Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Lindsey Ann Harden Atwood, MD

Individual provider Internal Medicine Physician · NPI 1356879068

Lindsey Ann Harden Atwood, MD practises Internal Medicine in Springfield, Illinois. Graduated from Southern Illinois University School of Medicine in 2017, 9 years ago. Practices with Springfield Clinic, LLP, a 679-clinician group and accepts Medicare assignment. Licensed in Illinois and Indiana.

Years since qualifying
9
Trained at
Southern Illinois University School of Medicine
Licensed in
IL, IN
In the registry since
2017
Specialties on file
3
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

1025 S 6th St
Springfield, IL 62703-2499
Phone: (217) 528-7541
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 036162722 (IL)
Pediatrics Physician Taxonomy 208000000X · Licence 036162722 (IL)
General Practice Physician Taxonomy 208D00000X · Licence 01086120A (IN)

Record details

NPI number1356879068
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 24, 2017
Last updated in NPPESMarch 2, 2026
Certification dateMarch 2, 2026

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesPEDIATRIC MEDICINE
Medical schoolSOUTHERN ILLINOIS UNIVERSITY SCHOOL OF MEDICINE
Graduated 2017 (9 years in practice)
Group practice Springfield Clinic, Llp — 679 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations9 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients53
Services billed 289 a service is one billed item, such as a visit, a test or a procedure
Average patient age73

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Springfield Clinic, LLP

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 679 clinicians in the practice; 12 are shown here.

Other providers in Springfield