NPPES file of Aug 9, 2026

Fritz-Henry Volmar, MD

Gastroenterology Physician · Peoria, IL

Fritz-Henry Volmar, MD is a gastroenterology physician with a practice address in Peoria, Illinois, and NPI 1447351077, issued on Sep 26, 2006. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1447351077
Name
Fritz-Henry Volmar
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
48094 WI
Self-reported in NPPES; status is on the state search
Practice location
2805 N Knoxville Ave, Peoria, IL 61604
Phone
(309) 524-9400
Enumerated
Sep 26, 2006
Record last updated
Sep 3, 2010 (not updated in 16 years: call before relying on the address or phone)
Medicaid ID
34675600 WI
Medicare enrollment
Enrolled (PECOS I20110217000331); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2805 N Knoxville Ave

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

  1. Angel Atkins, CNM, WHNP, APNWomen's Health Nurse Practitioner1225091986
  2. Michael Cashman, M.D.Gastroenterology Physician1881635605
  3. Erica Deford, PAMedical Physician Assistant1306020334
  4. Gloria Diaz, MDGastroenterology Physician1639168222
  5. Melissa DyeClinical Nurse Specialist1467575092
  6. Scott Gonia, ACNS-BCAdult Health Clinical Nurse Specialist1982985339

Verify Fritz-Henry Volmar in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck 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
Open the Illinois license search

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86% more Medicare Part D claims than the average gastroenterology physician in 2024

1,512 Medicare Part D claims for 581 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.

  1. Fritz-Henry Volmar1,512
  2. Specialty average811

Most prescribed

  1. Omeprazole233 claims
  2. Gavilyte-G218 claims
  3. Pantoprazole Sodium152 claims
  4. Sod Sulf-Potass Sulf-Mag Sulf76 claims
  5. Dicyclomine Hcl54 claims
  6. Mesalamine44 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $317.15

3 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Fritz-Henry Volmar$317.15
  2. Specialty average$5,015.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Osf Multi-Specialty GroupPeoria, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Fritz-Henry Volmar among 887 gastroenterology physician records in Illinois

Fritz-Henry Volmar, MD is one of 887 gastroenterology physician records with a practice address in Illinois. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 15% of them.

  • NPI issued2006 · 15% of these records are older, 52% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated1999 · median 2003 among the 643 with a school on file
  • Record last updated2010 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in Illinois

There are 887 gastroenterology physician records in Illinois.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Michael Cashman, M.D.Peoria, IL 616041881635605
  2. Gloria Diaz, MDPeoria, IL 616041639168222
  3. Michael ShekletonPeoria, IL 616041912097205
  4. Yuliya Belopolsky, MDPeoria, IL 616051467980011
  5. Deep Mehta, MDPeoria, IL 616051285205773
  6. Terry Baldwin, M.D.Peoria, IL 616061346276284
  7. Shiraz Khaiser, MDPeoria, IL 616061568681740
  8. Eliathamby Kuganeswaran, M.D.Peoria, IL 616061073555488

Common questions

What is Fritz-Henry Volmar, MD's NPI number?

Fritz-Henry Volmar, MD's National Provider Identifier (NPI) is 1447351077, issued on Sep 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Fritz-Henry Volmar, MD located?

The NPPES record lists a practice address at 2805 N Knoxville Ave, Peoria, IL, 61604. Phone: (309) 524-9400. Providers update this record themselves, so call before visiting.

How can I verify Fritz-Henry Volmar, MD's license?

Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Fritz-Henry Volmar, MD prescribe under Medicare Part D?

In 2024, Fritz-Henry Volmar, MD had 1,512 Medicare Part D claims for 581 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions 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. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

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.