Dr. John Mackay, MD
What this data tells you about Dr. Mackay
Dr. John Mackay is a family medicine specialist in Tallahassee, FL, with 19 years of NPI registration. Based on federal Medicare data, Dr. Mackay performed 1,719 Medicare services across 1,002 unique beneficiaries.
Between the years covered by Open Payments, Dr. Mackay received a total of $2,349 from 22 pharmaceutical and/or device companies across 147 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in family medicine. Most payments are for meals and travel — low-value interactions common across virtually all practicing physicians. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Mackay is Very High — reflecting how much public federal data is available about this provider. This is not a quality rating. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Florida License Status
FL DOH · MQA| Profession | License # | Status | Expires | Board Action |
|---|---|---|---|---|
| Medical Doctor | 58246 | Clear | January 31, 2028 | — |
Medicare Practice Summary
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Blood draw (venipuncture) Insertion of a needle into a vein to collect a blood sample. |
260 | $8 | $20 |
| Office visit, established patient (30-39 min) A follow-up office visit for an existing patient lasting between 30 and 39 minutes. The visit involves medical evaluation and management of the patient's condition. |
236 | $86 | $155 |
| Office visit for established patient An office visit for an existing patient that may not require the healthcare professional to be present. |
196 | $15 | $31 |
| Office visit, established patient (20-29 min) An office visit for an existing patient lasting between 20 and 29 minutes. The visit involves medical evaluation and management of the patient's condition. |
183 | $60 | $100 |
| Drug injection, under skin or into muscle A procedure involving the administration of a medication or substance via injection into the subcutaneous tissue or muscle. |
171 | $10 | $50 |
| Office visit, established patient (10-19 min) An office visit for an existing patient lasting 10 to 19 minutes. The visit involves medical evaluation and management of the patient's condition. |
149 | $39 | $65 |
| Annual alcohol misuse screening, 5 to 15 minutes | 118 | $18 | $75 |
| Annual intensive behavioral therapy for cardiovascular disease, 15 minutes A yearly, in-person session focused on intensive behavioral therapy to help manage cardiovascular disease. The session lasts for 15 minutes and is conducted with the patient individually. |
118 | $26 | $50 |
| Annual depression screening | 117 | $18 | $50 |
| Urinalysis, manual A manual laboratory examination of a urine sample to check for various substances and cells. |
75 | $3 | $15 |
| Steroid injection (triamcinolone) A 10 mg injection of triamcinolone acetonide, a corticosteroid medication. This code specifies the drug and dosage administered. |
24 | $1 | $40 |
| Stool test for blood to screen for colon tumors A test that analyzes a stool sample to detect hidden blood, which is used to screen for colon tumors. |
17 | $4 | $14 |
| Electrocardiogram (EKG), 12-lead A standard heart rhythm test using at least 12 leads to record electrical activity. A healthcare provider interprets the results and provides a written report. |
16 | $10 | $50 |
| SARS-CoV-2 immunoassay test A laboratory test using immunoassay techniques to detect the presence of severe acute respiratory syndrome coronavirus. |
14 | $35 | $100 |
| Ear wax removal A procedure to remove impacted ear wax from the ear canal. |
13 | $26 | $75 |
| Pap smear screening test A screening test to collect and prepare a cervical or vaginal sample for laboratory analysis. |
12 | $41 | $50 |
Industry Payment Transparency
Open Payments through 2022 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2022)
Associated products mentioned in payments ›
Most payments (99%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.
Geographic Context
0.0 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2022 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This measures how much public data is available about a provider — not how good they are. How we calculate this →
Summary
Dr. Mackay is a clinical cardiology specialist, with above-average Medicare volume (top 21% in FL), with low-engagement industry engagement in the top 20% of FL peers, with 19 years of NPI registration.
This summary is auto-generated from federal data. It describes data availability and patterns — not clinical quality. Read our methodology →
Frequently Asked Questions
Is Dr. Mackay experienced with blood draw (venipuncture)?
Does Dr. Mackay receive payments from pharmaceutical companies?
How do Dr. Mackay's costs compare to other family medicine physicians in Tallahassee?
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All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. The Transparency Score measures data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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