Dr. John Sloan Warner Jr., MD
- Medicare services, 2024
- 396
- Medicare patients, 2024
- 274
- Part D claims, 2024
- 466
- Hospital affiliations
- 1
- Industry payments
- $6,680
- Practice address
- One Saint Joseph Drive, Lexington, KY 40504
- Practice phone
- Call (859) 313-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Warner's professional email, personal email and mobile number
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Dr. John Sloan Warner Jr. is a general surgeon in Lexington, Kentucky
Dr. Warner practices at Saint Joseph Hospital in Lexington, Kentucky, part of CommonSpirit Health.
Dr. Warner's NPI, 1780607390, was assigned on July 25, 2006. Dr. Warner graduated from Vanderbilt University School of Medicine in 1988. Dr. Warner holds Kentucky license 32614.
- NPI
- 1780607390NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4981731015
- NPI enumeration date
- July 25, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (859) 313-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Sloan Warner Jr. practices at 2 locations in Lexington, Kentucky
Dr. Warner's primary practice is Saint Joseph Hospital, at One Saint Joseph Drive, Lexington, KY 40504 in Fayette County. The practice phone is (859) 313-1000. Dr. Warner also practices at St Joseph Hospital, 1 St Joseph Dr, Lexington, KY 40504.
- Saint Joseph HospitalPrimaryOne Saint Joseph Drive, Lexington, KY 40504 · Fayette CountyPhone(859) 313-1000
- St Joseph Hospital1 St Joseph Dr, Lexington, KY 40504 · Fayette CountyPhone(859) 313-1000
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. John Sloan Warner Jr. is affiliated with 2 sites of care and 1 medical group
Dr. Warner's primary practice is Saint Joseph Hospital in Lexington, Kentucky, part of CommonSpirit Health. The medical group on file is Lexington Clinic. Dmand AI also links Dr. Warner to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Sloan Warner Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Warner practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Saint Joseph Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across CommonSpirit Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John Sloan Warner Jr. is one of 383 general surgeons in Kentucky
Surgery is Dr. Warner's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Warner is licensed in Kentucky.
Specialties and state licenses
- Surgery, KentuckyPrimary
General surgeons near Dr. Warner
Counts of general surgeons 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. John Sloan Warner Jr. billed Medicare for 396 services in 2024
CMS data shows 396 Medicare services from Dr. Warner across 9 procedure codes in 2024, for 274 Medicare patients. Medicare paid $43,008 for them.
Dr. Warner's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4822024: 37323%
- Surgery
- 2023: 172024: 2335%
Where Dr. Warner's Medicare services took place, 2024
- In an office26266%
- In a facility13434%
Dr. Warner compared with the Kentucky median for general surgeons, 2024
- Dr. Warner
- Kentucky median
- Medicare services
- 396vs 20296% above
- Medicare patients
- 274vs 14786% above
- Part D claims
- 350vs 834.2 times
Medians across 373 general surgeons in Kentucky with Dmand AI profiles that report each measure.
Dr. Warner'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.
Need commercial claims for Dr. Warner?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Warner and other general surgeons in Kentucky.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Sloan Warner Jr. treated 274 Medicare patients in 2024, average age 75
CMS counts 274 Medicare patients who saw Dr. Warner in 2024. The largest group is 75 to 84, with 115 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.53, 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. Warner's median patient age at 73, with 48% women.
Dr. Warner's Medicare patients by age, 2024
Dr. Warner's Medicare patients by sex, 2024
- Women11743%
- Men15757%
Chronic conditions among Dr. Warner's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis47%
- Chronic kidney disease37%
- Ischemic heart disease36%
- Diabetes33%
- Anxiety31%
- COPD27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Warner's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women48%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Sloan Warner Jr. wrote 466 Medicare Part D claims in 2024
In 2024, Dr. Warner wrote 466 Medicare Part D claims for 190 patients. 88% of them were for generic drugs. CMS names the drug for 350 of them, across 7 drugs with 11 or more claims each, at $47,808 in total drug cost. In 2023, CMS named 383 claims across 8 drugs.
Dr. Warner's Part D claims by kind of drug, 2024
- Generic412 claims88%
- Brand-name54 claims12%
Dr. Warner'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. Warner's Part D claims, 2024
- Opioids16%74 of 466 claims
- Antibiotics5%23 of 466 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: 3832024: 3509%
Drugs named by CMS: 7 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
How Dr. John Sloan Warner Jr. takes part in Medicare
Dr. Warner accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Varicose vein removal: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. John Sloan Warner Jr. received $6,680 in industry payments from 2016 to 2025
CMS Open Payments shows 116 general payments to Dr. Warner from 28 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 67% of the total. Davol Inc. paid the most, $1,823.
General payments to Dr. Warner by program year, 2016 to 2025
General payments to Dr. Warner by kind, 2016 to 2025
- Food and beverage$4,49067%
- Travel and lodging$2,19033%
Companies that paid Dr. Warner 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. John Sloan Warner Jr. graduated from Vanderbilt University School of Medicine
Dr. Warner graduated from Vanderbilt University School of Medicine in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Sloan Warner Jr.'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 Affiliation DataDmand AI Practice 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)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. John Sloan Warner Jr.
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. John Sloan Warner Jr.'s NPI number?
Dr. John Sloan Warner Jr.'s NPI number is 1780607390. It was assigned on July 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John Sloan Warner Jr.?
Dr. John Sloan Warner Jr. is a general surgeon in Lexington, Kentucky. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. John Sloan Warner Jr. practice?
Dr. Warner practices at One Saint Joseph Drive, Lexington, KY 40504. Dr. Warner also practices at 1 St Joseph Dr, Lexington, KY 40504. Dr. Warner's primary practice is Saint Joseph Hospital in Lexington, Kentucky, part of CommonSpirit Health. Dmand AI also links Dr. Warner to 1 group practice or clinic.
What is Dr. John Sloan Warner Jr.'s office phone number?
The practice phone on file for Dr. Warner is (859) 313-1000.
What is Dr. John Sloan Warner Jr.'s medical license number?
Dr. Warner holds Kentucky license 32614.
Which hospitals is Dr. John Sloan Warner Jr. affiliated with?
Dr. Warner practices at Saint Joseph Hospital in Lexington, Kentucky.
What medical group is Dr. John Sloan Warner Jr. part of?
Dr. Warner is linked to Lexington Clinic.
Does Dr. John Sloan Warner Jr. accept Medicare?
Yes. CMS data shows Dr. Warner billed Medicare for 396 services in 2024, and Dr. Warner accepts Medicare assignment.
How many Medicare patients does Dr. John Sloan Warner Jr. see?
CMS counts 274 Medicare patients who saw Dr. Warner in 2024, with an average age of 75.
What services does Dr. John Sloan Warner Jr. bill to Medicare?
In 2024, Dr. Warner's most billed Medicare services were office visit, new patient (99204), office visit, established patient (99214) and hospital inpatient care (99232).
Show 4 more questionsShow fewer questions
Where did Dr. John Sloan Warner Jr. go to medical school?
Dr. Warner graduated from Vanderbilt University School of Medicine in 1988.
What drugs does Dr. John Sloan Warner Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Warner's most prescribed drugs by claims were Clopidogrel, Hydrocodone-Acetaminophen and Eliquis.
Has Dr. John Sloan Warner Jr. received payments from drug or device companies?
CMS Open Payments shows $6,680 in general payments to Dr. Warner from 28 companies from 2016 to 2025. The largest total came from Davol Inc.
How long has Dr. John Sloan Warner Jr. been practicing?
Dr. Warner graduated from medical school in 1988, 38 years ago.
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