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

Dr. William D Birenbaum, MD

Individual provider Internal Medicine Physician · NPI 1407876550

Dr. William D Birenbaum, MD is an Internal Medicine in Saint Louis, Missouri. Graduated from University of Missouri, Columbia School of Medicine in 1982, 44 years ago. Practices with Physician Groups Lc, a 524-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Missouri.

Years since qualifying
44
Trained at
University of Missouri, Columbia School of Medicine
Licensed in
MO
In the registry since
2006
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 383C
Saint Louis, MO 63131-2322
Phone: (314) 996-4545
Fax: (314) 996-4546
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 36460 (MO)

Record details

NPI number1407876550
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 20, 2006
Last updated in NPPESFebruary 12, 2021
Certification dateFebruary 12, 2021
Mailing address670 Mason Ridge Center Dr, Ste 300, Saint Louis, MO 63141-8573

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF MISSOURI, COLUMBIA SCHOOL OF MEDICINE
Graduated 1982 (44 years in practice)
Group practice Physician Groups Lc — 524 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations5 on file with Medicare

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