Dr. Fritz-Henry Henry Volmar, MD
- Medicare services, 2024
- 1,090
- Medicare patients, 2024
- 602
- Part D claims, 2024
- 1,512
- Hospital affiliations
- 2
- Industry payments
- $2,358
- Practice address
- 530 NE Glen Oak Ave, Peoria, IL 61603
- Practice phone
- Call (309) 655-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
OSF St Francis Medical Center & Children's Hospital of Illinois
Peoria, Illinois
Find Dr. Volmar's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Fritz-Henry Henry Volmar is a gastroenterologist in Peoria, Illinois
Dr. Volmar practices at OSF St Francis Medical Center & Children's Hospital of Illinois in Peoria, Illinois.
Dr. Volmar's NPI, 1447351077, was assigned on September 26, 2006. Dr. Volmar holds Wisconsin license 48094.
- NPI
- 1447351077NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2668404567
- NPI enumeration date
- September 26, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (309) 655-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Fritz-Henry Henry Volmar practices at OSF St Francis Medical Center & Children's Hospital of Illinois in Peoria, Illinois
Dr. Volmar's primary practice is OSF St Francis Medical Center & Children's Hospital of Illinois, at 530 NE Glen Oak Ave, Peoria, IL 61603 in Peoria County. The practice phone is (309) 655-2000.
- OSF St Francis Medical Center & Children's Hospital of Illinois530 NE Glen Oak Ave, Peoria, IL 61603 · Peoria CountyPhone(309) 655-2000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Fritz-Henry Henry Volmar is affiliated with 4 sites of care and 1 medical group
Dr. Volmar's primary practice is OSF St Francis Medical Center & Children's Hospital of Illinois in Peoria, Illinois. Dr. Volmar is also affiliated with OSF Saint Francis Medical Center. The medical group on file is OSF Multi-Specialty Group. Dmand AI also links Dr. Volmar to 1 more hospital and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Fritz-Henry Henry Volmar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Volmar practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| OSF St Francis Medical Center & Children's Hospital of Illinois | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Fritz-Henry Henry Volmar is one of 771 gastroenterologists in Illinois
Gastroenterology is Dr. Volmar's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Volmar is licensed in Wisconsin.
Specialties and state licenses
- Gastroenterology, WisconsinPrimary
Gastroenterologists near Dr. Volmar
Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Fritz-Henry Henry Volmar billed Medicare for 1,090 services in 2024
CMS data shows 1,090 Medicare services from Dr. Volmar across 16 procedure codes in 2024, for 602 Medicare patients. Medicare paid $87,543 for them.
Dr. Volmar's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5672024: 5179%
- Surgery
- 2023: 6192024: 45826%
- Other services
- 2023: 1322024: 11513%
Where Dr. Volmar's Medicare services took place, 2024
- In an office34532%
- In a facility74568%
Dr. Volmar compared with the Illinois median for gastroenterologists, 2024
- Dr. Volmar
- Illinois median
- Medicare services
- 1,090vs 4982.2 times
- Medicare patients
- 602vs 30796% above
- Part D claims
- 1,325vs 3703.6 times
Medians across 757 gastroenterologists in Illinois with Dmand AI profiles that report each measure.
Dr. Volmar's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Volmar and other gastroenterologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Fritz-Henry Henry Volmar treated 602 Medicare patients in 2024, average age 73
CMS counts 602 Medicare patients who saw Dr. Volmar in 2024. The largest group is 65 to 74, with 299 patients. 74% of them have high cholesterol, and 73% have high blood pressure. 15% are also on Medicaid. Their average risk score is 1.44, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Volmar's median patient age at 69, with 57% women.
Dr. Volmar's Medicare patients by age, 2024
Dr. Volmar's Medicare patients by sex, 2024
- Women34457%
- Men25843%
Chronic conditions among Dr. Volmar's Medicare patients, 2024
- High cholesterol74%
- High blood pressure73%
- Arthritis46%
- Chronic kidney disease32%
- Anxiety29%
- Mood disorders29%
- Diabetes28%
- Ischemic heart disease27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Volmar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Fritz-Henry Henry Volmar wrote 1,512 Medicare Part D claims in 2024
In 2024, Dr. Volmar wrote 1,512 Medicare Part D claims for 581 patients. 81% of them were for generic drugs. CMS names the drug for 1,325 of them, across 31 drugs with 11 or more claims each, at $663,628 in total drug cost. In 2023, CMS named 1,032 claims across 26 drugs.
