Stephanie V. Mason, RPAC
- Medicare services, 2024
- 182
- Medicare patients, 2024
- 95
- Part D claims, 2024
- 1,176
- Hospital affiliations
- 1
- Industry payments
- $567
- Practice address
- 24 Research Way, East Setauket, NY 11733
- Practice phone
- Call (631) 444-6270
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Stony Brook Urology, University Faculty Practice Corporation
East Setauket, New York
Find Stephanie Mason's professional email, personal email and mobile number
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Stephanie V. Mason is a physician assistant in East Setauket, New York
Stephanie Mason practices at Stony Brook Urology, University Faculty Practice Corporation in East Setauket, New York.
Stephanie Mason's NPI, 1700126018, was assigned on February 22, 2013. Stephanie Mason holds New York license 016412.
- NPI
- 1700126018NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3577785765
- NPI enumeration date
- February 22, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (631) 444-6270
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Stephanie V. Mason practices at Stony Brook Urology, University Faculty Practice Corporation in East Setauket, New York
Stephanie Mason's primary practice is Stony Brook Urology, University Faculty Practice Corporation, at 24 Research Way, East Setauket, NY 11733 in Suffolk County. The practice phone is (631) 444-6270.
- Stony Brook Urology, University Faculty Practice Corporation24 Research Way, East Setauket, NY 11733 · Suffolk CountyPhone(631) 444-6270
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Stephanie V. Mason is affiliated with 3 sites of care and 1 medical group
Stephanie Mason's primary practice is Stony Brook Urology, University Faculty Practice Corporation in East Setauket, New York. Stephanie Mason is also affiliated with Stony Brook University Hospital. The medical group on file is Stony Brook Urology. Dmand AI also links Stephanie Mason to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Stephanie V. Mason's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Stephanie Mason practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Stony Brook Urology, University Faculty Practice Corporation | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Stephanie V. Mason is one of 11,456 physician assistants in New York
Physician assistant is Stephanie Mason's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Stephanie Mason is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). Stephanie Mason is licensed in New York.
Specialties and state licenses
- Physician assistant, New YorkPrimary
Clinical focus
Dmand AI lists enlarged prostate among the conditions Stephanie Mason treats.
Physician assistants near Stephanie Mason
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
Stephanie V. Mason billed Medicare for 182 services in 2024
CMS data shows 182 Medicare services from Stephanie Mason across 5 procedure codes in 2024, for 95 Medicare patients. Medicare paid $9,775 for them. Every service was in an office.
Stephanie Mason's Medicare services by type, 2024
- Office and hospital visits104
- Other services39
- Surgery39
Stephanie Mason compared with the New York median for physician assistants, 2024
- Stephanie Mason
- New York median
- Medicare services
- 182vs 176Close to median
- Medicare patients
- 95vs 7822% above
- Part D claims
- 1,070vs 2454.4 times
Medians across 6,477 physician assistants in New York with Dmand AI profiles that report each measure.
Stephanie Mason's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Stephanie V. Mason treated 95 Medicare patients in 2024, average age 75
CMS counts 95 Medicare patients who saw Stephanie Mason in 2024. The largest group is 75 to 84, with 42 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.27, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Stephanie Mason's median patient age at 71, with 13% women.
Stephanie Mason's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Stephanie Mason's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Cancer63%
- Arthritis43%
- Ischemic heart disease36%
- Diabetes29%
- Chronic kidney disease25%
- Atrial fibrillation22%
Share of Medicare patients with each condition. A patient can have several.
Stephanie Mason's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women13%
- Men86%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Stephanie V. Mason wrote 1,176 Medicare Part D claims in 2024
In 2024, Stephanie Mason wrote 1,176 Medicare Part D claims for 384 patients. 93% of them were for generic drugs. CMS names the drug for 1,070 of them, across 14 drugs with 11 or more claims each, at $97,233 in total drug cost.
Stephanie Mason's Part D claims by kind of drug, 2024
- Generic1,090 claims93%
- Brand-name86 claims7%
Stephanie Mason'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 Stephanie Mason's Part D claims, 2024
- Antibiotics14%163 of 1,176 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
Stephanie V. Mason offers telehealth to Medicare patients
Stephanie Mason accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Stephanie Mason as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Stephanie V. Mason received $567 in industry payments in 2025
CMS Open Payments shows 19 general payments to Stephanie Mason from 11 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $210.
Companies that paid Stephanie Mason the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Stephanie V. Mason is board certified in certified physician assistant
Stephanie Mason is a member of AAPA.
- Board certified in certified physician assistant
Source: Dmand AI Professional Profile Data
Sources for Stephanie V. Mason'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| 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) |
| 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 Stephanie V. Mason
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Stephanie V. Mason's NPI number?
Stephanie V. Mason's NPI number is 1700126018. It was assigned on February 22, 2013, and it is active in the NPI Registry.
What does Stephanie V. Mason specialize in?
Stephanie V. Mason is a physician assistant in East Setauket, New York. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Stephanie V. Mason practice?
Stephanie Mason practices at 24 Research Way, East Setauket, NY 11733. Stephanie Mason's primary practice is Stony Brook Urology, University Faculty Practice Corporation in East Setauket, New York. Dmand AI also links Stephanie Mason to 1 group practice or clinic.
What is Stephanie V. Mason's office phone number?
The practice phone on file for Stephanie Mason is (631) 444-6270.
What is Stephanie V. Mason's medical license number?
Stephanie Mason holds New York license 016412.
Which hospitals is Stephanie V. Mason affiliated with?
Stephanie Mason is affiliated with Stony Brook University Hospital.
What medical group is Stephanie V. Mason part of?
Stephanie Mason is linked to Stony Brook Urology.
Does Stephanie V. Mason accept Medicare?
Yes. CMS data shows Stephanie Mason billed Medicare for 182 services in 2024, and Stephanie Mason accepts Medicare assignment.
Does Stephanie V. Mason offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Stephanie Mason as offering telehealth services.
How many Medicare patients does Stephanie V. Mason see?
CMS counts 95 Medicare patients who saw Stephanie Mason in 2024, with an average age of 75.
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Is Stephanie V. Mason board certified?
Yes. Stephanie Mason is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).
What services does Stephanie V. Mason bill to Medicare?
In 2024, Stephanie Mason's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and office visit, established patient (99213).
What drugs does Stephanie V. Mason prescribe most?
In 2024 Medicare Part D data, Stephanie Mason's most prescribed drugs by claims were Tamsulosin HCl, Finasteride and Alfuzosin HCl ER.
Has Stephanie V. Mason received payments from drug or device companies?
CMS Open Payments shows $567 in general payments to Stephanie Mason from 11 companies from 2025 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Stephanie V. Mason been practicing?
Stephanie Mason graduated from medical school in 2012, 14 years ago.
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