Angiogenesis InhibitorsAnti-Inflammatory Agents, Non-SteroidalCataract Extraction
Dr. Edward I. Marcus, MD
NPI1841451937PAC ID2062678949
- Medicare services, 2024
- 108,461
- Medicare patients, 2024
- 1,350
- Part D claims, 2024
- 879
- Publications
- 2
- MIPS score, 2024
- 92
- Practice address
- 260 Middle Country Rd, Smithtown, NY 11787
- Practice phone
- Call (631) 265-8780
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
North Shore Eye Care Hearing Services
Smithtown, New York
Find Dr. Marcus' professional email, personal email and mobile number
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Dr. Edward I. Marcus is an ophthalmologist in Smithtown, New York
Dr. Marcus practices at North Shore Eye Care Hearing Services in Smithtown, New York.
Dr. Marcus' NPI, 1841451937, was assigned on June 20, 2008. Dr. Marcus graduated from Icahn School Of Medicine At Mount Sinai in 2008. Dr. Marcus holds New York license 255287.
NPI and contact details
- NPI
- 1841451937NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2062678949
- NPI enumeration date
- June 20, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (631) 265-8780
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Edward I. Marcus practices at North Shore Eye Care Hearing Services in Smithtown, New York
Dr. Marcus' primary practice is North Shore Eye Care Hearing Services, at 260 Middle Country Rd, Smithtown, NY 11787 in Suffolk County. The practice phone is (631) 265-8780.
- North Shore Eye Care Hearing Services260 Middle Country Rd, Smithtown, NY 11787 · Suffolk CountyPhone(631) 265-8780
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Edward I. Marcus is affiliated with 3 sites of care and 2 medical groups
Dr. Marcus' primary practice is North Shore Eye Care Hearing Services in Smithtown, New York. Dmand AI also links Dr. Marcus to 2 group practices and clinics and 2 medical groups, each named with a free account.
North Shore Eye Care Hearing ServicesPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Edward I. Marcus' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marcus practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| North Shore Eye Care Hearing Services | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Edward I. Marcus is one of 1,467 ophthalmologists in New York
Ophthalmology is Dr. Marcus' primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dmand AI has Dr. Marcus' licenses on file in 2 states: New York and Michigan.
Specialties and state licenses
- Ophthalmology, New YorkPrimary
- Michigan license
Ophthalmologists near Dr. Marcus
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. Edward I. Marcus billed Medicare for 108,461 services in 2024
CMS data shows 108,461 Medicare services from Dr. Marcus across 24 procedure codes in 2024, for 1,350 Medicare patients. Medicare paid $4,765,214 for them.
Medicare services, 2024108,461
Medicare patients1,350
Paid by Medicare$4.8M
Procedure codes24
Dr. Marcus' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 22,9362024: 99,064332%
- Tests and treatments
- 2023: 6,2492024: 5,9355%
- Surgery
- 2023: 3,1312024: 3,2313%
- Other services
- 2023: 1182024: 17145%
- Office and hospital visits
- 2023: 1152024: 6048%
Where Dr. Marcus' Medicare services took place, 2024
- In an office108,200100%
- In a facility2610%
Dr. Marcus compared with the New York median for ophthalmologists, 2024
- Dr. Marcus
- New York median
- Medicare services
- 108,461vs 1,25886.2 times
- Medicare patients
- 1,350vs 4363.1 times
- Part D claims
- 752vs 64716% above
Medians across 1,557 ophthalmologists in New York with Dmand AI profiles that report each measure.
Dr. Marcus' 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
Dr. Edward I. Marcus treated 1,350 Medicare patients in 2024, average age 76
CMS counts 1,350 Medicare patients who saw Dr. Marcus in 2024. The largest group is 75 to 84, with 514 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 20% are also on Medicaid. Their average risk score is 1.67, 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. Marcus' median patient age at 70, with 48% women.
Medicare patients, 20241,350
Average age76
Average risk score1.67
Also on Medicaid20%
Dr. Marcus' Medicare patients by age, 2024
Dr. Marcus' Medicare patients by sex, 2024
- Women75256%
- Men59844%
Chronic conditions among Dr. Marcus' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes52%
- Arthritis49%
- Ischemic heart disease43%
- Chronic kidney disease31%
- Anxiety22%
- Heart failure21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Marcus' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women48%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Edward I. Marcus wrote 879 Medicare Part D claims in 2024
In 2024, Dr. Marcus wrote 879 Medicare Part D claims for 261 patients. 65% of them were for generic drugs. CMS names the drug for 752 of them, across 13 drugs with 11 or more claims each, at $73,942 in total drug cost. In 2023, CMS named 872 claims across 18 drugs.
