Dr. Jeffrey Hal Gillis, DO
- Medicare services, 2024
- 802
- Medicare patients, 2024
- 540
- Part D claims, 2024
- 322
- MIPS score, 2024
- 100
- Hospital affiliations
- 1
- Practice address
- 27 Medical Center Drive, Jackson, TN 38301
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Skyline Endoscopy of West Tennessee
Surgery Center - Medicare-Certified · Jackson, Tennessee
Find Dr. Gillis' professional email, personal email and mobile number
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Dr. Jeffrey Hal Gillis is a gastroenterologist in Jackson, Tennessee
Dr. Gillis practices at Skyline Endoscopy of West Tennessee in Jackson, Tennessee.
Dr. Gillis' NPI, 1508125626, was assigned on May 9, 2012. Dr. Gillis holds Tennessee license 3450.
- NPI
- 1508125626NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8921248527
- NPI enumeration date
- May 9, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jeffrey Hal Gillis practices at Skyline Endoscopy of West Tennessee in Jackson, Tennessee
Dr. Gillis' primary practice is Skyline Endoscopy of West Tennessee, at 27 Medical Center Drive, Jackson, TN 38301.
- Skyline Endoscopy of West Tennessee27 Medical Center Drive, Jackson, TN 38301
Source: Dmand AI Affiliation Data
Dr. Jeffrey Hal Gillis is affiliated with 4 sites of care and 2 medical groups
Dr. Gillis' primary practice is Skyline Endoscopy of West Tennessee in Jackson, Tennessee. Dr. Gillis is also affiliated with West Tennessee Healthcare Jackson-Madison County General Hospital. The medical group on file is West Tennessee Medical Group. Dmand AI also links Dr. Gillis to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jeffrey Hal Gillis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gillis practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Skyline Endoscopy of West Tennessee | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jeffrey Hal Gillis is one of 331 gastroenterologists in Tennessee
Gastroenterology is Dr. Gillis' primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Gillis is licensed in Tennessee.
Specialties and state licenses
- Gastroenterology, TennesseePrimary
Gastroenterologists near Dr. Gillis
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. Jeffrey Hal Gillis billed Medicare for 802 services in 2024
CMS data shows 802 Medicare services from Dr. Gillis across 14 procedure codes in 2024, for 540 Medicare patients. Medicare paid $83,048 for them.
Dr. Gillis' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 2772024: 39944%
- Office and hospital visits
- 2023: 5262024: 32638%
- Other services
- 2023: 392024: 7797%
Where Dr. Gillis' Medicare services took place, 2024
- In an office567%
- In a facility74693%
Dr. Gillis compared with the Tennessee median for gastroenterologists, 2024
- Dr. Gillis
- Tennessee median
- Medicare services
- 802vs 64524% above
- Medicare patients
- 540vs 37743% above
- Part D claims
- 159vs 59673% below
Medians across 330 gastroenterologists in Tennessee with Dmand AI profiles that report each measure.
Dr. Gillis' 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. Gillis and other gastroenterologists in Tennessee.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jeffrey Hal Gillis treated 540 Medicare patients in 2024, average age 72
CMS counts 540 Medicare patients who saw Dr. Gillis in 2024. The largest group is 65 to 74, with 262 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 15% are also on Medicaid. Their average risk score is 1.73, 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. Gillis' median patient age at 61, with 54% women.
Dr. Gillis' Medicare patients by age, 2024
Dr. Gillis' Medicare patients by sex, 2024
- Women29955%
- Men24145%
Chronic conditions among Dr. Gillis' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis53%
- Ischemic heart disease44%
- Anxiety41%
- Diabetes41%
- Mood disorders35%
- Chronic kidney disease34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gillis' 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
- Women54%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jeffrey Hal Gillis wrote 322 Medicare Part D claims in 2024
In 2024, Dr. Gillis wrote 322 Medicare Part D claims for 119 patients. 76% of them were for generic drugs. CMS names the drug for 159 of them, across 5 drugs with 11 or more claims each, at $364,469 in total drug cost. In 2023, CMS named 228 claims across 8 drugs.
Dr. Gillis' Part D claims by kind of drug, 2024
- Generic244 claims76%
- Brand-name78 claims24%
Dr. Gillis' 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. Gillis' Part D claims, 2024
- Antibiotics8%26 of 322 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: 2282024: 15930%
Drugs named by CMS: 5 in 2024, 8 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. Jeffrey Hal Gillis scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Gillis for performance year 2024, reported as part of a group. Dr. Gillis accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 218 procedures of colonoscopy by Dr. Gillis, more than 94% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Gillis' MIPS scores, performance year 2024
- 100of 100Final score
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Gillis ranks in Medicare procedure volume
- Colonoscopy
- 94th percentile218 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 87th percentile170 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Jeffrey Hal Gillis received $2,777 in industry payments from 2018 to 2025
CMS Open Payments shows 144 general payments to Dr. Gillis from 26 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $1,384.
General payments to Dr. Gillis by program year, 2018 to 2025
General payments to Dr. Gillis by kind, 2018 to 2025
- Food and beverage$2,766100%
- Education$120%
Companies that paid Dr. Gillis the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Jeffrey Hal Gillis'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 DataDmand AI Org Hierarchy 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)Clinician Public Reporting: Overall MIPS Performance (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. Jeffrey Hal Gillis
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. Jeffrey Hal Gillis' NPI number?
Dr. Jeffrey Hal Gillis' NPI number is 1508125626. It was assigned on May 9, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Jeffrey Hal Gillis?
Dr. Jeffrey Hal Gillis is a gastroenterologist in Jackson, Tennessee. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Jeffrey Hal Gillis practice?
Dr. Gillis practices at 27 Medical Center Drive, Jackson, TN 38301. Dr. Gillis' primary practice is Skyline Endoscopy of West Tennessee in Jackson, Tennessee. Dmand AI also links Dr. Gillis to 2 group practices and clinics and 1 medical group.
What is Dr. Jeffrey Hal Gillis' medical license number?
Dr. Gillis holds Tennessee license 3450.
Which hospitals is Dr. Jeffrey Hal Gillis affiliated with?
Dr. Gillis is affiliated with West Tennessee Healthcare Jackson-Madison County General Hospital.
What medical group is Dr. Jeffrey Hal Gillis part of?
Dr. Gillis is linked to West Tennessee Medical Group. Dmand AI links Dr. Gillis to 1 more medical group.
Does Dr. Jeffrey Hal Gillis accept Medicare?
Yes. CMS data shows Dr. Gillis billed Medicare for 802 services in 2024, and Dr. Gillis accepts Medicare assignment.
What is Dr. Jeffrey Hal Gillis' MIPS score?
Dr. Gillis' MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
How many Medicare patients does Dr. Jeffrey Hal Gillis see?
CMS counts 540 Medicare patients who saw Dr. Gillis in 2024, with an average age of 72.
What services does Dr. Jeffrey Hal Gillis bill to Medicare?
In 2024, Dr. Gillis' most billed Medicare services were surgery: digestive system (45385), hospital inpatient care (99222) and hospital inpatient care (99231).
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What drugs does Dr. Jeffrey Hal Gillis prescribe most?
In 2024 Medicare Part D data, Dr. Gillis' most prescribed drugs by claims were Pantoprazole Sodium, Creon and Omeprazole.
Has Dr. Jeffrey Hal Gillis received payments from drug or device companies?
CMS Open Payments shows $2,777 in general payments to Dr. Gillis from 26 companies from 2018 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Jeffrey Hal Gillis been practicing?
Dr. Gillis graduated from medical school in 2012, 14 years ago.
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