DR. STEVEN M MACKAY D.O.
NPI 1942254834
Internal Medicine - Interventional Cardiology in Columbia, MO

Q: What is Steven Mackay's NPI number?

The NPI number for Steven Mackay is 1942254834. It was assigned to this individual provider in the NPPES registry on May 22, 2006.

Q: What is Steven Mackay's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.

Q: When was this NPI record last updated?

The NPPES record for Steven Mackay was last updated on February 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since May 22, 2006PECOS EnrolledAccepts Medicare Assignment

100/100

CMS Quality Rating

1605 E BROADWAY STE 300, COLUMBIA, MO 65201(573) 256-7700(573) 256-3003 Get Directions Write a Review

NPPES record last updated: February 21, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Feb 21, 2025, Jul 28, 2023 (2 updates tracked since 2023).

On this page

About Dr. Steven M Mackay D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. STEVEN M MACKAY D.O. (NPI 1942254834) is an individual interventional cardiology provider in Columbia, Missouri, licensed in Missouri (2021034001) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Bothwell Regional Health Center, and is a graduate of Other (1998).

NPPES Registry Identity

NPI1942254834

Entity TypeIndividualMale

Primary Taxonomy207RI0011X

Provider Legal NameDR. STEVEN M MACKAYCredential: D.O.

Location Address1605 E BROADWAY STE 300Columbia, MO 65201-8023

Mailing Address1605 E Broadway Ste 300Columbia, MO 65201-8023 · (573) 256-7700 · Fax (573) 256-3003

Phone(573) 256-7700

Fax(573) 256-3003

Sole ProprietorNo

Medical School CMSOtherGraduated 1998

Enumeration DateMay 22, 2006

Last NPPES UpdateFebruary 21, 20252 updates tracked since enumeration

NPPES CertifiedFebruary 21, 2025

✔ NPI 1942254834 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Interventional CardiologyAllopathic & Osteopathic Physicians

Taxonomy Code207RI0011X

License✔ Licensed in MO · 2021034001

Definition

An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical procedures and medications to treat abnormalities that impair the function of the cardiovascular system.

Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License 2021034001 (MO)

1605 E BROADWAY STE 300, Columbia, MO 65201

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Kansas City, Blue Cross Blue Shield of North Dakota and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Steven M Mackay D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3577713924

PECOS Enrollment IDI20210913001741, I20260630004036

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Steven Mackay reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Chas Physician Services, LLC

Same address

Pulmonary Disease

1605 E BROADWAY, SUITE 110
Columbia, MO 65201

Reassigned Medicare billing, Missouri enrollment
36 clinicians in this Medicare group

NPI 1326312976 (573) 815-7119

Brhc

52 mi

Cardiovascular Disease

3700 W 10TH STREET, SUITE 200
Sedalia, MO 65301

Reassigned Medicare billing, Missouri enrollment
10 clinicians in this Medicare group

NPI 1528348786 (660) 827-1771

Fisher-Titus Medical Care LLC

540 mi

Family Medicine

272 BENEDICT AVENUE
Norwalk, OH 44857

Reassigned Medicare billing, Ohio enrollment
137 clinicians in this Medicare group

NPI 1467636399 (419) 668-8101

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 37

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

638 services498 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

387 services339 patients

Anticoagulant management of patient taking warfarin 93793

Anticoagulant management with warfarin involves monitoring and adjusting your medication to prevent blood clots while minimizing the risk of bleeding. Regular blood tests measure your response to warfarin, helping adjust your dose if necessary. It's crucial to maintain a consistent diet and promptly report any changes in your health.

288 services24 patients

Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days 93296

This procedure involves remotely monitoring your pacemaker or implantable defibrillator system. Over a 90-day period, we check the device's performance and your heart's activity. This helps ensure the device is functioning properly and providing the best possible support for your heart health.

226 services75 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

200 services199 patients

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

163 services144 patients

Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days 93294

This procedure evaluates your pacemaker system remotely for up to 90 days. It checks whether single, dual, multiple lead, or leadless pacemakers are working properly. It's a safe, convenient way to ensure your heart device is functioning optimally.

141 services47 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

131 services63 patients

Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist 93458

This procedure involves placing a tube into your left lower heart chamber and coronary artery. It helps doctors diagnose heart conditions by allowing them to view these areas in detail. A radiologist will review the images to ensure accurate diagnosis.

89 services89 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

88 services88 patients

Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days 93295

This procedure involves remotely monitoring your implantable defibrillator system, which can have single, dual, or multiple leads. Over a period of up to 90 days, the system's performance is evaluated to ensure it's working properly and providing the necessary heart rhythm support.

86 services28 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician 93016

An exercise or drug-induced heart stress test with ECG involves monitoring your heart's activity while it's under stress, either from exercise or medication. A doctor supervises the entire procedure to ensure safety and accuracy in results. This test helps detect heart problems.

70 services70 patients

Physician review, interpretation, and patient management of home inr testing for patient with either mechanical heart valve(s), chronic atrial fibrillation, or venous thromboembolism who meets medicare coverage criteria; testing not occurring more frequent G0250

This service involves your doctor evaluating your home INR (a blood clotting test) results. It's for patients with a mechanical heart valve, chronic atrial fibrillation, or venous thromboembolism who meet specific criteria. It helps manage your treatment, but tests aren't conducted frequently.

66 services11 patients

Heart muscle strain imaging 93356

Heart muscle strain imaging is a non-invasive test that uses sound waves to create pictures of your heart. It helps doctors evaluate how well your heart muscle is working and detect any damage or disease. This can aid in diagnosing heart conditions and guiding treatment plans.

