Dr. John Douglas Sadoff, MD
- Medicare services, 2024
- 257
- Medicare patients, 2024
- 184
- Part D claims, 2024
- 139
- MIPS score, 2024
- 95
- Hospital affiliations
- 3
- Practice address
- 1 St Elizabeth Blvd, O'Fallon, IL 62269
- Practice phone
- Call (217) 492-9651
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
HSHS St. Elizabeth's Hospital
O'Fallon, Illinois
Find Dr. Sadoff'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. John Douglas Sadoff is a cardiothoracic surgeon in O'Fallon, Illinois
Dr. Sadoff practices at HSHS St. Elizabeth's Hospital in O'Fallon, Illinois.
Dr. Sadoff's NPI, 1619973765, was assigned on June 23, 2005. Dr. Sadoff holds Illinois license 036110178.
- NPI
- 1619973765NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1456252907
- NPI enumeration date
- June 23, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (217) 492-9651
- 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 Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Douglas Sadoff practices at HSHS St. Elizabeth's Hospital in O'Fallon, Illinois
Dr. Sadoff's primary practice is HSHS St. Elizabeth's Hospital, at 1 St Elizabeth Blvd, O'Fallon, IL 62269 in Saint Clair County. The practice phone is (217) 492-9651.
- HSHS St. Elizabeth's Hospital1 St Elizabeth Blvd, O'Fallon, IL 62269 · Saint Clair CountyPhone(217) 492-9651
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John Douglas Sadoff is affiliated with 7 sites of care and 2 medical groups
Dr. Sadoff's primary practice is HSHS St. Elizabeth's Hospital in O'Fallon, Illinois. Dr. Sadoff is also affiliated with HSHS St. Elizabeth's Hospital. The medical group on file is Prairie Cardiovascular. Dmand AI also links Dr. Sadoff to 2 more hospitals, 2 group practices and clinics, 1 home health agency and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Douglas Sadoff's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sadoff practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| HSHS St. Elizabeth's Hospital | 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. John Douglas Sadoff is one of 208 cardiothoracic surgeons in Illinois
Thoracic surgery (cardiothoracic vascular surgery) is Dr. Sadoff's primary specialty in the NPI Registry, under taxonomy code 208G00000X. Dr. Sadoff is licensed in Illinois.
Specialties and state licenses
- Thoracic surgery (cardiothoracic vascular surgery), IllinoisPrimary
Cardiothoracic surgeons near Dr. Sadoff
Counts of cardiothoracic 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 Douglas Sadoff billed Medicare for 257 services in 2024
CMS data shows 257 Medicare services from Dr. Sadoff across 9 procedure codes in 2024, for 184 Medicare patients. Medicare paid $59,822 for them.
Dr. Sadoff's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1402024: 18230%
- Surgery
- 2023: 492024: 5410%
- Imaging
- 2023: 162024: 2131%
Where Dr. Sadoff's Medicare services took place, 2024
- In an office13753%
- In a facility12047%
Dr. Sadoff compared with the Illinois median for cardiothoracic surgeons, 2024
- Dr. Sadoff
- Illinois median
- Medicare services
- 257vs 16457% above
- Medicare patients
- 184vs 13536% above
- Part D claims
- 64vs 193.4 times
Medians across 174 cardiothoracic surgeons in Illinois with Dmand AI profiles that report each measure.
Dr. Sadoff'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. Sadoff and other cardiothoracic surgeons in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Douglas Sadoff treated 184 Medicare patients in 2024, average age 76
CMS counts 184 Medicare patients who saw Dr. Sadoff in 2024. The largest group is 75 to 84, with 81 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 8% are also on Medicaid. Their average risk score is 1.69, 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. Sadoff's median patient age at 72, with 34% women.
Dr. Sadoff's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Sadoff's Medicare patients by sex, 2024
- Women8345%
- Men10155%
Chronic conditions among Dr. Sadoff's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease70%
- Arthritis57%
- COPD41%
- Chronic kidney disease38%
- Heart failure37%
- Cancer36%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sadoff's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women34%
- Men65%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Douglas Sadoff wrote 139 Medicare Part D claims in 2024
In 2024, Dr. Sadoff wrote 139 Medicare Part D claims for 37 patients. 93% of them were for generic drugs. CMS names the drug for 64 of them, across 4 drugs with 11 or more claims each, at $328 in total drug cost. In 2023, CMS named 77 claims across 3 drugs.
