John E. Maiorino, PA
- Part D claims, 2024
- 3,309
- Hospital affiliations
- 1
- Industry payments
- $892
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 1000 Montauk Highway, West Islip, NY 11795
- Practice phone
- Call (631) 376-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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John E. Maiorino is a physician assistant in West Islip, New York
John Maiorino practices at Good Samaritan University Hospital in West Islip, New York, part of Diocese of Rockville Centre.
John Maiorino's NPI, 1871635698, was assigned on February 12, 2007. John Maiorino holds New York license 005736-1.
- NPI
- 1871635698NPI Registry (opens in a new tab)
- NPI enumeration date
- February 12, 2007
- NPI status
- Active
- Practice phone
- (631) 376-3000
- 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
John E. Maiorino practices at Good Samaritan University Hospital in West Islip, New York
John Maiorino's primary practice is Good Samaritan University Hospital, at 1000 Montauk Highway, West Islip, NY 11795 in Suffolk County. The practice phone is (631) 376-3000.
- Good Samaritan University Hospital1000 Montauk Highway, West Islip, NY 11795 · Suffolk CountyPhone(631) 376-3000
Source: Dmand AI Affiliation Data
John E. Maiorino is affiliated with 1 site of care
John Maiorino's primary practice is Good Samaritan University Hospital in West Islip, New York, part of Diocese of Rockville Centre.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at John E. Maiorino's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Maiorino practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Good Samaritan University Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Diocese of Rockville Centre and 6.2K+ hospitals, with verified contacts in the same login.
John E. Maiorino is one of 2,670 physician assistants in New York
Medical is John Maiorino's primary specialty in the NPI Registry, under taxonomy code 363AM0700X. John Maiorino is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). John Maiorino is licensed in New York.
Specialties and state licenses
- Medical physician assistant, New YorkPrimary
Physician assistants near John Maiorino
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
John E. Maiorino's patients have a median age of 53
Across all payers, Dmand AI patient panel data puts John Maiorino's median patient age at 53, with 47% women.
John Maiorino's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 53
Patient panel by sex, all payers
- Women47%
- Men51%
Source: Dmand AI Patient Panel Data
John E. Maiorino wrote 3,309 Medicare Part D claims in 2024
In 2024, John Maiorino wrote 3,309 Medicare Part D claims for 510 patients. 93% of them were for generic drugs. CMS names the drug for 2,802 of them, across 66 drugs with 11 or more claims each, at $135,790 in total drug cost.
John Maiorino's Part D claims by kind of drug, 2024
- Generic3,063 claims93%
- Brand-name and other246 claims7%
John Maiorino'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 John Maiorino's Part D claims, 2024
- Antibiotics5%181 of 3,309 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
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.
John E. Maiorino received $892 in industry payments in 2025
CMS Open Payments shows 41 general payments to John Maiorino from 9 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $438.
Companies that paid John Maiorino the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
John E. Maiorino is board certified in certified physician assistant
- Board certified in certified physician assistant
Source: Dmand AI Professional Profile Data
Sources for John E. Maiorino'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 DataDmand AI Org Hierarchy 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) |
| 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 John E. Maiorino
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is John E. Maiorino's NPI number?
John E. Maiorino's NPI number is 1871635698. It was assigned on February 12, 2007, and it is active in the NPI Registry.
What does John E. Maiorino specialize in?
John E. Maiorino is a physician assistant in West Islip, New York. The primary specialty in the NPI Registry is Medical Physician Assistant (taxonomy code 363AM0700X).
Where does John E. Maiorino practice?
John Maiorino practices at 1000 Montauk Highway, West Islip, NY 11795. John Maiorino's primary practice is Good Samaritan University Hospital in West Islip, New York, part of Diocese of Rockville Centre.
What is John E. Maiorino's office phone number?
The practice phone on file for John Maiorino is (631) 376-3000.
What is John E. Maiorino's medical license number?
John Maiorino holds New York license 005736-1.
Which hospitals is John E. Maiorino affiliated with?
John Maiorino practices at Good Samaritan University Hospital in West Islip, New York.
Is John E. Maiorino board certified?
Yes. John Maiorino is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).
What drugs does John E. Maiorino prescribe most?
In 2024 Medicare Part D data, John Maiorino's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Metformin HCl.
Has John E. Maiorino received payments from drug or device companies?
CMS Open Payments shows $892 in general payments to John Maiorino from 9 companies from 2025 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has John E. Maiorino been practicing?
John Maiorino's NPI was assigned in 2007.
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