Dr. Stefan Dan Dinulescu, MD
- Medicare services, 2024
- 2,169
- Medicare patients, 2024
- 220
- Part D claims, 2024
- 4,274
- Hospital affiliations
- 1
- Industry payments
- $168
- Practice address
- 259 1st St, Mineola, NY 11501
- Practice phone
- Call (516) 663-0333
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
NYU Langone Hospitals - Long Island
Mineola, New York
Find Dr. Dinulescu's professional email, personal email and mobile number
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Dr. Stefan Dan Dinulescu is an internist in Mineola, New York
Dr. Dinulescu practices at NYU Langone Hospitals - Long Island in Mineola, New York.
Dr. Dinulescu's NPI, 1336111624, was assigned on February 2, 2006. Dr. Dinulescu graduated from Carol Davila University of Medicine and Pharmacy in 1986. Dr. Dinulescu holds New York license 207160.
- NPI
- 1336111624NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5092849547
- NPI enumeration date
- February 2, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (516) 663-0333
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stefan Dan Dinulescu practices at NYU Langone Hospitals - Long Island in Mineola, New York
Dr. Dinulescu's primary practice is NYU Langone Hospitals - Long Island, at 259 1st St, Mineola, NY 11501 in Nassau County. The practice phone is (516) 663-0333.
- NYU Langone Hospitals - Long Island259 1st St, Mineola, NY 11501 · Nassau CountyPhone(516) 663-0333
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Stefan Dan Dinulescu is affiliated with 2 sites of care and 1 medical group
Dr. Dinulescu's primary practice is NYU Langone Hospitals - Long Island in Mineola, New York. Dr. Dinulescu is also affiliated with Tisch Hospital. The medical group on file is NYU Langone Health.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Stefan Dan Dinulescu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dinulescu practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| NYU Langone Hospitals - Long Island | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Stefan Dan Dinulescu is one of 9,643 internists in New York
Internal medicine is Dr. Dinulescu's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Dinulescu is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Dinulescu
Counts of internists 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
Dr. Stefan Dan Dinulescu billed Medicare for 2,169 services in 2024
CMS data shows 2,169 Medicare services from Dr. Dinulescu across 15 procedure codes in 2024, for 220 Medicare patients. Medicare paid $166,531 for them.
Dr. Dinulescu's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 9452024: 1,27134%
- Tests and treatments
- 2023: 5192024: 517No change
- Other services
- 2023: 1972024: 1942%
- Surgery
- 2023: 1962024: 1875%
Where Dr. Dinulescu's Medicare services took place, 2024
- In an office1,63775%
- In a facility53225%
Dr. Dinulescu compared with the New York median for internists, 2024
- Dr. Dinulescu
- New York median
- Medicare services
- 2,169vs 4265.1 times
- Medicare patients
- 220vs 15839% above
- Part D claims
- 3,706vs 6226.0 times
Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.
Dr. Dinulescu'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Dinulescu and other internists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Stefan Dan Dinulescu treated 220 Medicare patients in 2024, average age 76
CMS counts 220 Medicare patients who saw Dr. Dinulescu in 2024. The largest group is 65 to 74, with 81 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 25% are also on Medicaid. Their average risk score is 1.76, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Dinulescu's median patient age at 66, with 52% women.
Dr. Dinulescu's Medicare patients by age, 2024
Dr. Dinulescu's Medicare patients by sex, 2024
- Women12657%
- Men9443%
Chronic conditions among Dr. Dinulescu's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes71%
- Arthritis48%
- Chronic kidney disease37%
- Ischemic heart disease37%
- Heart failure25%
- Anxiety23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Dinulescu'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
- Women52%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Stefan Dan Dinulescu wrote 4,274 Medicare Part D claims in 2024
In 2024, Dr. Dinulescu wrote 4,274 Medicare Part D claims for 284 patients. 86% of them were for generic drugs. CMS names the drug for 3,706 of them, across 78 drugs with 11 or more claims each, at $516,621 in total drug cost. In 2023, CMS named 3,377 claims across 76 drugs.
Dr. Dinulescu's Part D claims by kind of drug, 2024
- Generic3,690 claims86%
- Brand-name566 claims13%
- Other18 claims0%
Dr. Dinulescu'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 Dr. Dinulescu's Part D claims, 2024
- Antibiotics2%68 of 4,274 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3,3772024: 3,70610%
Drugs named by CMS: 78 in 2024, 76 in 2023.
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 Dr. Stefan Dan Dinulescu takes part in Medicare
Dr. Dinulescu 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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Dr. Stefan Dan Dinulescu received $168 in industry payments from 2017 to 2023
CMS Open Payments shows 10 general payments to Dr. Dinulescu from 5 drug and device companies from 2017 to 2023. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $57.
General payments to Dr. Dinulescu by program year, 2017 to 2023
Companies that paid Dr. Dinulescu the most, 2017 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Stefan Dan Dinulescu graduated from Carol Davila University of Medicine and Pharmacy
Dr. Dinulescu graduated from Carol Davila University of Medicine and Pharmacy in 1986.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Stefan Dan Dinulescu'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 DataDmand AI Org Hierarchy 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 Dr. Stefan Dan Dinulescu
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Stefan Dan Dinulescu's NPI number?
Dr. Stefan Dan Dinulescu's NPI number is 1336111624. It was assigned on February 2, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Stefan Dan Dinulescu?
Dr. Stefan Dan Dinulescu is an internist in Mineola, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Stefan Dan Dinulescu practice?
Dr. Dinulescu practices at 259 1st St, Mineola, NY 11501. Dr. Dinulescu's primary practice is NYU Langone Hospitals - Long Island in Mineola, New York.
What is Dr. Stefan Dan Dinulescu's office phone number?
The practice phone on file for Dr. Dinulescu is (516) 663-0333.
What is Dr. Stefan Dan Dinulescu's medical license number?
Dr. Dinulescu holds New York license 207160.
Which hospitals is Dr. Stefan Dan Dinulescu affiliated with?
Dr. Dinulescu is affiliated with Tisch Hospital.
What medical group is Dr. Stefan Dan Dinulescu part of?
Dr. Dinulescu is linked to NYU Langone Health.
Does Dr. Stefan Dan Dinulescu accept Medicare?
Yes. CMS data shows Dr. Dinulescu billed Medicare for 2,169 services in 2024, and Dr. Dinulescu accepts Medicare assignment.
How many Medicare patients does Dr. Stefan Dan Dinulescu see?
CMS counts 220 Medicare patients who saw Dr. Dinulescu in 2024, with an average age of 76.
What services does Dr. Stefan Dan Dinulescu bill to Medicare?
In 2024, Dr. Dinulescu's most billed Medicare services were office visit, established patient (99213), hospital inpatient care (99232) and surgery: heart and blood vessels (36415).
Show 4 more questionsShow fewer questions
Where did Dr. Stefan Dan Dinulescu go to medical school?
Dr. Dinulescu graduated from Carol Davila University of Medicine and Pharmacy in 1986.
What drugs does Dr. Stefan Dan Dinulescu prescribe most?
In 2024 Medicare Part D data, Dr. Dinulescu's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Losartan Potassium.
Has Dr. Stefan Dan Dinulescu received payments from drug or device companies?
CMS Open Payments shows $168 in general payments to Dr. Dinulescu from 5 companies from 2017 to 2023. The largest total came from Novo Nordisk Inc.
How long has Dr. Stefan Dan Dinulescu been practicing?
Dr. Dinulescu graduated from medical school in 1986, 40 years ago.
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