Jack Massa
- Hospital affiliations
- 1
- Industry payments
- $969
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2024
- Practice address
- Health Sciences Center Suny, Stony Brook, NY 11794
- Practice phone
- Call (631) 444-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Jack Massa'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.
Jack Massa is a physician assistant in Stony Brook, New York
Jack Massa practices at Stony Brook University Hospital in Stony Brook, New York, part of Stony Brook University.
Jack Massa's NPI, 1942062302, was assigned on January 30, 2024.
- NPI
- 1942062302NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0446785604
- NPI enumeration date
- January 30, 2024
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (631) 444-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 28
- Medical school graduation
- 2024
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Jack Massa practices at 2 locations in Stony Brook, New York
Jack Massa's primary practice is Stony Brook University Hospital, at Health Sciences Center Suny, Stony Brook, NY 11794 in Suffolk County. The practice phone is (631) 444-4000. Jack Massa also practices at Stony Brook University Hospital, 101 Nicolls Rd, Stony Brook, NY 11794.
- Stony Brook University HospitalPrimaryHealth Sciences Center Suny, Stony Brook, NY 11794 · Suffolk CountyPhone(631) 444-4000
- Stony Brook University Hospital101 Nicolls Rd, Stony Brook, NY 11794 · Suffolk CountyPhone(631) 444-4100
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Jack Massa is affiliated with 3 sites of care and 1 medical group
Jack Massa's primary practice is Stony Brook University Hospital in Stony Brook, New York, part of Stony Brook University. The medical group on file is Stony Brook Surgical Associates. Dmand AI also links Jack Massa to 1 more clinical lab and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Jack Massa's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Jack Massa practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Stony Brook University Hospital | Available with a free account |
| +2 more affiliated sites | 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 Stony Brook University and 6.2K+ hospitals, with verified contacts in the same login.
Jack Massa is one of 11,456 physician assistants in New York
Physician assistant is Jack Massa's primary specialty in the NPI Registry, under taxonomy code 363A00000X.
Specialties and state licenses
- Physician assistantPrimary
Physician assistants near Jack Massa
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
Jack Massa's patients have a median age of 66
Across all payers, Dmand AI patient panel data puts Jack Massa's median patient age at 66, with 47% women.
Jack Massa's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women47%
- Men51%
Source: Dmand AI Patient Panel Data
How Jack Massa takes part in Medicare
Jack Massa 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)
Jack Massa received $969 in industry payments in 2025
CMS Open Payments shows 10 general payments to Jack Massa from 4 drug and device companies in 2025. Food and beverage make up the largest share, 72% of the total. Medtronic, Inc. paid the most, $592.
General payments to Jack Massa by kind, 2025 to 2025
- Food and beverage$70172%
- Travel and lodging$26828%
Companies that paid Jack Massa 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 Jack Massa'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice 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 |
| 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 Jack Massa
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Jack Massa's NPI number?
Jack Massa's NPI number is 1942062302. It was assigned on January 30, 2024, and it is active in the NPI Registry.
What does Jack Massa specialize in?
Jack Massa is a physician assistant in Stony Brook, New York. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Jack Massa practice?
Jack Massa practices at Health Sciences Center Suny, Stony Brook, NY 11794. Jack Massa also practices at 101 Nicolls Rd, Stony Brook, NY 11794. Jack Massa's primary practice is Stony Brook University Hospital in Stony Brook, New York, part of Stony Brook University. Dmand AI also links Jack Massa to 1 clinical lab and 1 group practice or clinic.
What is Jack Massa's office phone number?
The practice phone on file for Jack Massa is (631) 444-4000.
Which hospitals is Jack Massa affiliated with?
Jack Massa practices at Stony Brook University Hospital in Stony Brook, New York.
What medical group is Jack Massa part of?
Jack Massa is linked to Stony Brook Surgical Associates.
Does Jack Massa accept Medicare?
Yes. CMS lists Jack Massa as accepting Medicare assignment.
Has Jack Massa received payments from drug or device companies?
CMS Open Payments shows $969 in general payments to Jack Massa from 4 companies from 2025 to 2025. The largest total came from Medtronic, Inc.
How long has Jack Massa been practicing?
Jack Massa graduated from medical school in 2024, 2 years ago.
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