NPPES file of Aug 9, 2026

Heidi Dawn Duff, PA-C

Medical Physician Assistant · Maryville, IL

Heidi Dawn Duff, PA-C is a medical physician assistant with a practice address in Maryville, Illinois, and NPI 1588855381, issued on Aug 6, 2007. Check the license (Illinois 085003013, as entered in NPPES) with the Illinois board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1588855381
Name
Heidi Dawn Duff
Credential
PA-C
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
085003013 IL
Self-reported in NPPES; status is on the state search
Practice location
6800 State Route 162, Maryville, IL 62062
Phone
(314) 317-0600
Enumerated
Aug 6, 2007
Record last updated
Mar 10, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(314) 317-0606
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest medical physician assistant records → All 671 in Illinois → Look up another NPI →

Also registered at 6800 State Route 162

A shared address usually means a shared clinic or building; it does not show who employs whom.

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  2. Cory Austin, CRNA, DNPCertified Registered Nurse Anesthetist1285251033
  3. David Autry, MDDiagnostic Radiology Physician1629026877
  4. Samuel Bailey, PAPhysician Assistant1891778254
  5. Barbara Baird, MS,CCC-SLPSpeech-Language Pathologist1609901396
  6. Cindy Bauer, OTROccupational Therapist1891087656

Verify Heidi Dawn Duff in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 085003013    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Heidi Dawn Duff among 671 medical physician assistant records in Illinois

Heidi Dawn Duff, PA-C is one of 671 medical physician assistant records with a practice address in Illinois. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 29% of them.

  • NPI issued2007 · 29% of these records are older, 59% newer
  • In a Medicare fileNo · 70% of these records are
  • In the CMS Doctors and Clinicians fileNo · 51% of these records are
  • Record last updated2015 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

9 medical physician assistant records list a practice address in Maryville

They are 9 of the 414 NPPES records with a practice address in Maryville, and 671 medical physician assistant records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 671 in Illinois → Every provider in Maryville → Medical Physician Assistant nationwide →

The 8 medical physician assistant records with the nearest ZIP codes

  1. Abby Beedy, PA-CMaryville, IL 620621942497037
  2. Alyssa DiazMaryville, IL 620621467380972
  3. Jessica Nussbaum, PA-CMaryville, IL 620621184306524
  4. Rebecca Oberkrom, PA-CMaryville, IL 620621316758154
  5. Madeline RosebroughMaryville, IL 620621538872726
  6. Tabatha Sauer, PAMaryville, IL 620621346838893
  7. Christine Werner, PA-CMaryville, IL 620621124277389
  8. Sarah Wiegman, PA-CMaryville, IL 620621285439620

Common questions

What is Heidi Dawn Duff, PA-C's NPI number?

Heidi Dawn Duff, PA-C's National Provider Identifier (NPI) is 1588855381, issued on Aug 6, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Heidi Dawn Duff, PA-C located?

The NPPES record lists a practice address at 6800 State Route 162, Maryville, IL, 62062. Phone: (314) 317-0600. Providers update this record themselves, so call before visiting.

How can I verify Heidi Dawn Duff, PA-C's license?

NPPES lists Illinois license number 085003013, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.