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

Dr. Thomas Jay Neilson, MD

Individual provider Internal Medicine Physician · NPI 1174549034

Dr. Thomas Jay Neilson, MD is an Internal Medicine Physician in Jacksonville, Florida. Licensed in Florida. Registered with an NPI since 2006.

Licensed in
FL
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

500 Water St # J-290
Jacksonville, FL 32202-4423
Phone: (904) 359-7645
Fax: (904) 359-3313
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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 ME82070 (FL)
Preventive Medicine/Occupational Environmental Medicine Physician Taxonomy 2083P0500X · Licence ME82070 (FL)

Record details

NPI number1174549034
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 14, 2006
Last updated in NPPESSeptember 11, 2025

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