Dr. John Patrick Scally, MD

  • O'Fallon, IL
  • Cardiologist
NPI1508952318PAC ID8527238161
Medicare services, 2024
4,136
Medicare patients, 2024
1,603
Part D claims, 2024
5,504
MIPS score, 2024
95
Hospital affiliations
5
Practice address
1 St Elizabeth Blvd, O'Fallon, IL 62269
Practice phone
Call (217) 492-9651
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

HSHS St. Elizabeth's Hospital

O'Fallon, Illinois

See all 15 affiliations

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Dr. John Patrick Scally is a cardiologist in O'Fallon, Illinois

Dr. Scally practices at HSHS St. Elizabeth's Hospital in O'Fallon, Illinois.

Dr. Scally's NPI, 1508952318, was assigned on October 5, 2006. Dr. Scally graduated from George Washington University School of Medicine in 2000. Dr. Scally holds Illinois license 036128843.

NPI and contact details
Medicare PAC ID
8527238161
NPI enumeration date
October 5, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(217) 492-9651
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
52
Medical school graduation
2000

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. John Patrick Scally practices at HSHS St. Elizabeth's Hospital in O'Fallon, Illinois

Dr. Scally'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 Hospital
    1 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 Patrick Scally is affiliated with 9 sites of care and 6 medical groups

Dr. Scally's primary practice is HSHS St. Elizabeth's Hospital in O'Fallon, Illinois. Dr. Scally is also affiliated with HSHS St. Elizabeth's Hospital. The medical group on file is Prairie Cardiovascular. Dmand AI also links Dr. Scally to 4 more hospitals, 5 medical groups and 3 group practices and clinics, each named with a free account.

See all 15 affiliations for Dr. Scally

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 Patrick Scally's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Scally practices, 8 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
HSHS St. Elizabeth's HospitalAvailable with a free account
+8 more sites and 5 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. John Patrick Scally is one of 908 cardiologists in Illinois

Cardiovascular disease is Dr. Scally's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dmand AI has Dr. Scally's licenses on file in 2 states: Illinois and Indiana.

Specialties and state licenses

  • Cardiovascular disease, IllinoisPrimaryLicense 036128843 · taxonomy 207RC0000X
  • Indiana licenseLicense 01056859A

Cardiologists near Dr. Scally

Counts of cardiologists with a Dmand AI profile, by place and practice. Each opens the list.

908cardiologists in Illinois
7cardiologists in O'Fallon

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. John Patrick Scally billed Medicare for 4,136 services in 2024

CMS data shows 4,136 Medicare services from Dr. Scally across 33 procedure codes in 2024, for 1,603 Medicare patients. Medicare paid $219,790 for them.

Medicare services, 20244,136
Medicare patients1,603
Paid by Medicare$219,790
Procedure codes33

Dr. Scally's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Tests and treatments
2023: 2,7462024: 2,9046%
Office and hospital visits
2023: 1,1202024: 1,0744%
Other services
2023: 2442024: 12350%
Imaging
2023: 462024: 3524%
Lab and pathology
2023: 732024: 0100%

Where Dr. Scally's Medicare services took place, 2024

  • In an office2,20553%
  • In a facility1,93147%

Dr. Scally compared with the Illinois median for cardiologists, 2024

  • Dr. Scally
  • Illinois median
Medicare services
4,136vs 1,9362.1 times
Medicare patients
1,603vs 1,02357% above
Part D claims
5,282vs 1,5023.5 times

Medians across 906 cardiologists in Illinois with Dmand AI profiles that report each measure.

Dr. Scally'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.

See all procedures by Dr. Scally

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. John Patrick Scally treated 1,603 Medicare patients in 2024, average age 76

CMS counts 1,603 Medicare patients who saw Dr. Scally in 2024. The largest group is 75 to 84, with 592 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 15% are also on Medicaid. Their average risk score is 1.74, 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. Scally's median patient age at 71, with 51% women.

Medicare patients, 20241,603
Average age76
Average risk score1.74
Also on Medicaid15%

Dr. Scally's Medicare patients by age, 2024

Dr. Scally's Medicare patients by sex, 2024

  • Women86054%
  • Men74346%

Chronic conditions among Dr. Scally's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis57%
  4. Ischemic heart disease54%
  5. Chronic kidney disease44%
  6. Heart failure43%
  7. Atrial fibrillation42%
  8. Diabetes39%

Share of Medicare patients with each condition. A patient can have several.

