Dr. William Levis, MD
- Medicare services, 2024
- 597
- Medicare patients, 2024
- 483
- Part D claims, 2024
- 748
- Hospital affiliations
- 4
- Industry payments
- $1,082
- Practice address
- 745 Fletcher Dr, Elgin, IL 60123
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Elgin Gastroenterology Endoscopy Center LLC - HOPD
Acute Care Hospital outpatient department · Elgin, Illinois
Find Dr. Levis' 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. William Levis is a gastroenterologist in Elgin, Illinois
Dr. Levis practices at Elgin Gastroenterology Endoscopy Center LLC - HOPD in Elgin, Illinois.
Dr. Levis' NPI, 1265512164, was assigned on October 16, 2006. Dr. Levis graduated from Loyola University of Chicago, Stritch School of Medicine in 2001. Dr. Levis holds Illinois license 36111544.
- NPI
- 1265512164NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0547333734
- NPI enumeration date
- October 16, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William Levis practices at Elgin Gastroenterology Endoscopy Center LLC - HOPD in Elgin, Illinois
Dr. Levis' primary practice is Elgin Gastroenterology Endoscopy Center LLC - HOPD, at 745 Fletcher Dr, Elgin, IL 60123.
- Elgin Gastroenterology Endoscopy Center LLC - HOPD745 Fletcher Dr, Elgin, IL 60123
Source: Dmand AI Affiliation Data
Dr. William Levis is affiliated with 7 sites of care and 2 medical groups
Dr. Levis' primary practice is Elgin Gastroenterology Endoscopy Center LLC - HOPD in Elgin, Illinois. Dr. Levis is also affiliated with Advocate Sherman Hospital. The medical group on file is GI Alliance of Illinois. Dmand AI also links Dr. Levis to 3 more hospitals, 1 group practice or clinic, 1 ambulatory surgery center and 1 medical group, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. William Levis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Levis practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Elgin Gastroenterology Endoscopy Center LLC - HOPD | Available with a free account |
| +6 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William Levis is one of 771 gastroenterologists in Illinois
Gastroenterology is Dr. Levis' primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Levis is licensed in Illinois.
Specialties and state licenses
- Gastroenterology, IllinoisPrimary
Gastroenterologists near Dr. Levis
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. William Levis billed Medicare for 597 services in 2024
CMS data shows 597 Medicare services from Dr. Levis across 14 procedure codes in 2024, for 483 Medicare patients. Medicare paid $69,545 for them.
Dr. Levis' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3552024: 30514%
- Surgery
- 2023: 1972024: 24323%
- Other services
- 2023: 402024: 4923%
Where Dr. Levis' Medicare services took place, 2024
- In an office15426%
- In a facility44374%
Dr. Levis compared with the Illinois median for gastroenterologists, 2024
- Dr. Levis
- Illinois median
- Medicare services
- 597vs 49820% above
- Medicare patients
- 483vs 30757% above
- Part D claims
- 594vs 37061% above
Medians across 757 gastroenterologists in Illinois with Dmand AI profiles that report each measure.
Dr. Levis' 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. Levis and other gastroenterologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William Levis treated 483 Medicare patients in 2024, average age 74
CMS counts 483 Medicare patients who saw Dr. Levis in 2024. The largest group is 65 to 74, with 233 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 15% are also on Medicaid. Their average risk score is 1.79, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Levis' median patient age at 61, with 46% women.
Dr. Levis' Medicare patients by age, 2024
Dr. Levis' Medicare patients by sex, 2024
- Women23348%
- Men25052%
Chronic conditions among Dr. Levis' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis56%
- Chronic kidney disease37%
- Diabetes36%
- Ischemic heart disease36%
- Anxiety31%
- Mood disorders31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Levis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women46%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. William Levis wrote 748 Medicare Part D claims in 2024
In 2024, Dr. Levis wrote 748 Medicare Part D claims for 292 patients. 84% of them were for generic drugs. CMS names the drug for 594 of them, across 15 drugs with 11 or more claims each, at $29,174 in total drug cost. In 2023, CMS named 599 claims across 15 drugs.
Dr. Levis' Part D claims by kind of drug, 2024
- Generic628 claims84%
- Brand-name120 claims16%
Dr. Levis' 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. Levis' Part D claims, 2024
- Antibiotics2%13 of 748 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: 5992024: 5941%
Drugs named by CMS: 15 in 2024, 15 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. William Levis ranks in the 83rd percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare
Dr. Levis accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 140 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Levis, more than 83% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Levis ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 83rd percentile140 procedures
- Colonoscopy
- 73rd percentile75 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. William Levis received $1,082 in industry payments from 2016 to 2025
CMS Open Payments shows 42 general payments to Dr. Levis from 13 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 92% of the total. Janssen Pharmaceuticals, Inc paid the most, $333.
General payments to Dr. Levis by program year, 2016 to 2025
General payments to Dr. Levis by kind, 2016 to 2025
- Food and beverage$99692%
- Education$868%
Companies that paid Dr. Levis the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William Levis graduated from Loyola University of Chicago, Stritch School of Medicine
Dr. Levis graduated from Loyola University of Chicago, Stritch School of Medicine in 2001.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. William Levis'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. William Levis
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. William Levis' NPI number?
Dr. William Levis' NPI number is 1265512164. It was assigned on October 16, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. William Levis?
Dr. William Levis is a gastroenterologist in Elgin, Illinois. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. William Levis practice?
Dr. Levis practices at 745 Fletcher Dr, Elgin, IL 60123. Dr. Levis' primary practice is Elgin Gastroenterology Endoscopy Center LLC - HOPD in Elgin, Illinois. Dmand AI also links Dr. Levis to 3 hospitals, 1 group practice or clinic, 1 ambulatory surgery center and 1 medical group.
What is Dr. William Levis' medical license number?
Dr. Levis holds Illinois license 36111544.
Which hospitals is Dr. William Levis affiliated with?
Dr. Levis is affiliated with Advocate Sherman Hospital. Dmand AI links Dr. Levis to 3 more hospitals.
What medical group is Dr. William Levis part of?
Dr. Levis is linked to GI Alliance of Illinois. Dmand AI links Dr. Levis to 1 more medical group.
Does Dr. William Levis accept Medicare?
Yes. CMS data shows Dr. Levis billed Medicare for 597 services in 2024, and Dr. Levis accepts Medicare assignment.
How many Medicare patients does Dr. William Levis see?
CMS counts 483 Medicare patients who saw Dr. Levis in 2024, with an average age of 74.
What services does Dr. William Levis bill to Medicare?
In 2024, Dr. Levis' most billed Medicare services were hospital inpatient care (99222), office visit, established patient (99213) and surgery: digestive system (43239).
Where did Dr. William Levis go to medical school?
Dr. Levis graduated from Loyola University of Chicago, Stritch School of Medicine in 2001.
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What drugs does Dr. William Levis prescribe most?
In 2024 Medicare Part D data, Dr. Levis' most prescribed drugs by claims were Omeprazole, Pantoprazole Sodium and Sod Sulf-Potass Sulf-Mag Sulf.
Has Dr. William Levis received payments from drug or device companies?
CMS Open Payments shows $1,082 in general payments to Dr. Levis from 13 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. William Levis been practicing?
Dr. Levis graduated from medical school in 2001, 25 years ago.
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