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

Dr. Chad Michael Ronholm, MD

Individual provider Emergency Medical Services (Emergency Medicine) Physician · NPI 1306027909

Dr. Chad Michael Ronholm, MD is a Rheumatology in Saint Louis, Missouri. Qualified in 2007, 19 years ago. Practices with Clayton Medical Associates PC, a 5-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
19
Licensed in
MO
In the registry since
2007
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

520 S Elm Ave
Saint Louis, MO 63119-3845
Phone: (314) 645-4434
Fax: (314) 645-3801
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1 Jefferson Barracks Dr, Saint Louis, MO 63125-4181 — (314) 652-4100

Specialties & licences

Rheumatology Physician (primary) Taxonomy 207RR0500X · Licence 2010026420 (MO)
Emergency Medical Services (Emergency Medicine) Physician Taxonomy 207PE0004X · Licence 2010026420 (MO)

Record details

NPI number1306027909
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 25, 2007
Last updated in NPPESMarch 29, 2024
Certification dateMarch 29, 2024

Medicare enrollment

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

Medicare specialtyRHEUMATOLOGY
Medical schoolOTHER
Graduated 2007 (19 years in practice)
Group practice Clayton Medical Associates Pc — 5 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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