Erin MacKay
- Part D claims, 2024
- 87
- Industry payments
- $105
- Affiliated sites
- 2
- Medical group
- 1
- State license
- 1
- Practice address
- 540 Union Blvd, West Islip, NY 11795
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Saint Francis Hospital South Bay Cardiovascular - HOPD
Acute Care Hospital outpatient department · West Islip, New York
Find Erin 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.
Erin MacKay is a physician assistant in West Islip, New York
Erin MacKay practices at Saint Francis Hospital South Bay Cardiovascular - HOPD in West Islip, New York.
Erin MacKay's NPI, 1114465754, was assigned on February 2, 2017.
- NPI
- 1114465754NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1850790874
- NPI enumeration date
- February 2, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Erin MacKay practices at Saint Francis Hospital South Bay Cardiovascular - HOPD in West Islip, New York
Erin MacKay's primary practice is Saint Francis Hospital South Bay Cardiovascular - HOPD, at 540 Union Blvd, West Islip, NY 11795.
- Saint Francis Hospital South Bay Cardiovascular - HOPD540 Union Blvd, West Islip, NY 11795
Source: Dmand AI Affiliation Data
Erin MacKay is affiliated with 2 sites of care and 1 medical group
Erin MacKay's primary practice is Saint Francis Hospital South Bay Cardiovascular - HOPD in West Islip, New York. The medical group on file is St. Francis Hospital & Heart Center. Dmand AI also links Erin MacKay to 1 more group practice or clinic, named with a free account. Erin MacKay's employer is on file too: a hospital.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Erin MacKay's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Erin MacKay practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Saint Francis Hospital South Bay Cardiovascular - HOPD | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Erin MacKay is one of 11,456 physician assistants in New York
Physician assistant is Erin MacKay's primary specialty in the NPI Registry, under taxonomy code 363A00000X.
Specialties and state licenses
- Physician assistantPrimary
Physician assistants near Erin MacKay
Counts of physician assistants 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
Erin MacKay's patients have a median age of 37
Across all payers, Dmand AI patient panel data puts Erin MacKay's median patient age at 37, with 97% women.
Erin 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 37
Patient panel by sex, all payers
- Women97%
- Men0%
Source: Dmand AI Patient Panel Data
Erin MacKay wrote 87 Medicare Part D claims in 2024
In 2024, Erin MacKay wrote 87 Medicare Part D claims for 43 patients. 93% of them were for generic drugs.
Erin MacKay's Part D claims by kind of drug, 2024
- Generic81 claims93%
- Brand-name and other6 claims7%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Erin MacKay takes part in Medicare
Erin MacKay accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Erin MacKay received $105 in industry payments in 2025
CMS Open Payments shows 5 general payments to Erin MacKay from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $64.
Companies that paid Erin MacKay the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Erin 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 (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) |
| Industry payments | Open Payments (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 Erin 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 Erin MacKay's NPI number?
Erin MacKay's NPI number is 1114465754. It was assigned on February 2, 2017, and it is active in the NPI Registry.
What does Erin MacKay specialize in?
Erin MacKay is a physician assistant in West Islip, New York. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Erin MacKay practice?
Erin MacKay practices at 540 Union Blvd, West Islip, NY 11795. Erin MacKay's primary practice is Saint Francis Hospital South Bay Cardiovascular - HOPD in West Islip, New York. Dmand AI also links Erin MacKay to 1 group practice or clinic.
What medical group is Erin MacKay part of?
Erin MacKay is linked to St. Francis Hospital & Heart Center.
Does Erin MacKay accept Medicare?
Yes. CMS lists Erin MacKay as accepting Medicare assignment.
Has Erin MacKay received payments from drug or device companies?
CMS Open Payments shows $105 in general payments to Erin MacKay from 2 companies from 2025 to 2025. The largest total came from Boston Scientific Corporation.
How long has Erin MacKay been practicing?
Erin MacKay graduated from medical school in 2016, 10 years ago.
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