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

MS. Gloria Isabel Diaz, MD

Individual provider Gastroenterology Physician · NPI 1639168222

MS. Gloria Isabel Diaz, MD is a Gastroenterology Physician in Peoria, Illinois. Licensed in Illinois. Registered with an NPI since 2005.

Licensed in
IL
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

2805 N Knoxville Ave
Peoria, IL 61604-2869
Phone: (309) 624-9400
Fax: (309) 624-2280
Show map & directions

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

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X (IL)

Record details

NPI number1639168222
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 17, 2005
Last updated in NPPESJuly 8, 2007

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