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

James Warren Siler, MD

Individual provider Internal Medicine Physician · NPI 1114996907

James Warren Siler, MD is an Internal Medicine in Springfield, Missouri. Graduated from University of Kansas School of Med (KC/WICH/SAL) in 1992, 34 years ago. Practices with Mercy Clinic Springfield Communities, a 1,126-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Kansas and Missouri.

Years since qualifying
34
Trained at
University of Kansas School of Med (KC/WICH/SAL)
Licensed in
KS, MO
In the registry since
2006
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

3231 S National Ave Ste 300
Springfield, MO 65807-7304
Phone: (417) 888-5658
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 2019001303 (MO)
Internal Medicine Physician Taxonomy 207R00000X · Licence 24750 (KS)

Record details

NPI number1114996907
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 15, 2006
Last updated in NPPESFebruary 12, 2019

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF KANSAS SCHOOL OF MED (KC/WICH/SAL)
Graduated 1992 (34 years in practice)
Group practice Mercy Clinic Springfield Communities — 1126 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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