Dr. Marc E. Wietschner, MD
- Medicare services, 2024
- 4,207
- Medicare patients, 2024
- 891
- Part D claims, 2024
- 3,854
- Industry payments
- $5,012
- Affiliated sites
- 2
- 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. Wietschner'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 E. Wietschner is a retina specialist (ophthalmology) physician in Garden City, New York
Dr. Wietschner practices at Ophthalmic Consultants of Long Island in Garden City, New York.
Dr. Wietschner's NPI, 1477555829, was assigned on August 15, 2005. Dr. Wietschner graduated from Albert Einstein College of Medicine of Yeshiva University in 1990. Dr. Wietschner holds New York license 186943.
- NPI
- 1477555829NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3971672619
- NPI enumeration date
- August 15, 2005
- 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
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Marc E. Wietschner practices at Ophthalmic Consultants of Long Island in Garden City, New York
Dr. Wietschner'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 E. Wietschner is affiliated with 3 sites of care and 2 medical groups
Dr. Wietschner's primary practice is Ophthalmic Consultants of Long Island in Garden City, New York. Dmand AI also links Dr. Wietschner to 2 group practices and clinics and 2 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 Dr. Marc E. Wietschner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wietschner practices, 2 sites in all. 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 |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Marc E. Wietschner is one of 96 retina specialist (ophthalmology) physicians in New York
Retina specialist is Dr. Wietschner's primary specialty in the NPI Registry, under taxonomy code 207WX0107X. Dr. Wietschner is licensed in New York.
Specialties and state licenses
- Retina specialist (ophthalmology), New YorkPrimary
Retina specialist (ophthalmology) physicians near Dr. Wietschner
Counts of retina specialist (ophthalmology) physicians 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 E. Wietschner billed Medicare for 4,207 services in 2024
CMS data shows 4,207 Medicare services from Dr. Wietschner across 20 procedure codes in 2024, for 891 Medicare patients. Medicare paid $323,734 for them.
Dr. Wietschner's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 3,9792024: 3,8633%
- Surgery
- 2023: 2092024: 18014%
- Drugs given in the office
- 2023: 822024: 802%
- Office and hospital visits
- 2023: 852024: 6128%
- Imaging
- 2023: 182024: 2328%
Where Dr. Wietschner's Medicare services took place, 2024
- In an office4,14999%
- In a facility581%
Dr. Wietschner compared with the New York median for retina specialist (ophthalmology) physicians, 2024
- Dr. Wietschner
- New York median
- Medicare services
- 4,207vs 6,94439% below
- Medicare patients
- 891vs 54464% above
- Part D claims
- 3,758vs 5227.2 times
Medians across 94 retina specialist (ophthalmology) physicians in New York with Dmand AI profiles that report each measure.
Dr. Wietschner'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. Wietschner?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Wietschner and other retina specialist (ophthalmology) physicians in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Marc E. Wietschner treated 891 Medicare patients in 2024, average age 75
CMS counts 891 Medicare patients who saw Dr. Wietschner in 2024. The largest group is 65 to 74, with 433 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 21% are also on Medicaid. Their average risk score is 1.17, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Wietschner's median patient age at 66, with 57% women.
Dr. Wietschner's Medicare patients by age, 2024
Dr. Wietschner's Medicare patients by sex, 2024
- Women52559%
- Men36641%
Chronic conditions among Dr. Wietschner's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes53%
- Arthritis38%
- Ischemic heart disease29%
- Chronic kidney disease23%
- Cancer16%
- Heart failure13%
Share of Medicare patients with each condition. A patient can have several.
Dr. Wietschner'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
- Women57%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Marc E. Wietschner wrote 3,854 Medicare Part D claims in 2024
In 2024, Dr. Wietschner wrote 3,854 Medicare Part D claims for 775 patients. 64% of them were for generic drugs. CMS names the drug for 3,758 of them, across 27 drugs with 11 or more claims each, at $534,194 in total drug cost. In 2023, CMS named 3,887 claims across 28 drugs.
Dr. Wietschner's Part D claims by kind of drug, 2024
- Generic2,449 claims64%
- Brand-name1,405 claims36%
Dr. Wietschner'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. Wietschner's Part D claims, 2024
- Antibiotics0%17 of 3,854 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: 3,8872024: 3,7583%
Drugs named by CMS: 27 in 2024, 28 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 E. Wietschner ranks in the 63rd percentile for cataract surgery in Medicare
Dr. Wietschner accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 51 procedures of cataract surgery by Dr. Wietschner, more than 63% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Wietschner ranks in Medicare procedure volume
- Cataract surgery
- 63rd percentile51 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 E. Wietschner received $5,012 in industry payments from 2016 to 2025
CMS Open Payments shows 210 general payments to Dr. Wietschner from 26 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. Abbvie Inc. paid the most, $903.
General payments to Dr. Wietschner by program year, 2016 to 2025
General payments to Dr. Wietschner by kind, 2016 to 2025
- Food and beverage$4,92798%
- Education$782%
- Entertainment$80%
Companies that paid Dr. Wietschner 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 E. Wietschner graduated from Albert Einstein College of Medicine of Yeshiva University
Dr. Wietschner graduated from Albert Einstein College of Medicine of Yeshiva University in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Marc E. Wietschner'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 E. Wietschner
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What is Dr. Marc E. Wietschner's NPI number?
Dr. Marc E. Wietschner's NPI number is 1477555829. It was assigned on August 15, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Marc E. Wietschner?
Dr. Marc E. Wietschner is a retina specialist (ophthalmology) physician in Garden City, New York. The primary specialty in the NPI Registry is Retina Specialist (Ophthalmology) Physician (taxonomy code 207WX0107X).
Where does Dr. Marc E. Wietschner practice?
Dr. Wietschner practices at 825 E Gate Blvd, Garden City, NY 11530. Dr. Wietschner's primary practice is Ophthalmic Consultants of Long Island in Garden City, New York. Dmand AI also links Dr. Wietschner to 2 group practices and clinics and 2 medical groups.
What is Dr. Marc E. Wietschner's office phone number?
The practice phone on file for Dr. Wietschner is (516) 766-2519.
What is Dr. Marc E. Wietschner's medical license number?
Dr. Wietschner holds New York license 186943.
Does Dr. Marc E. Wietschner accept Medicare?
Yes. CMS data shows Dr. Wietschner billed Medicare for 4,207 services in 2024, and Dr. Wietschner accepts Medicare assignment.
How many Medicare patients does Dr. Marc E. Wietschner see?
CMS counts 891 Medicare patients who saw Dr. Wietschner in 2024, with an average age of 75.
What services does Dr. Marc E. Wietschner bill to Medicare?
In 2024, Dr. Wietschner's most billed Medicare services were eye exam or test (92014), eye exam or test (92012) and eye exam or test (92250).
Where did Dr. Marc E. Wietschner go to medical school?
Dr. Wietschner graduated from Albert Einstein College of Medicine of Yeshiva University in 1990.
What drugs does Dr. Marc E. Wietschner prescribe most?
In 2024 Medicare Part D data, Dr. Wietschner's most prescribed drugs by claims were Latanoprost, Dorzolamide-Timolol and Prednisolone Acetate.
Has Dr. Marc E. Wietschner received payments from drug or device companies?
CMS Open Payments shows $5,012 in general payments to Dr. Wietschner from 26 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Marc E. Wietschner been practicing?
Dr. Wietschner graduated from medical school in 1990, 36 years ago.
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