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

Rachel Lynn Duncan, MD

Individual provider Hospitalist Physician · NPI 1639601628

Rachel Lynn Duncan, MD is an Internal Medicine in Saint Louis, Missouri. Graduated from Texas a & M University System, Hsc, College of Medicine in 2017, 9 years ago. Practices with Physician Groups Lc, a 524-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Missouri and Texas.

Years since qualifying
9
Trained at
Texas a & M University System, Hsc, College of Medicine
Licensed in
MO, TX
In the registry since
2017
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

3009 N Ballas Rd Ste 390C
Saint Louis, MO 63131-2322
Phone: (314) 996-5900
Show map & directions

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

Additional practice locations (1)

  • 6201 Harry Hines Blvd, Dallas, TX 75390-0001 — (214) 633-5555

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 2023042765 (MO)
Hospitalist Physician Taxonomy 208M00000X · Licence S6164 (TX)

Record details

NPI number1639601628
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 30, 2017
Last updated in NPPESSeptember 22, 2025
Certification dateSeptember 22, 2025

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolTEXAS A & M UNIVERSITY SYSTEM, HSC, COLLEGE OF MEDICINE
Graduated 2017 (9 years in practice)
Group practice Physician Groups Lc — 524 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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