Specialists Llc — 95 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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