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

Individual provider Pediatric Surgery Physician · NPI 1649296948

Dr. Patrick A Dillon, MD is a General Surgery in Saint Louis, Missouri. Graduated from Georgetown University School of Medicine in 1988, 38 years ago. Practices with Washington University, a 2,986-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
38
Trained at
Georgetown University 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

1 Childrens Pl Div Surg Ped Ste 2A
Saint Louis, MO 63110-1002
Phone: (314) 454-6022
Fax: (866) 422-8308
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatric Surgery Physician (primary) Taxonomy 2086S0120X · Licence 113094 (MO)

Record details

NPI number1649296948
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 14, 2006
Last updated in NPPESApril 17, 2025
Mailing addressPo Box 7412011, Chicago, IL 60674-2011

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Medical schoolGEORGETOWN UNIVERSITY SCHOOL OF MEDICINE
Graduated 1988 (38 years in practice)
Group practice Washington University — 2986 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

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