Dr. Scally's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 71

Patient panel by sex, all payers

  • Women51%
  • Men48%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. John Patrick Scally wrote 5,504 Medicare Part D claims in 2024

In 2024, Dr. Scally wrote 5,504 Medicare Part D claims for 809 patients. 84% of them were for generic drugs. CMS names the drug for 5,282 of them, across 52 drugs with 11 or more claims each, at $816,653 in total drug cost. In 2023, CMS named 4,915 claims across 50 drugs.

Part D claims, 20245,504
Drugs named by CMS52
Total drug cost$816,653
Part D patients809

Dr. Scally's Part D claims by kind of drug, 2024

  • Generic4,605 claims84%
  • Brand-name899 claims16%

Dr. Scally'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. Scally's Part D claims, 2024

  • Antibiotics0%11 of 5,504 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: 4,9152024: 5,2827%

Drugs named by CMS: 52 in 2024, 50 in 2023.

See all prescribing by Dr. Scally

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 Patrick Scally 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. Scally for performance year 2024, reported through an alternative payment model (APM). Dr. Scally accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Scally'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.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. John Patrick Scally received $4,724 in industry payments from 2016 to 2025

CMS Open Payments shows 72 general payments to Dr. Scally from 13 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 64% of the total. Abbott Laboratories paid the most, $2,739.

General payments to Dr. Scally by program year, 2016 to 2025

General payments to Dr. Scally by kind, 2016 to 2025

$4.7Kin total
  • Travel and lodging$3,04464%
  • Food and beverage$1,68036%

Companies that paid Dr. Scally the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Scally

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. John Patrick Scally graduated from George Washington University School of Medicine

Dr. Scally graduated from George Washington University School of Medicine in 2000.

  1. Medical schoolGeorge Washington University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. John Patrick Scally's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. John Patrick Scally

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 Patrick Scally's NPI number?

Dr. John Patrick Scally's NPI number is 1508952318. It was assigned on October 5, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. John Patrick Scally?

Dr. John Patrick Scally is a cardiologist in O'Fallon, Illinois. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).

Where does Dr. John Patrick Scally practice?

Dr. Scally practices at 1 St Elizabeth Blvd, O'Fallon, IL 62269. Dr. Scally's primary practice is HSHS St. Elizabeth's Hospital in O'Fallon, Illinois. Dmand AI also links Dr. Scally to 4 hospitals, 5 medical groups and 3 group practices and clinics.

What is Dr. John Patrick Scally's office phone number?

The practice phone on file for Dr. Scally is (217) 492-9651.

What is Dr. John Patrick Scally's medical license number?

Dr. Scally holds Illinois license 036128843, one of the licenses on file in 2 states.

Which states has Dr. John Patrick Scally been licensed in?

Dmand AI has state licenses on file for Dr. Scally in Illinois and Indiana.

Which hospitals is Dr. John Patrick Scally affiliated with?

Dr. Scally is affiliated with HSHS St. Elizabeth's Hospital. Dmand AI links Dr. Scally to 4 more hospitals.

What medical group is Dr. John Patrick Scally part of?

Dr. Scally is linked to Prairie Cardiovascular. Dmand AI links Dr. Scally to 5 more medical groups.

Does Dr. John Patrick Scally accept Medicare?

Yes. CMS data shows Dr. Scally billed Medicare for 4,136 services in 2024, and Dr. Scally accepts Medicare assignment.

What is Dr. John Patrick Scally's MIPS score?

Dr. Scally's MIPS final score for performance year 2024 is 95 out of 100, reported through an alternative payment model (APM).

Show 6 more questionsShow fewer questions

How many Medicare patients does Dr. John Patrick Scally see?

CMS counts 1,603 Medicare patients who saw Dr. Scally in 2024, with an average age of 76.

What services does Dr. John Patrick Scally bill to Medicare?

In 2024, Dr. Scally's most billed Medicare services were heart test or procedure (93010), office visit, established patient (99214) and heart test or procedure (93306).

Where did Dr. John Patrick Scally go to medical school?

Dr. Scally graduated from George Washington University School of Medicine in 2000.

What drugs does Dr. John Patrick Scally prescribe most?

In 2024 Medicare Part D data, Dr. Scally's most prescribed drugs by claims were Eliquis, Atorvastatin Calcium and Metoprolol Succinate.

Has Dr. John Patrick Scally received payments from drug or device companies?

CMS Open Payments shows $4,724 in general payments to Dr. Scally from 13 companies from 2016 to 2025. The largest total came from Abbott Laboratories.

How long has Dr. John Patrick Scally been practicing?

Dr. Scally graduated from medical school in 2000, 26 years ago.

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