Dr. Colin MacKay, MD
- Part D claims, 2024
- 661
- Hospital affiliations
- 2
- State license
- 1
- Year NPI issued
- 2023
- Practice address
- 3700 Washington Avenue, Evansville, IN 47750
- Practice phone
- Call (812) 485-5614
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
St. Vincent Evansville - Unit
Acute Care Hospital-Unit · Evansville, Indiana
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. Colin MacKay is an internist in Evansville, Indiana
Dr. MacKay practices at St. Vincent Evansville - Unit in Evansville, Indiana.
Dr. MacKay's NPI, 1912683087, was assigned on June 23, 2023. Dr. MacKay holds Indiana license 11023241A.
- NPI
- 1912683087NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1052770351
- NPI enumeration date
- June 23, 2023
- NPI status
- Active
- Practice phone
- (812) 485-5614
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Colin MacKay practices at St. Vincent Evansville - Unit in Evansville, Indiana
Dr. MacKay's primary practice is St. Vincent Evansville - Unit, at 3700 Washington Avenue, Evansville, IN 47750 in Vanderburgh County. The practice phone is (812) 485-5614.
- St. Vincent Evansville - Unit3700 Washington Avenue, Evansville, IN 47750 · Vanderburgh CountyPhone(812) 485-5614
Source: Dmand AI Affiliation Data
Dr. Colin MacKay is affiliated with 4 sites of care
Dr. MacKay's primary practice is St. Vincent Evansville - Unit in Evansville, Indiana. Dr. MacKay is also affiliated with Ascension St. Vincent Evansville. Dmand AI also links Dr. MacKay to 1 more behavioral health center and 1 home health agency, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Colin MacKay's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. MacKay practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. Vincent Evansville - Unit | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Colin MacKay is one of 1,987 internists in Indiana
Internal medicine is Dr. MacKay's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. MacKay is licensed in Indiana.
Specialties and state licenses
- Internal medicine, IndianaPrimary
Internists near Dr. MacKay
Counts of internists 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. Colin MacKay's patients have a median age of 76
Across all payers, Dmand AI patient panel data puts Dr. MacKay's median patient age at 76, with 32% women.
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 76
Patient panel by sex, all payers
- Women32%
- Men68%
Source: Dmand AI Patient Panel Data
Dr. Colin MacKay wrote 661 Medicare Part D claims in 2024
In 2024, Dr. MacKay wrote 661 Medicare Part D claims for 104 patients. 86% of them were for generic drugs. CMS names the drug for 248 of them, across 15 drugs with 11 or more claims each, at $23,183 in total drug cost.
Dr. MacKay's Part D claims by kind of drug, 2024
- Generic568 claims86%
- Brand-name and other93 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
- Opioids2%12 of 661 claims
- Antibiotics2%14 of 661 claims
- Antipsychotics, patients 65 and over3%20 of 661 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
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Sources for Dr. Colin 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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| 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. Colin 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. Colin MacKay's NPI number?
Dr. Colin MacKay's NPI number is 1912683087. It was assigned on June 23, 2023, and it is active in the NPI Registry.
What kind of doctor is Dr. Colin MacKay?
Dr. Colin MacKay is an internist in Evansville, Indiana. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Colin MacKay practice?
Dr. MacKay practices at 3700 Washington Avenue, Evansville, IN 47750. Dr. MacKay's primary practice is St. Vincent Evansville - Unit in Evansville, Indiana. Dmand AI also links Dr. MacKay to 1 behavioral health center and 1 home health agency.
What is Dr. Colin MacKay's office phone number?
The practice phone on file for Dr. MacKay is (812) 485-5614.
What is Dr. Colin MacKay's medical license number?
Dr. MacKay holds Indiana license 11023241A, one of 2 state licenses on file.
Which hospitals is Dr. Colin MacKay affiliated with?
Dr. MacKay is affiliated with Ascension St. Vincent Evansville. Dmand AI links Dr. MacKay to 1 more hospital.
What drugs does Dr. Colin MacKay prescribe most?
In 2024 Medicare Part D data, Dr. MacKay's most prescribed drugs by claims were Gabapentin, Atorvastatin Calcium and Memantine HCl.
How long has Dr. Colin MacKay been practicing?
Dr. MacKay's NPI was assigned in 2023.
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