Maria Assunta Difiore, PA
- Medicare services, 2024
- 21
- Medicare patients, 2024
- 32
- Part D claims, 2024
- 237
- Industry payments
- $192
- Affiliated sites
- 3
- Practice address
- 23 S Howell Ave, Centereach, NY 11720
- Practice phone
- Call (631) 444-8278
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Stony Brook Surgical Associates
Centereach, New York
Find Maria Difiore's professional email, personal email and mobile number
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Maria Assunta Difiore is a physician assistant in Centereach, New York
Maria Difiore practices at Stony Brook Surgical Associates in Centereach, New York.
Maria Difiore's NPI, 1427358563, was assigned on October 22, 2010. Maria Difiore holds New York license 014416.
- NPI
- 1427358563NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5294033999
- NPI enumeration date
- October 22, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (631) 444-8278
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Maria Assunta Difiore practices at Stony Brook Surgical Associates in Centereach, New York
Maria Difiore's primary practice is Stony Brook Surgical Associates, at 23 S Howell Ave, Centereach, NY 11720 in Suffolk County. The practice phone is (631) 444-8278.
- Stony Brook Surgical Associates23 S Howell Ave, Centereach, NY 11720 · Suffolk CountyPhone(631) 444-8278
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Maria Assunta Difiore is affiliated with 4 sites of care and 4 medical groups
Maria Difiore's primary practice is Stony Brook Surgical Associates in Centereach, New York. The medical group on file is Stony Brook Surgical Associates. Dmand AI also links Maria Difiore to 3 more group practices and clinics and 3 medical groups, each 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 Maria Assunta Difiore's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Maria Difiore practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Stony Brook Surgical Associates | Available with a free account |
| +3 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Maria Assunta Difiore is one of 2,670 physician assistants in New York
Medical is Maria Difiore's primary specialty in the NPI Registry, under taxonomy code 363AM0700X. Maria Difiore is licensed in New York.
Specialties and state licenses
- Medical physician assistant, New YorkPrimary
Physician assistants near Maria Difiore
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
Maria Assunta Difiore billed Medicare for 21 services in 2024
CMS data shows 21 Medicare services from Maria Difiore across 1 procedure code in 2024, for 32 Medicare patients. Medicare paid $1,275 for them. Every service was in a facility, such as a hospital, rather than an office.
Maria Difiore compared with the New York median for physician assistants, 2024
- Maria Difiore
- New York median
- Medicare services
- 21vs 19489% below
- Medicare patients
- 32vs 8864% below
- Part D claims
- 136vs 47371% below
Medians across 1,670 physician assistants in New York with Dmand AI profiles that report each measure.
Maria Difiore'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
Maria Assunta Difiore treated 32 Medicare patients in 2024, average age 75
CMS counts 32 Medicare patients who saw Maria Difiore in 2024. The largest group is 65 to 74, with 15 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.66, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Maria Difiore's median patient age at 61, with 49% women.
Maria Difiore's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Maria Difiore's Medicare patients by sex, 2024
- Women1238%
- Men2063%
Chronic conditions among Maria Difiore's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease75%
- Heart failure66%
- Arthritis59%
- COPD56%
- Atrial fibrillation50%
- Diabetes50%
Share of Medicare patients with each condition. A patient can have several.
Maria Difiore's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women49%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Maria Assunta Difiore wrote 237 Medicare Part D claims in 2024
In 2024, Maria Difiore wrote 237 Medicare Part D claims for 48 patients. 88% of them were for generic drugs. CMS names the drug for 136 of them, across 7 drugs with 11 or more claims each, at $746 in total drug cost.
Maria Difiore's Part D claims by kind of drug, 2024
- Generic209 claims88%
- Brand-name and other28 claims12%
Maria Difiore'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 Maria Difiore's Part D claims, 2024
- Opioids11%27 of 237 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
How Maria Assunta Difiore takes part in Medicare
Maria Difiore 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)
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Maria Assunta Difiore received $192 in industry payments in 2025
CMS Open Payments shows 2 general payments to Maria Difiore from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. AtriCure, Inc. paid the most, $163.
Companies that paid Maria Difiore 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 Maria Assunta Difiore'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) |
| 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 Maria Assunta Difiore
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Maria Assunta Difiore's NPI number?
Maria Assunta Difiore's NPI number is 1427358563. It was assigned on October 22, 2010, and it is active in the NPI Registry.
What does Maria Assunta Difiore specialize in?
Maria Assunta Difiore is a physician assistant in Centereach, New York. The primary specialty in the NPI Registry is Medical Physician Assistant (taxonomy code 363AM0700X).
Where does Maria Assunta Difiore practice?
Maria Difiore practices at 23 S Howell Ave, Centereach, NY 11720. Maria Difiore's primary practice is Stony Brook Surgical Associates in Centereach, New York. Dmand AI also links Maria Difiore to 3 group practices and clinics and 3 medical groups.
What is Maria Assunta Difiore's office phone number?
The practice phone on file for Maria Difiore is (631) 444-8278.
What is Maria Assunta Difiore's medical license number?
Maria Difiore holds New York license 014416.
What medical group is Maria Assunta Difiore part of?
Maria Difiore is linked to Stony Brook Surgical Associates. Dmand AI links Maria Difiore to 3 more medical groups.
Does Maria Assunta Difiore accept Medicare?
Yes. CMS data shows Maria Difiore billed Medicare for 21 services in 2024, and Maria Difiore accepts Medicare assignment.
How many Medicare patients does Maria Assunta Difiore see?
CMS counts 32 Medicare patients who saw Maria Difiore in 2024, with an average age of 75.
What services does Maria Assunta Difiore bill to Medicare?
In 2024, Maria Difiore's most billed Medicare services were hospital inpatient care (99232).
What drugs does Maria Assunta Difiore prescribe most?
In 2024 Medicare Part D data, Maria Difiore's most prescribed drugs by claims were Metoprolol Succinate, Famotidine and Amiodarone HCl.
Has Maria Assunta Difiore received payments from drug or device companies?
CMS Open Payments shows $192 in general payments to Maria Difiore from 2 companies from 2025 to 2025. The largest total came from AtriCure, Inc.
How long has Maria Assunta Difiore been practicing?
Maria Difiore graduated from medical school in 2010, 16 years ago.
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