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

Sapna Siddharth, MD

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1538506357

Sapna Siddharth, MD is a Critical Care (Intensivists) in Springfield, Illinois. Qualified in 2004, 22 years ago. Practices with Springfield Clinic, LLP, a 679-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
22
Licensed in
IL
In the registry since
2013
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

701 N 1st St
Springfield, IL 62781
Phone: (217) 528-7541
Fax: (217) 606-3057
Show map & directions

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

Specialties & licences

Critical Care Medicine (Internal Medicine) Physician (primary) Taxonomy 207RC0200X · Licence 036145293 (IL)

Record details

NPI number1538506357
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 3, 2013
Last updated in NPPESJuly 14, 2025
Certification dateJuly 14, 2025
Mailing addressPo Box 19248, Springfield, IL 62794-9248

Medicare enrollment

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

Medicare specialtyCRITICAL CARE (INTENSIVISTS)
Medical schoolOTHER
Graduated 2004 (22 years in practice)
Group practice Springfield Clinic, Llp — 679 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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