NPPES file of Aug 9, 2026

Gregory A. Ewald, MD

Advanced Heart Failure and Transplant Cardiology Physician · Saint Louis, MO

Gregory A. Ewald, MD is an advanced heart failure and transplant cardiology physician with a practice address in Saint Louis, Missouri, and NPI 1073557401, issued on Jun 15, 2006. Check the license (Missouri R7P09, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1073557401
Name
Gregory A. Ewald
Credential
MD
Primary taxonomy
Advanced Heart Failure and Transplant Cardiology Physician 207RA0001X
License number
R7P09 MO
Self-reported in NPPES; status is on the state search
Practice location
4921 Parkview PL, Saint Louis, MO 63110
Phone
(314) 362-1291
Enumerated
Jun 15, 2006
Record last updated
Apr 17, 2025
Fax
(314) 454-8855
Medicaid ID
206951600 MO
Medicare enrollment
Enrolled (PECOS I20050613000006); accepts Medicare assignment
Medical or professional school
Northwestern University Feinberg Medical School, 1989
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 4921 Parkview PL

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

  1. Mohammed Abbasi, MDPulmonary Disease Physician1497097083
  2. Helen Adams, AGNPGerontology Nurse Practitioner1730836776
  3. Muyibat Adelani, MDAdult Reconstructive Orthopaedic Surgery Physician1396908042
  4. Foluso Ademuyiwa, MDMedical Oncology Physician1083875538
  5. Syed Adil, MDAdult Reconstructive Orthopaedic Surgery Physician1467942953
  6. Homaa Ahmad, MDCardiovascular Disease Physician1477635092

Verify Gregory A. Ewald in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license R7P09
    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
Open the Missouri license search

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3.4 times the Medicare Part D claims of the average advanced heart failure and transplant cardiology physician in 2024

6,760 Medicare Part D claims for 655 beneficiaries, against an average of 1,965 among the 1,124 providers of this specialty who prescribed in Part D.

  1. Gregory Ewald6,760
  2. Specialty average1,965

Most prescribed

  1. Spironolactone622 claims
  2. Entresto565 claims
  3. Carvedilol523 claims
  4. Metoprolol Succinate455 claims
  5. Furosemide335 claims
  6. Losartan Potassium329 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 practice group's MIPS final score for 2023 (Medicare payment program): 79.3 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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 score71.5
  2. Costout of 100 · 30%59.5
  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, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $319.20

4 payments; by number, the most common kind was food and beverage; the largest payer was Abiomed. The 1,027 providers of this specialty with any payment received $10,265.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Gregory Ewald$319
  2. Specialty average$10,266

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

Bills Medicare through 2 group practices

  1. Heart Care Institute LLCCreve Coeur, MO
  2. Washington UniversitySaint Louis, MO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Advanced Heart Failure and Transplant Cardiology Physician providers in Missouri

There are 28 advanced heart failure and transplant cardiology physician records in Missouri.

Other advanced heart failure and transplant cardiology physician records in Missouri

  1. Bethany Austin, MDKansas City, MO1720258122
  2. Venugopal B Bhattad, M.D.Columbia, MO1568879294
  3. Jonathan Davis, M.D.Saint Louis, MO1538303276
  4. Mark Everley, MDKansas City, MO1366612996
  5. Timothy Fendler, MDLees Summit, MO1639490030
  6. Edward Geltman, MDSaint Louis, MO1255357562
  7. Justin Hartupee, MDSaint Louis, MO1053632422
  8. Ali Javaheri, MDSaint Louis, MO1740449354
  9. Andrew Kao, MDKansas City, MO1730147224
  10. Michael Katsnelson, MDSaint Louis, MO1629504436

Common questions

What is Gregory A. Ewald, MD's NPI number?

Gregory A. Ewald, MD's National Provider Identifier (NPI) is 1073557401, issued on Jun 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gregory A. Ewald, MD located?

The NPPES record lists a practice address at 4921 Parkview PL, Saint Louis, MO, 63110. Phone: (314) 362-1291. Providers update this record themselves, so call before visiting.

How can I verify Gregory A. Ewald, MD's license?

NPPES lists Missouri license number R7P09, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Gregory A. Ewald, MD prescribe under Medicare Part D?

In 2024, Gregory A. Ewald, MD had 6,760 Medicare Part D claims for 655 beneficiaries; the average among advanced heart failure and transplant cardiology physician prescribers was 1,965. Part D covers Medicare prescriptions only.

What is Gregory A. Ewald, MD's MIPS final score?

The 2023 MIPS final score is 79.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.