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

Dr. Derek Ernest Byers, MD

Individual provider Pulmonary Disease Physician · NPI 1407074701

Dr. Derek Ernest Byers, MD is a Pulmonary Disease in Saint Louis, Missouri. Graduated from University of Texas Southwestern Medical School at Dallas in 2001, 25 years ago. Practices with Washington University, a 2,986-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
25
Trained at
University of Texas Southwestern Medical School at Dallas
Licensed in
MO
In the registry since
2007
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

4921 Parkview Pl Div Im Pulmonary And Ccm Ste 8B
Saint Louis, MO 63110-1032
Phone: (314) 454-8766
Fax: (314) 454-5571
Show map & directions

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

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence 2006032131 (MO)

Record details

NPI number1407074701
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 23, 2007
Last updated in NPPESApril 15, 2025

Medicare enrollment

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

Medicare specialtyPULMONARY DISEASE
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL SCHOOL AT DALLAS
Graduated 2001 (25 years in practice)
Group practice Washington University — 2986 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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