Dr. Marc S. Werner, MD
- Medicare services, 2024
- 4,301
- Medicare patients, 2024
- 989
- Part D claims, 2024
- 1,035
- Industry payments
- $6,673
- Affiliated sites
- 1
- Practice address
- 825 E Gate Blvd, Garden City, NY 11530
- Practice phone
- Call (516) 766-2519
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Ophthalmic Consultants of Long Island
Garden City, New York
Find Dr. Werner's professional email, personal email and mobile number
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Dr. Marc S. Werner is an ophthalmologist in Garden City, New York
Dr. Werner practices at Ophthalmic Consultants of Long Island in Garden City, New York.
Dr. Werner's NPI, 1760462048, was assigned on January 20, 2006. Dr. Werner graduated from Johns Hopkins University School of Medicine in 1989. Dr. Werner holds New York license 182807 1.
- NPI
- 1760462048NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4284660523
- NPI enumeration date
- January 20, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (516) 766-2519
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Marc S. Werner practices at Ophthalmic Consultants of Long Island in Garden City, New York
Dr. Werner's primary practice is Ophthalmic Consultants of Long Island, at 825 E Gate Blvd, Garden City, NY 11530 in Nassau County. The practice phone is (516) 766-2519.
- Ophthalmic Consultants of Long Island825 E Gate Blvd, Garden City, NY 11530 · Nassau CountyPhone(516) 766-2519
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Marc S. Werner is affiliated with 2 sites of care and 1 medical group
Dr. Werner's primary practice is Ophthalmic Consultants of Long Island in Garden City, New York. Dmand AI also links Dr. Werner to 1 group practice or clinic and 1 medical group, 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 Dr. Marc S. Werner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Werner practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ophthalmic Consultants of Long Island | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Marc S. Werner is one of 1,467 ophthalmologists in New York
Ophthalmology is Dr. Werner's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Werner is licensed in New York.
Specialties and state licenses
- Ophthalmology, New YorkPrimary
Ophthalmologists near Dr. Werner
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 S. Werner billed Medicare for 4,301 services in 2024
CMS data shows 4,301 Medicare services from Dr. Werner across 18 procedure codes in 2024, for 989 Medicare patients. Medicare paid $229,031 for them.
Dr. Werner's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,6412024: 1,5575%
- Tests and treatments
- 2023: 1,0632024: 9956%
- Drugs given in the office
- 2023: 1,0362024: 86517%
- Surgery
- 2023: 5002024: 4716%
- Lab and pathology
- 2023: 3902024: 4136%
- Imaging
- 2023: 132024: 0100%
Where Dr. Werner's Medicare services took place, 2024
- In an office4,289100%
- In a facility120%
Dr. Werner compared with the New York median for ophthalmologists, 2024
- Dr. Werner
- New York median
- Medicare services
- 4,301vs 1,2583.4 times
- Medicare patients
- 989vs 4362.3 times
- Part D claims
- 896vs 64738% above
Medians across 1,557 ophthalmologists in New York with Dmand AI profiles that report each measure.
Dr. Werner'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
Dr. Marc S. Werner treated 989 Medicare patients in 2024, average age 74
CMS counts 989 Medicare patients who saw Dr. Werner in 2024. The largest group is 65 to 74, with 460 patients. 75% of them have high cholesterol, and 70% have high blood pressure. 8% are also on Medicaid. Their average risk score is 0.99, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Werner's median patient age at 57, with 60% women.
Dr. Werner's Medicare patients by age, 2024
Dr. Werner's Medicare patients by sex, 2024
- Women60261%
- Men38739%
Chronic conditions among Dr. Werner's Medicare patients, 2024
- High cholesterol75%
- High blood pressure70%
- Arthritis48%
- Diabetes33%
- Ischemic heart disease29%
- Osteoporosis21%
- Anxiety19%
- Cancer19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Werner's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women60%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Marc S. Werner wrote 1,035 Medicare Part D claims in 2024
In 2024, Dr. Werner wrote 1,035 Medicare Part D claims for 395 patients. 54% of them were for generic drugs. CMS names the drug for 896 of them, across 18 drugs with 11 or more claims each, at $173,650 in total drug cost. In 2023, CMS named 896 claims across 19 drugs.
Dr. Werner's Part D claims by kind of drug, 2024
- Generic564 claims54%
- Brand-name471 claims46%
Dr. Werner'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 8962024: 896No change
Drugs named by CMS: 18 in 2024, 19 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 S. Werner ranks in the 48th percentile for cataract surgery in Medicare
Dr. Werner accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 24 procedures of cataract surgery by Dr. Werner, more than 48% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Werner ranks in Medicare procedure volume
- Cataract surgery
- 48th percentile24 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Marc S. Werner received $6,673 in industry payments from 2016 to 2025
CMS Open Payments shows 230 general payments to Dr. Werner from 31 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 94% of the total. Johnson & Johnson Surgical Vision, Inc. paid the most, $931.
General payments to Dr. Werner by program year, 2016 to 2025
General payments to Dr. Werner by kind, 2016 to 2025
- Food and beverage$6,29794%
- Gifts$3595%
- Education$180%
Companies that paid Dr. Werner 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 S. Werner graduated from Johns Hopkins University School of Medicine
Dr. Werner graduated from Johns Hopkins University School of Medicine in 1989.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Marc S. Werner'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)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 S. Werner
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 S. Werner's NPI number?
Dr. Marc S. Werner's NPI number is 1760462048. It was assigned on January 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Marc S. Werner?
Dr. Marc S. Werner is an ophthalmologist in Garden City, New York. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Marc S. Werner practice?
Dr. Werner practices at 825 E Gate Blvd, Garden City, NY 11530. Dr. Werner's primary practice is Ophthalmic Consultants of Long Island in Garden City, New York. Dmand AI also links Dr. Werner to 1 group practice or clinic and 1 medical group.
What is Dr. Marc S. Werner's office phone number?
The practice phone on file for Dr. Werner is (516) 766-2519.
What is Dr. Marc S. Werner's medical license number?
Dr. Werner holds New York license 182807 1.
Does Dr. Marc S. Werner accept Medicare?
Yes. CMS data shows Dr. Werner billed Medicare for 4,301 services in 2024, and Dr. Werner accepts Medicare assignment.
How many Medicare patients does Dr. Marc S. Werner see?
CMS counts 989 Medicare patients who saw Dr. Werner in 2024, with an average age of 74.
What services does Dr. Marc S. Werner bill to Medicare?
In 2024, Dr. Werner's most billed Medicare services were office visit, established patient (99213), injected or infused drug (J0588) and eye exam or test (92250).
Where did Dr. Marc S. Werner go to medical school?
Dr. Werner graduated from Johns Hopkins University School of Medicine in 1989.
What drugs does Dr. Marc S. Werner prescribe most?
In 2024 Medicare Part D data, Dr. Werner's most prescribed drugs by claims were Latanoprost, Tobramycin-Dexamethasone and Lumigan.
Has Dr. Marc S. Werner received payments from drug or device companies?
CMS Open Payments shows $6,673 in general payments to Dr. Werner from 31 companies from 2016 to 2025. The largest total came from Johnson & Johnson Surgical Vision, Inc.
How long has Dr. Marc S. Werner been practicing?
Dr. Werner graduated from medical school in 1989, 37 years ago.
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