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Dr. Steven M. MacKay, DO
NPI1942254834PAC ID3577713924
- Medicare services, 2024
- 3,238
- Medicare patients, 2024
- 1,036
- Part D claims, 2024
- 4,575
- Publications
- 1
- Hospital affiliations
- 5
- Practice address
- 1605 E Broadway, Columbia, MO 65201
- Practice phone
- Call (573) 256-7700
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Chas Physician Services
Columbia, Missouri
Find Dr. MacKay'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. Steven M. MacKay is an interventional cardiologist in Columbia, Missouri
Dr. MacKay practices at Chas Physician Services in Columbia, Missouri.
Dr. MacKay's NPI, 1942254834, was assigned on May 22, 2006. Dr. MacKay graduated from Midwestern University, Chicago College of Osteopathic Med in 1988. Dr. MacKay holds Missouri license 2021034001.
NPI and contact details
- NPI
- 1942254834NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3577713924
- NPI enumeration date
- May 22, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (573) 256-7700
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Steven M. MacKay practices at Chas Physician Services in Columbia, Missouri
Dr. MacKay's primary practice is Chas Physician Services, at 1605 E Broadway, Columbia, MO 65201 in Boone County. The practice phone is (573) 256-7700.
- Chas Physician Services1605 E Broadway, Columbia, MO 65201 · Boone CountyPhone(573) 256-7700
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Steven M. MacKay is affiliated with 9 sites of care and 4 medical groups
Dr. MacKay's primary practice is Chas Physician Services in Columbia, Missouri. Dr. MacKay is also affiliated with Boone Health. The medical group on file is Missouri Heart Center. Dmand AI also links Dr. MacKay to 4 more hospitals, 3 group practices and clinics and 3 medical groups, each named with a free account.
Chas Physician ServicesPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Steven M. MacKay's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. MacKay practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Chas Physician Services | Available with a free account |
| +8 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Steven M. MacKay is one of 152 interventional cardiologists in Missouri
Interventional cardiology is Dr. MacKay's primary specialty in the NPI Registry, under taxonomy code 207RI0011X. Dr. MacKay is licensed in Missouri.
Specialties and state licenses
- Interventional cardiology, MissouriPrimary
Interventional cardiologists near Dr. MacKay
Counts of interventional cardiologists 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. Steven M. MacKay billed Medicare for 3,238 services in 2024
CMS data shows 3,238 Medicare services from Dr. MacKay across 33 procedure codes in 2024, for 1,036 Medicare patients. Medicare paid $135,493 for them.
Medicare services, 20243,238
Medicare patients1,036
Paid by Medicare$135,493
Procedure codes33
Dr. MacKay's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 2,0722024: 2,2669%
- Office and hospital visits
- 2023: 6132024: 75623%
- Other services
- 2023: 1422024: 9632%
- Imaging
- 2023: 742024: 688%
- Drugs given in the office
- 2023: 1522024: 5266%
Where Dr. MacKay's Medicare services took place, 2024
- In an office2,18868%
- In a facility1,05032%
Dr. MacKay compared with the Missouri median for interventional cardiologists, 2024
- Dr. MacKay
- Missouri median
- Medicare services
- 3,238vs 1,81678% above
- Medicare patients
- 1,036vs 77434% above
- Part D claims
- 4,293vs 3,35228% above
Medians across 160 interventional cardiologists in Missouri with Dmand AI profiles that report each measure.
Dr. MacKay'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. MacKay and other interventional cardiologists in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Steven M. MacKay treated 1,036 Medicare patients in 2024, average age 76
CMS counts 1,036 Medicare patients who saw Dr. MacKay in 2024. The largest group is 75 to 84, with 400 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 7% are also on Medicaid. Their average risk score is 1.41, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. MacKay's median patient age at 72, with 45% women.
Medicare patients, 20241,036
Average age76
Average risk score1.41
Also on Medicaid7%
Dr. MacKay's Medicare patients by age, 2024
Dr. MacKay's Medicare patients by sex, 2024
- Women47546%
- Men56154%
Chronic conditions among Dr. MacKay's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease61%
- Arthritis49%
- Atrial fibrillation38%
- Heart failure36%
- Diabetes35%
- COPD27%
Share of Medicare patients with each condition. A patient can have several.
Dr. MacKay'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
- Women45%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Steven M. MacKay wrote 4,575 Medicare Part D claims in 2024
In 2024, Dr. MacKay wrote 4,575 Medicare Part D claims for 574 patients. 86% of them were for generic drugs. CMS names the drug for 4,293 of them, across 47 drugs with 11 or more claims each, at $517,208 in total drug cost. In 2023, CMS named 2,928 claims across 41 drugs.
