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

Thomas R Whalen, MD

Individual provider Specialist · NPI 1356364541

Thomas R Whalen, MD is an Obstetrics/Gynecology in Saint Louis, Missouri. Graduated from University of Missouri, Columbia School of Medicine in 1992, 34 years ago. Practices with Mercy Womens Services LLC, a 13-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
34
Trained at
University of Missouri, Columbia School of Medicine
Licensed in
MO
In the registry since
2006
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

615 S New Ballas Rd
Saint Louis, MO 63141-8221
Phone: (314) 251-7498
Fax: (314) 251-3921
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence 101052 (MO)
Specialist Taxonomy 174400000X · Licence 101052 (MO)

Record details

NPI number1356364541
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 26, 2006
Last updated in NPPESDecember 14, 2022
Certification dateDecember 14, 2022

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolUNIVERSITY OF MISSOURI, COLUMBIA SCHOOL OF MEDICINE
Graduated 1992 (34 years in practice)
Group practice Mercy Womens Services Llc — 13 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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