Registry data as of Aug 27, 2026

John Scally, MD

Specialist · O Fallon, IL

John Scally, MD is a specialist with a practice address in O Fallon, Illinois, and NPI 1508952318, issued on Oct 5, 2006. Check the license (Illinois 036128843, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1508952318
Name
John Scally
Credential
MD
Primary taxonomy
Specialist 174400000X
License numbers
036128843 IL
036090218 IL
01056859A IN
Self-reported in NPPES; status is on the state search
Practice location
Three Saint Elizabeth Blvd Ste 2800, O Fallon, IL 62269
Phone
(618) 233-6044
Enumerated
Oct 5, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at Three Saint Elizabeth Blvd Ste 2800

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Venkatesh Anjan, M.D.Cardiovascular Disease Physician1275799850
  2. Dana Baugher, FNPCardiovascular Disease Physician1497268965
  3. Thomas Cahill, MDCardiovascular Disease Physician1023128113
  4. Regina Chiu, M.D.Cardiovascular Disease Physician1043272693
  5. Katherine Corbin, NP-CCardiovascular Disease Physician1710433768
  6. Pavan Gupta, MDHospitalist Physician1861519563

Verify John Scally in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 036128843
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

3.6 times the Medicare Part D claims of the average specialist in 2024

5,504 Medicare Part D claims for 809 beneficiaries, against an average of 1,524 among the 12,477 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.

  1. John Scally5,504
  2. Specialty average1,524

Most prescribed

  1. Eliquis472 claims
  2. Atorvastatin Calcium412 claims
  3. Metoprolol Succinate401 claims
  4. Rosuvastatin Calcium399 claims
  5. Metoprolol Tartrate310 claims
  6. Amlodipine Besylate288 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The Medicare quality score for 2023: 94.6 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score85.2
  2. Costout of 100 · 30%
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $2,259.56

20 payments, mostly food and beverage; the largest payer was Edwards Lifesciences Corporation. The 9,482 providers of this specialty with any payment received $4,756.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Scally$2,259.56
  2. Specialty average$4,756.65

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

4 hospital and facility affiliations

  1. Hshs Holy Family Hospital IncGreenville, IL · Acute Care Hospitals3 of 5 stars
  2. Prairie Cardiovascular Consultants LtdO Fallon, IL
  3. St Elizabeths Hospital OF The Hospital Sisters OF The Third OrderO Fallon, IL
  4. St Josephs Hospital OF The Hospital Sisters OF The Third Order OF St FHighland, IL

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Specialist providers in Illinois

There are 1,419 specialist records in Illinois.

Other specialist records in Illinois

  1. Sandra . Drewes, MDWinfield, IL1518056670
  2. Laketa AaronBellwood, IL1508508490
  3. Carrie Abbott-Walk, M.ED, DTDekalb, IL1841496171
  4. Suhair Abdel-Jalil, MDEvanston, IL1174572929
  5. Babak Abdollahshamshirsaz, M.D.Chicago, IL1447585765
  6. Syed Abdul-Aziz, MDBelleville, IL1114906005
  7. Steven Abern, M.D.Park Ridge, IL1922027424
  8. Richard AbramsChicago, IL1003992413
  9. Cherie AdamsEvanston, IL1063645810
  10. Robyn AdamsHerrin, IL1245216282

Common questions

What is John Scally, MD's NPI number?

John Scally, MD's National Provider Identifier (NPI) is 1508952318, issued on Oct 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John Scally, MD located?

The NPPES record lists a practice address at Three Saint Elizabeth Blvd Ste 2800, O Fallon, IL, 62269. Phone: (618) 233-6044. Providers update this record themselves, so call before visiting.

How can I verify John Scally, MD's license?

NPPES lists Illinois license number 036128843, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does John Scally, MD prescribe under Medicare Part D?

In 2024, John Scally, MD had 5,504 Medicare Part D claims for 809 beneficiaries; the average among specialist prescribers was 1,524. Part D covers Medicare prescriptions only.

What is John Scally, MD's Medicare quality score?

The 2023 MIPS final score is 94.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.