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

Heidi Dawn Duff, PA-C

Individual provider Medical Physician Assistant · NPI 1588855381

Heidi Dawn Duff, PA-C is a Medical Physician Assistant in Maryville, Illinois. Licensed in Illinois. Registered with an NPI since 2007.

Licensed in
IL
In the registry since
2007
What do these letters mean?
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

See every abbreviation used in this directory →

Practice location Address checks out

6800 State Route 162
Maryville, IL 62062-8500
Phone: (314) 317-0600
Fax: (314) 317-0606
Show map & directions

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

Specialties & licences

Medical Physician Assistant (primary) Taxonomy 363AM0700X · Licence 085003013 (IL)

Record details

NPI number1588855381
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA-C
Sole proprietorNo
NPI enumeratedAugust 6, 2007
Last updated in NPPESMarch 10, 2015

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