Dr. Marc Dinowitz, MD
- Medicare services, 2024
- 4,711
- Medicare patients, 2024
- 1,999
- Part D claims, 2024
- 1,775
- MIPS score, 2024
- 93
- Hospital affiliations
- 1
- Practice address
- 27005 76th Ave, New Hyde Park, NY 11040
- Practice phone
- Call (516) 876-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Long Island Jewish Medical Center
New Hyde Park, New York
Find Dr. Dinowitz'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.
Dr. Marc Dinowitz is an ophthalmologist in New Hyde Park, New York
Dr. Dinowitz practices at Long Island Jewish Medical Center in New Hyde Park, New York.
Dr. Dinowitz's NPI, 1578582466, was assigned on July 19, 2006. Dr. Dinowitz graduated from Stony Brook University Health Sciences Center School of Medicine in 1996. Dr. Dinowitz holds New York license 207586.
- NPI
- 1578582466NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5496814329
- NPI enumeration date
- July 19, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (516) 876-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Marc Dinowitz practices at Long Island Jewish Medical Center in New Hyde Park, New York
Dr. Dinowitz's primary practice is Long Island Jewish Medical Center, at 27005 76th Ave, New Hyde Park, NY 11040 in Nassau County. The practice phone is (516) 876-6000.
- Long Island Jewish Medical Center27005 76th Ave, New Hyde Park, NY 11040 · Nassau CountyPhone(516) 876-6000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Marc Dinowitz is affiliated with 3 sites of care and 1 medical group
Dr. Dinowitz's primary practice is Long Island Jewish Medical Center in New Hyde Park, New York. Dr. Dinowitz is also affiliated with Peconic Bay Medical Center. The medical group on file is Northwell Health Physician Partners Cardiology at Great Neck. Dmand AI also links Dr. Dinowitz 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 Dr. Marc Dinowitz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dinowitz practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Long Island Jewish Medical Center | 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Marc Dinowitz is one of 1,467 ophthalmologists in New York
Ophthalmology is Dr. Dinowitz's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Dinowitz is licensed in New York.
Specialties and state licenses
- Ophthalmology, New YorkPrimary
Ophthalmologists near Dr. Dinowitz
Counts of ophthalmologists 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. Marc Dinowitz billed Medicare for 4,711 services in 2024
CMS data shows 4,711 Medicare services from Dr. Dinowitz across 18 procedure codes in 2024, for 1,999 Medicare patients. Medicare paid $537,696 for them.
Dr. Dinowitz's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 3,0252024: 3,45814%
- Office and hospital visits
- 2023: 6872024: 75710%
- Surgery
- 2023: 3402024: 46035%
- Imaging
- 2023: 362024: 36No change
Where Dr. Dinowitz's Medicare services took place, 2024
- In an office4,40594%
- In a facility3066%
Dr. Dinowitz compared with the New York median for ophthalmologists, 2024
- Dr. Dinowitz
- New York median
- Medicare services
- 4,711vs 1,2583.7 times
- Medicare patients
- 1,999vs 4364.6 times
- Part D claims
- 1,689vs 6472.6 times
Medians across 1,557 ophthalmologists in New York with Dmand AI profiles that report each measure.
Dr. Dinowitz'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.
Need commercial claims for Dr. Dinowitz?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Dinowitz and other ophthalmologists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Marc Dinowitz treated 1,999 Medicare patients in 2024, average age 76
CMS counts 1,999 Medicare patients who saw Dr. Dinowitz in 2024. The largest group is 75 to 84, with 883 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 8% are also on Medicaid. Their average risk score is 1.07, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Dinowitz's median patient age at 71, with 58% women.
Dr. Dinowitz's Medicare patients by age, 2024
Dr. Dinowitz's Medicare patients by sex, 2024
- Women1,18559%
- Men81441%
Chronic conditions among Dr. Dinowitz's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- Arthritis50%
- Ischemic heart disease32%
- Diabetes29%
- Anxiety23%
- Osteoporosis20%
- Chronic kidney disease19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Dinowitz'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
- Women58%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Marc Dinowitz wrote 1,775 Medicare Part D claims in 2024
In 2024, Dr. Dinowitz wrote 1,775 Medicare Part D claims for 595 patients. 68% of them were for generic drugs. CMS names the drug for 1,689 of them, across 26 drugs with 11 or more claims each, at $150,287 in total drug cost. In 2023, CMS named 1,325 claims across 20 drugs.
