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

Joseph H Flaherty, MD

Individual provider Internal Medicine Physician · NPI 1710995568

Joseph H Flaherty, MD is an Internal Medicine in St. Louis, Missouri. Graduated from Saint Louis University School of Medicine in 1990, 36 years ago. Practices with Questcare Matrix PLLC, a 40-clinician group and accepts Medicare assignment. Licensed in Missouri and Texas.

Years since qualifying
36
Trained at
Saint Louis University School of Medicine
Licensed in
MO, TX
In the registry since
2006
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

3660 Vis
St. Louis, MO 63110
Phone: (314) 977-8462
Fax: (314) 771-8575
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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 R4546 (TX)
Geriatric Medicine (Internal Medicine) Physician Taxonomy 207RG0300X · Licence R4546 (TX)
Geriatric Medicine (Internal Medicine) Physician Taxonomy 207RG0300X · Licence 103448 (MO)

Record details

NPI number1710995568
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 4, 2006
Last updated in NPPESJanuary 27, 2026
Certification dateJanuary 27, 2026
Mailing address3691 Rutger Ave, Provider Enrollment, St Louis, MO 63110

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolSAINT LOUIS UNIVERSITY SCHOOL OF MEDICINE
Graduated 1990 (36 years in practice)
Group practice Questcare Matrix Pllc — 40 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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