Part D claims, 2024879
Drugs named by CMS13
Total drug cost$73,942
Part D patients261
Dr. Marcus' Part D claims by kind of drug, 2024
- Generic575 claims65%
- Brand-name304 claims35%
Dr. Marcus' 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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 8722024: 75214%
Drugs named by CMS: 13 in 2024, 18 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. Edward I. Marcus scored 92 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 92 out of 100 for Dr. Marcus for performance year 2024, reported as part of a group. Dr. Marcus accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Marcus' MIPS scores, performance year 2024
- 92of 100Final score
- 90of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Cataract surgery: 1 to 10 procedures (CMS shows small counts as a range)
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)
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Dr. Edward I. Marcus has 2 publications on record
Dmand AI links 2 papers to Dr. Marcus in 2014. Dr. Marcus' most frequent co-authors are Neelakshi Bhagat, MD, Suqin Guo, MD and Shriji N. Patel, MD.
Papers2
Dr. Marcus' most frequent co-authors
Recent publications by Dr. Marcus
See who Dr. Marcus researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Marcus works with, so you can find a warm path to the right ophthalmologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Edward I. Marcus received $165,057 in industry payments from 2016 to 2025
CMS Open Payments shows 1,340 general payments to Dr. Marcus from 33 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 31% of the total. Regeneron Pharmaceuticals, Inc. paid the most, $38,418.
General payments to Dr. Marcus by program year, 2016 to 2025
General payments to Dr. Marcus by kind, 2016 to 2025
$165.1Kin total
- Consulting fees$50,73831%
- Speaker and faculty fees$48,96630%
- Honoraria$31,54419%
- Food and beverage$30,64819%
- Other$2,9782%
Companies that paid Dr. Marcus 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. Edward I. Marcus graduated from Icahn School Of Medicine At Mount Sinai
Dr. Marcus graduated from Icahn School Of Medicine At Mount Sinai in 2008.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Edward I. Marcus'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Edward I. Marcus
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. Edward I. Marcus' NPI number?
Dr. Edward I. Marcus' NPI number is 1841451937. It was assigned on June 20, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Edward I. Marcus?
Dr. Edward I. Marcus is an ophthalmologist in Smithtown, New York. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Edward I. Marcus practice?
Dr. Marcus practices at 260 Middle Country Rd, Smithtown, NY 11787. Dr. Marcus' primary practice is North Shore Eye Care Hearing Services in Smithtown, New York. Dmand AI also links Dr. Marcus to 2 group practices and clinics and 2 medical groups.
What is Dr. Edward I. Marcus' office phone number?
The practice phone on file for Dr. Marcus is (631) 265-8780.
What is Dr. Edward I. Marcus' medical license number?
Dr. Marcus holds New York license 255287, one of the licenses on file in 2 states.
Which states has Dr. Edward I. Marcus been licensed in?
Dmand AI has state licenses on file for Dr. Marcus in New York and Michigan.
Does Dr. Edward I. Marcus accept Medicare?
Yes. CMS data shows Dr. Marcus billed Medicare for 108,461 services in 2024, and Dr. Marcus accepts Medicare assignment.
What is Dr. Edward I. Marcus' MIPS score?
Dr. Marcus' MIPS final score for performance year 2024 is 92 out of 100, reported as part of a group.
How many Medicare patients does Dr. Edward I. Marcus see?
CMS counts 1,350 Medicare patients who saw Dr. Marcus in 2024, with an average age of 76.
What services does Dr. Edward I. Marcus bill to Medicare?
In 2024, Dr. Marcus' most billed Medicare services were injected or infused drug (J2403), injected or infused drug (J2777) and injected or infused drug (J2782).
Show 6 more questionsShow fewer questions
Where did Dr. Edward I. Marcus go to medical school?
Dr. Marcus graduated from Icahn School Of Medicine At Mount Sinai in 2008.
What drugs does Dr. Edward I. Marcus prescribe most?
In 2024 Medicare Part D data, Dr. Marcus' most prescribed drugs by claims were Prednisolone Acetate, Ofloxacin and Atropine Sulfate.
Has Dr. Edward I. Marcus received payments from drug or device companies?
CMS Open Payments shows $165,057 in general payments to Dr. Marcus from 33 companies from 2016 to 2025. The largest total came from Regeneron Pharmaceuticals, Inc.
How long has Dr. Edward I. Marcus been practicing?
Dr. Marcus graduated from medical school in 2008, 18 years ago.
Does Dr. Edward I. Marcus do research?
Dmand AI links 2 publications to Dr. Marcus.
Who does Dr. Edward I. Marcus publish with?
Dr. Marcus' most frequent co-authors are Neelakshi Bhagat, MD (2 shared papers), Suqin Guo, MD (2 shared papers) and Shriji N. Patel, MD (1 shared paper).
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