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

Barry Sieger, MD

Individual provider Internal Medicine Physician · NPI 1598742447

Barry Sieger, MD is an Internal Medicine Physician in Orlando, Florida. Licensed in Florida. Registered with an NPI since 2005.

Licensed in
FL
In the registry since
2005
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

77 W Underwood St Ste 4
Orlando, FL 32806-1122
Phone: (321) 841-7750
Fax: (321) 841-6180
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence ME0024562 (FL)
Internal Medicine Physician Taxonomy 207R00000X · Licence ME24562 (FL)

Record details

NPI number1598742447
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 30, 2005
Last updated in NPPESFebruary 8, 2011
Mailing address77 W Underwood St, Suite 4, Orlando, FL 32806-1122

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