Dr. Sadoff's Part D claims by kind of drug, 2024
- Generic129 claims93%
- Brand-name and other10 claims7%
Dr. Sadoff'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. Sadoff's Part D claims, 2024
- Opioids14%19 of 139 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: 772024: 6417%
Drugs named by CMS: 4 in 2024, 3 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. John Douglas Sadoff scored 95 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. Sadoff for performance year 2024, reported through an alternative payment model (APM). Dr. Sadoff accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 18 procedures of coronary artery bypass graft (cabg) by Dr. Sadoff, more than 63% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Sadoff's MIPS scores, performance year 2024
- 95of 100Final score
- 86of 100Quality
- 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. Sadoff ranks in Medicare procedure volume
- Coronary artery bypass graft (CABG)
- 63rd percentile18 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. John Douglas Sadoff received $15,783 in industry payments from 2016 to 2025
CMS Open Payments shows 223 general payments to Dr. Sadoff from 38 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 67% of the total. Medtronic, Inc. paid the most, $3,536.
General payments to Dr. Sadoff by program year, 2016 to 2025
General payments to Dr. Sadoff by kind, 2016 to 2025
- Food and beverage$10,62467%
- Speaker and faculty fees$2,25014%
- Travel and lodging$2,24714%
- Consulting fees$6634%
Companies that paid Dr. Sadoff 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. John Douglas Sadoff's profile data
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. John Douglas Sadoff
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 Douglas Sadoff's NPI number?
Dr. John Douglas Sadoff's NPI number is 1619973765. It was assigned on June 23, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. John Douglas Sadoff?
Dr. John Douglas Sadoff is a cardiothoracic surgeon in O'Fallon, Illinois. The primary specialty in the NPI Registry is Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (taxonomy code 208G00000X).
Where does Dr. John Douglas Sadoff practice?
Dr. Sadoff practices at 1 St Elizabeth Blvd, O'Fallon, IL 62269. Dr. Sadoff's primary practice is HSHS St. Elizabeth's Hospital in O'Fallon, Illinois. Dmand AI also links Dr. Sadoff to 2 hospitals, 2 group practices and clinics, 1 home health agency and 1 medical group.
What is Dr. John Douglas Sadoff's office phone number?
The practice phone on file for Dr. Sadoff is (217) 492-9651.
What is Dr. John Douglas Sadoff's medical license number?
Dr. Sadoff holds Illinois license 036110178.
Which hospitals is Dr. John Douglas Sadoff affiliated with?
Dr. Sadoff is affiliated with HSHS St. Elizabeth's Hospital. Dmand AI links Dr. Sadoff to 2 more hospitals.
What medical group is Dr. John Douglas Sadoff part of?
Dr. Sadoff is linked to Prairie Cardiovascular. Dmand AI links Dr. Sadoff to 1 more medical group.
Does Dr. John Douglas Sadoff accept Medicare?
Yes. CMS data shows Dr. Sadoff billed Medicare for 257 services in 2024, and Dr. Sadoff accepts Medicare assignment.
What is Dr. John Douglas Sadoff's MIPS score?
Dr. Sadoff's MIPS final score for performance year 2024 is 95 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. John Douglas Sadoff see?
CMS counts 184 Medicare patients who saw Dr. Sadoff in 2024, with an average age of 76.
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What services does Dr. John Douglas Sadoff bill to Medicare?
In 2024, Dr. Sadoff's most billed Medicare services were office visit, established patient (99214), office visit, new patient (99205) and office visit, established patient (99213).
What drugs does Dr. John Douglas Sadoff prescribe most?
In 2024 Medicare Part D data, Dr. Sadoff's most prescribed drugs by claims were Metoprolol Succinate, Atorvastatin Calcium and Tramadol HCl.
Has Dr. John Douglas Sadoff received payments from drug or device companies?
CMS Open Payments shows $15,783 in general payments to Dr. Sadoff from 38 companies from 2016 to 2025. The largest total came from Medtronic, Inc.
How long has Dr. John Douglas Sadoff been practicing?
Dr. Sadoff graduated from medical school in 2001, 25 years ago.
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