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.

See every abbreviation used in this directory →

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
Mailing address3231 S National Ave Ste 300, Springfield, MO 65807-7304

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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