56 services56 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

53 services41 patients

Injection, regadenoson, 0.1 mg J2785

Regadenoson injection, 0.1 mg, is a medication used to help visualize the heart during a stress test. It works by increasing blood flow in the arteries of the heart. It's injected into a vein and is generally well-tolerated.

52 services13 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 93018

An exercise or drug-induced heart stress test with ECG is a procedure to assess how your heart functions under stress. It can involve exercising or medication to make your heart work harder while an ECG records its activity. A physician reviews the results.

49 services49 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

46 services46 patients

Nuclear medicine studies of heart muscle at rest and with stress and spect 78452

Nuclear medicine studies of the heart involve two parts: rest and stress. During rest, images are taken of your heart at ease. During stress, images are taken after exercise or medication-induced stress. SPECT is a special imaging technique providing 3D pictures of your heart, helping identify any issues.

41 services41 patients

Insertion of stents with balloon dilation of coronary artery or branch, single artery or branch 92928

This procedure involves placing a small, mesh tube (stent) in your coronary artery to keep it open. A balloon is used to expand the stent and artery, improving blood flow to your heart. It's typically done for a single artery or branch.

39 services32 patients

Technetium tc-99m sestamibi, diagnostic, per study dose A9500

Technetium Tc-99m Sestamibi is a diagnostic test used to create images of your heart or breast tissues. It involves a safe radioactive substance injection that helps doctors to detect any abnormalities or changes in these tissues.

30 services15 patients

Ultrasound evaluation of heart blood vessel or graft with review by radiologist, initial vessel 92978

This procedure involves using ultrasound technology to examine the first vessel of your heart or graft. A radiologist will review the images. It's a non-invasive way to check the health of your heart's blood vessels.

29 services28 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

29 services28 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

26 services26 patients

Ultrasound evaluation of heart blood vessel during diagnosis or treatment, initial vessel 93571

This procedure involves using ultrasound technology to examine the first blood vessel of your heart. It helps identify any abnormalities or issues, providing crucial information for diagnosis or treatment. It's a safe, non-invasive process.

23 services23 patients

Ultrasound of heart, follow-up 93308

A follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.

21 services20 patients

Insertion of tube in coronary artery for diagnosis with review by radiologist 93454

This procedure involves placing a small tube into your coronary artery. It helps to identify any blockages or issues within the artery. A radiologist, a doctor specialized in medical imaging, will review the results to ensure accurate diagnosis.

21 services20 patients

Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days 93244

A heart rhythm review involves monitoring your heart's electrical activity for more than 48 hours up to 7 days. Using a device called an external EKG, doctors can track your heartbeats to detect irregularities and help diagnose heart conditions.

20 services19 patients

Heart rhythm recording continous external ekg over more than 48 hours up to 7 days 93242

This procedure involves wearing a device, an external EKG, for up to 7 days to continuously monitor your heart rhythm. It helps detect irregularities that may not occur during a standard EKG. The device is non-invasive and safe.

19 services18 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician 93016

17 services17 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) 93017

An exercise or drug-induced heart stress test with an ECG checks how your heart responds to stress. You'll either exercise on a treadmill or be given medication to stress your heart. An ECG then captures your heart's activity, helping detect any issues.

17 services17 patients

Nuclear medicine studies of heart muscle at rest and with stress and spect 78452

15 services15 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 93018

15 services15 patients

Insertion of tube in left lower heart chamber, coronary artery and bypass graft for diagnosis with review by radiologist 93459

This procedure involves placing a tube into your left lower heart chamber, coronary artery, and bypass graft. It's done for diagnostic purposes and is carefully reviewed by a radiologist. This helps determine the health of your heart and arteries, aiding in future treatment plans.

13 services13 patients

3d radiographic procedure 76376

A 3D radiographic procedure is a non-invasive imaging test that helps doctors visualize the internal structures of your body in three dimensions. This advanced technology provides detailed images, aiding in accurate diagnosis and treatment planning. It involves exposure to minimal radiation.

12 services12 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

11 services11 patients

Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

11 services11 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Bothwell Regional Health Center

Acute Care Hospitals · Sedalia, MO

2/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number260009

Location601 E 14th StSedalia, MO 65302 · Pettis County

Emergency services Birthing friendly

Boone Hospital Center

Acute Care Hospitals · Columbia, MO

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number260068

Location1600 E BroadwayColumbia, MO 65201 · Boone County

Emergency services Birthing friendly

Moberly Regional Medical Center

Acute Care Hospitals · Moberly, MO

3/5 CMS rating

OwnershipProprietary

CMS Certification Number260074

Location1515 Union AveMoberly, MO 65270 · Randolph County

Emergency services

Macon County Samaritan Memorial Hospital

Critical Access Hospitals · Macon, MO

OwnershipGovernment - Local

CMS Certification Number261313

Location1205 North Missouri StMacon, MO 63552 · Macon County

Emergency services

Fisher-Titus Hospital

Acute Care Hospitals · Norwalk, OH

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number360065

Location272 Benedict AvenueNorwalk, OH 44857 · Huron County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 65201 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$121.96 typical visit price

range $52.28 – $161.24

Typical copayment $30.49 (range $13.07 – $40.31)

Most-billed visit code 99204

Established Patient

$93.24 typical visit price

range $16.30 – $131.05

Typical copayment $23.31 (range $4.07 – $32.76)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Promoting Interoperability

100

Improvement Activities

Other Providers at the Same Location NPPES 17

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. WILLIAM L WOODS M.D.

Internal Medicine (Cardiovascular Disease)