Steven M. Mackay, D.O.
Interventional Cardiology Physician · Columbia, MO
Steven M. Mackay, D.O. is an interventional cardiology physician with a practice address in Columbia, Missouri, and NPI 1942254834, issued on May 22, 2006. Check the license (Missouri 2021034001, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Steven M. Mackay
- Credential
- D.O.
- Primary taxonomy
- Interventional Cardiology Physician 207RI0011X
- License number
- 2021034001 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1605 E Broadway Ste 300, Columbia, MO 65201
- Phone
- (573) 256-7700
- Enumerated
- May 22, 2006
- Record last updated
- Feb 21, 2025
- Fax
- (573) 256-3003
- Medicare enrollment
- Enrolled (PECOS I20210913001741); accepts Medicare assignment
- Medical or professional school
- Midwestern University, Chicago College Of Osteopathic Med, 1988
- Entity
- Type 1 · individual
8 nearest interventional cardiology physician records → All 200 in Missouri → Look up another NPI →
Also registered at 1605 E Broadway Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Prakash Acharya, M.D.Interventional Cardiology Physician1912306895
- John Baird, M.D.Cardiovascular Disease Physician1659363919
- John Boyer, M.D.Cardiovascular Disease Physician1912999285
- David Brown, M.D.Cardiovascular Disease Physician1821080193
- Michael Brown, M.D.Interventional Cardiology Physician1760500987
- Hillary Burks, FNPFamily Nurse Practitioner1891205357
Verify Steven M. Mackay in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 2021034001Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% more Medicare Part D claims than the average interventional cardiology physician in 2024
4,575 Medicare Part D claims for 574 beneficiaries, against an average of 3,179 among the 6,605 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Rosuvastatin Calcium351 claims
- Atorvastatin Calcium343 claims
- Metoprolol Tartrate307 claims
- Losartan Potassium301 claims
- Lisinopril271 claims
- Metoprolol Succinate249 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): 100 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $966.31
44 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 6,394 providers of this specialty with any payment received $7,062.29 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- BrhcSedalia, MO
- Chas Physician Services LLCColumbia, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Steven M. Mackay among 200 interventional cardiology physician records in Missouri
Steven M. Mackay, D.O. is one of 200 interventional cardiology physician records with a practice address in Missouri. 95% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 49% newer
- In a Medicare fileYes · 95% of these records are
- In the CMS Doctors and Clinicians fileYes · 86% of these records are
- Graduated1988 · median 2000 among the 171 with a school on file
- Record last updated2025 · 39% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0011X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Interventional Cardiology Physician providers in Missouri
There are 200 interventional cardiology physician records in Missouri.
All 200 in Missouri → Every provider in Columbia → Interventional Cardiology Physician nationwide →
The 8 interventional cardiology physician records with the nearest ZIP codes
- Prakash Acharya, M.D.Columbia, MO 652011912306895
- Michael Brown, M.D.Columbia, MO 652011760500987
- Neha Goyal, MBBS, MDColumbia, MO 652011255629119
- Trung Tran, M.D.Columbia, MO 652011710189592
- Albert Chan, M.D.Columbia, MO 652121669598629
- Kristina Gifft, D.O.Columbia, MO 652121427588235
- Taishi Hirai, MDColumbia, MO 652121932495165
- Poorna Karuparthi, M.D.Columbia, MO 652121225235286
Common questions
What is Steven M. Mackay, D.O.'s NPI number?
Steven M. Mackay, D.O.'s National Provider Identifier (NPI) is 1942254834, issued on May 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Steven M. Mackay, D.O. located?
The NPPES record lists a practice address at 1605 E Broadway Ste 300, Columbia, MO, 65201. Phone: (573) 256-7700. Providers update this record themselves, so call before visiting.
How can I verify Steven M. Mackay, D.O.'s license?
NPPES lists Missouri license number 2021034001, 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 Steven M. Mackay, D.O. prescribe under Medicare Part D?
In 2024, Steven M. Mackay, D.O. had 4,575 Medicare Part D claims for 574 beneficiaries; the average among interventional cardiology physician prescribers was 3,179. Part D covers Medicare prescriptions only.
What is Steven M. Mackay, D.O.'s MIPS final score?
The 2023 MIPS final score is 100 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.