Part D claims, 20244,575
Drugs named by CMS47
Total drug cost$517,208
Part D patients574
Dr. MacKay's Part D claims by kind of drug, 2024
- Generic3,923 claims86%
- Brand-name652 claims14%
Dr. MacKay'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. MacKay's Part D claims, 2024
- Antibiotics0%19 of 4,575 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: 2,9282024: 4,29347%
Drugs named by CMS: 47 in 2024, 41 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. Steven M. MacKay ranks in the 68th percentile for coronary angioplasty and stenting in Medicare
Dr. MacKay accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 32 procedures of coronary angioplasty and stenting by Dr. MacKay, more than 68% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. MacKay ranks in Medicare procedure volume
- Coronary angioplasty and stenting
- 68th percentile32 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Pacemaker insertion or repair: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Steven M. MacKay has 1 publication on record
Dmand AI links 1 paper to Dr. MacKay.
Papers1
Recent publications by Dr. MacKay
See who Dr. MacKay researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. MacKay works with, so you can find a warm path to the right interventional cardiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Steven M. MacKay received $9,010 in industry payments from 2016 to 2025
CMS Open Payments shows 297 general payments to Dr. MacKay from 35 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 83% of the total. Abbott Laboratories paid the most, $3,398.
General payments to Dr. MacKay by program year, 2016 to 2025
General payments to Dr. MacKay by kind, 2016 to 2025
$9Kin total
- Food and beverage$7,45683%
- Travel and lodging$1,36315%
- Education$991%
- Gifts$921%
Companies that paid Dr. MacKay the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Steven M. MacKay graduated from Midwestern University, Chicago College of Osteopathic Med
Dr. MacKay graduated from Midwestern University, Chicago College of Osteopathic Med in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Steven M. MacKay's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Steven M. MacKay
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. Steven M. MacKay's NPI number?
Dr. Steven M. MacKay's NPI number is 1942254834. It was assigned on May 22, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Steven M. MacKay?
Dr. Steven M. MacKay is an interventional cardiologist in Columbia, Missouri. The primary specialty in the NPI Registry is Interventional Cardiology Physician (taxonomy code 207RI0011X).
Where does Dr. Steven M. MacKay practice?
Dr. MacKay practices at 1605 E Broadway, Columbia, MO 65201. Dr. MacKay's primary practice is Chas Physician Services in Columbia, Missouri. Dmand AI also links Dr. MacKay to 4 hospitals, 3 group practices and clinics and 3 medical groups.
What is Dr. Steven M. MacKay's office phone number?
The practice phone on file for Dr. MacKay is (573) 256-7700.
What is Dr. Steven M. MacKay's medical license number?
Dr. MacKay holds Missouri license 2021034001.
Which hospitals is Dr. Steven M. MacKay affiliated with?
Dr. MacKay is affiliated with Boone Health. Dmand AI links Dr. MacKay to 4 more hospitals.
What medical group is Dr. Steven M. MacKay part of?
Dr. MacKay is linked to Missouri Heart Center. Dmand AI links Dr. MacKay to 3 more medical groups.
Does Dr. Steven M. MacKay accept Medicare?
Yes. CMS data shows Dr. MacKay billed Medicare for 3,238 services in 2024, and Dr. MacKay accepts Medicare assignment.
How many Medicare patients does Dr. Steven M. MacKay see?
CMS counts 1,036 Medicare patients who saw Dr. MacKay in 2024, with an average age of 76.
What services does Dr. Steven M. MacKay bill to Medicare?
In 2024, Dr. MacKay's most billed Medicare services were heart test or procedure (93000), office visit, established patient (99214) and heart test or procedure (93793).
Show 5 more questionsShow fewer questions
Where did Dr. Steven M. MacKay go to medical school?
Dr. MacKay graduated from Midwestern University, Chicago College of Osteopathic Med in 1988.
What drugs does Dr. Steven M. MacKay prescribe most?
In 2024 Medicare Part D data, Dr. MacKay's most prescribed drugs by claims were Rosuvastatin Calcium, Atorvastatin Calcium and Metoprolol Tartrate.
Has Dr. Steven M. MacKay received payments from drug or device companies?
CMS Open Payments shows $9,010 in general payments to Dr. MacKay from 35 companies from 2016 to 2025. The largest total came from Abbott Laboratories.
How long has Dr. Steven M. MacKay been practicing?
Dr. MacKay graduated from medical school in 1988, 38 years ago.
Does Dr. Steven M. MacKay do research?
Dmand AI links 1 publication to Dr. MacKay.
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