Dr. Volmar's Part D claims by kind of drug, 2024
- Generic1,224 claims81%
- Brand-name288 claims19%
Dr. Volmar's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Volmar's Part D claims, 2024
- Antibiotics4%66 of 1,512 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,0322024: 1,32528%
Drugs named by CMS: 31 in 2024, 26 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Fritz-Henry Henry Volmar ranks in the 91st percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare
Dr. Volmar accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Volmar as offering telehealth. CMS counts 216 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Volmar, more than 91% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Volmar ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 91st percentile216 procedures
- Colonoscopy
- 89th percentile155 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Fritz-Henry Henry Volmar received $2,358 in industry payments from 2016 to 2025
CMS Open Payments shows 29 general payments to Dr. Volmar from 11 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $762.
General payments to Dr. Volmar by program year, 2016 to 2025
General payments to Dr. Volmar by kind, 2016 to 2025
- Food and beverage$2,355100%
- Education$30%
Companies that paid Dr. Volmar the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Fritz-Henry Henry Volmar's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Fritz-Henry Henry Volmar
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Fritz-Henry Henry Volmar's NPI number?
Dr. Fritz-Henry Henry Volmar's NPI number is 1447351077. It was assigned on September 26, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Fritz-Henry Henry Volmar?
Dr. Fritz-Henry Henry Volmar is a gastroenterologist in Peoria, Illinois. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Fritz-Henry Henry Volmar practice?
Dr. Volmar practices at 530 NE Glen Oak Ave, Peoria, IL 61603. Dr. Volmar's primary practice is OSF St Francis Medical Center & Children's Hospital of Illinois in Peoria, Illinois. Dmand AI also links Dr. Volmar to 1 hospital and 1 group practice or clinic.
What is Dr. Fritz-Henry Henry Volmar's office phone number?
The practice phone on file for Dr. Volmar is (309) 655-2000.
What is Dr. Fritz-Henry Henry Volmar's medical license number?
Dr. Volmar holds Wisconsin license 48094.
Which hospitals is Dr. Fritz-Henry Henry Volmar affiliated with?
Dr. Volmar is affiliated with OSF Saint Francis Medical Center. Dmand AI links Dr. Volmar to 1 more hospital.
What medical group is Dr. Fritz-Henry Henry Volmar part of?
Dr. Volmar is linked to OSF Multi-Specialty Group.
Does Dr. Fritz-Henry Henry Volmar accept Medicare?
Yes. CMS data shows Dr. Volmar billed Medicare for 1,090 services in 2024, and Dr. Volmar accepts Medicare assignment.
Does Dr. Fritz-Henry Henry Volmar offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Volmar as offering telehealth services.
How many Medicare patients does Dr. Fritz-Henry Henry Volmar see?
CMS counts 602 Medicare patients who saw Dr. Volmar in 2024, with an average age of 73.
Show 4 more questionsShow fewer questions
What services does Dr. Fritz-Henry Henry Volmar bill to Medicare?
In 2024, Dr. Volmar's most billed Medicare services were office visit, established patient (99213), hospital inpatient care (99222) and hospital inpatient care (99232).
What drugs does Dr. Fritz-Henry Henry Volmar prescribe most?
In 2024 Medicare Part D data, Dr. Volmar's most prescribed drugs by claims were Omeprazole, Gavilyte-G and Pantoprazole Sodium.
Has Dr. Fritz-Henry Henry Volmar received payments from drug or device companies?
CMS Open Payments shows $2,358 in general payments to Dr. Volmar from 11 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Fritz-Henry Henry Volmar been practicing?
Dr. Volmar graduated from medical school in 1999, 27 years ago.
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