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

Theodore Eller, MD

Individual provider Neurological Surgery Physician · NPI 1487690533

Theodore Eller, MD is a Neurological Surgery Physician in Rockford, Illinois. Licensed in Illinois. Registered with an NPI since 2006.

Licensed in
IL
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

2350 N Rockton Ave
Rockford, IL 61103-3600
Phone: (815) 971-7600
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Neurological Surgery Physician (primary) Taxonomy 207T00000X · Licence 036058013 (IL)

Record details

NPI number1487690533
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 20, 2006
Last updated in NPPESJanuary 26, 2010
Mailing address2350 N Rockton Ave, Rockford, IL 61103-3600

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