Dr. Dinowitz's Part D claims by kind of drug, 2024
- Generic1,210 claims68%
- Brand-name and other565 claims32%
Dr. Dinowitz'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. Dinowitz's Part D claims, 2024
- Antibiotics2%44 of 1,775 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: 1,3252024: 1,68927%
Drugs named by CMS: 26 in 2024, 20 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
Dr. Marc Dinowitz scored 93 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Dr. Dinowitz for performance year 2024, reported through an alternative payment model (APM). Dr. Dinowitz accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 542 procedures of cataract surgery by Dr. Dinowitz, more than 96% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Dinowitz's MIPS scores, performance year 2024
- 93of 100Final score
- 79.8of 100Quality
- 89of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Dinowitz ranks in Medicare procedure volume
- Cataract surgery
- 96th percentile542 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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.
Dr. Marc Dinowitz received $833 in industry payments from 2016 to 2025
CMS Open Payments shows 37 general payments to Dr. Dinowitz from 10 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 93% of the total. Alcon Laboratories Inc paid the most, $233.
General payments to Dr. Dinowitz by program year, 2016 to 2025
General payments to Dr. Dinowitz by kind, 2016 to 2025
- Food and beverage$77793%
- Education$557%
Companies that paid Dr. Dinowitz the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Marc Dinowitz graduated from Stony Brook University Health Sciences Center School of Medicine
Dr. Dinowitz graduated from Stony Brook University Health Sciences Center School of Medicine in 1996.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Marc Dinowitz'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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. Marc Dinowitz
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. Marc Dinowitz's NPI number?
Dr. Marc Dinowitz's NPI number is 1578582466. It was assigned on July 19, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Marc Dinowitz?
Dr. Marc Dinowitz is an ophthalmologist in New Hyde Park, New York. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Marc Dinowitz practice?
Dr. Dinowitz practices at 27005 76th Ave, New Hyde Park, NY 11040. Dr. Dinowitz's primary practice is Long Island Jewish Medical Center in New Hyde Park, New York. Dmand AI also links Dr. Dinowitz to 1 group practice or clinic.
What is Dr. Marc Dinowitz's office phone number?
The practice phone on file for Dr. Dinowitz is (516) 876-6000.
What is Dr. Marc Dinowitz's medical license number?
Dr. Dinowitz holds New York license 207586.
Which hospitals is Dr. Marc Dinowitz affiliated with?
Dr. Dinowitz is affiliated with Peconic Bay Medical Center.
What medical group is Dr. Marc Dinowitz part of?
Dr. Dinowitz is linked to Northwell Health Physician Partners Cardiology at Great Neck.
Does Dr. Marc Dinowitz accept Medicare?
Yes. CMS data shows Dr. Dinowitz billed Medicare for 4,711 services in 2024, and Dr. Dinowitz accepts Medicare assignment.
What is Dr. Marc Dinowitz's MIPS score?
Dr. Dinowitz's MIPS final score for performance year 2024 is 93 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Marc Dinowitz see?
CMS counts 1,999 Medicare patients who saw Dr. Dinowitz in 2024, with an average age of 76.
Show 5 more questionsShow fewer questions
What services does Dr. Marc Dinowitz bill to Medicare?
In 2024, Dr. Dinowitz's most billed Medicare services were eye exam or test (92014), eye exam or test (92134) and office visit, established patient (99213).
Where did Dr. Marc Dinowitz go to medical school?
Dr. Dinowitz graduated from Stony Brook University Health Sciences Center School of Medicine in 1996.
What drugs does Dr. Marc Dinowitz prescribe most?
In 2024 Medicare Part D data, Dr. Dinowitz's most prescribed drugs by claims were Latanoprost, Dorzolamide-Timolol and Prednisolone Acetate.
Has Dr. Marc Dinowitz received payments from drug or device companies?
CMS Open Payments shows $833 in general payments to Dr. Dinowitz from 10 companies from 2016 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Dr. Marc Dinowitz been practicing?
Dr. Dinowitz graduated from medical school in 1996, 30 years ago.
Selling to ophthalmology practices?
See ophthalmologists in New York by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card