NPPES file of Aug 9, 2026

Marc E. Wietschner, M.D.

Retina Specialist (Ophthalmology) Physician · Floral Park, NY

Marc E. Wietschner, M.D. is a retina specialist (ophthalmology) physician with a practice address in Floral Park, New York, and NPI 1477555829, issued on Aug 15, 2005. Check the license (New York 186943, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1477555829
Name
Marc E. Wietschner
Credential
M.D.
Primary taxonomy
Retina Specialist (Ophthalmology) Physician 207WX0107X
License number
186943 NY
Self-reported in NPPES; status is on the state search
Practice location
342 Jericho Tpke, Floral Park, NY 11001
Phone
(516) 354-2020
Enumerated
Aug 15, 2005
Record last updated
Jan 29, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(516) 354-0400
Medicare enrollment
Enrolled (PECOS I20080520000858); accepts Medicare assignment
Medical or professional school
Albert Einstein College Of Medicine Of Yeshiva University, 1990
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 342 Jericho Tpke

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Olga Pikus, O.D.Optometrist1821351354

Verify Marc E. Wietschner in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 186943
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New York license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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6.2 times the Medicare Part D claims of the average retina specialist (ophthalmology) physician in 2024

3,854 Medicare Part D claims for 775 beneficiaries, against an average of 620 among the 1,449 providers of this specialty who prescribed in Part D. Brand-name drugs were 36% of claims.

  1. Marc Wietschner3,854
  2. Specialty average620

Most prescribed

  1. Latanoprost986 claims
  2. Dorzolamide-Timolol568 claims
  3. Prednisolone Acetate388 claims
  4. Ketorolac Tromethamine282 claims
  5. Ciprofloxacin Hcl270 claims
  6. Brimonidine Tartrate213 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $785.70

29 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 1,253 providers of this specialty with any payment received $7,667.49 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Marc Wietschner$785.70
  2. Specialty average$7,667.49

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Ophthalmic Consultants OF Long IslandFloral Park, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Marc E. Wietschner among 102 retina specialist (ophthalmology) physician records in New York

Marc E. Wietschner, M.D. is one of 102 retina specialist (ophthalmology) physician records with a practice address in New York. over 99% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 86% newer
  • In a Medicare fileYes · over 99% of these records are
  • In the CMS Doctors and Clinicians fileYes · 96% of these records are
  • Graduated1990 · median 2004 among the 98 with a school on file
  • Record last updated2018 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207WX0107X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Retina Specialist (Ophthalmology) Physician providers in New York

There are 102 retina specialist (ophthalmology) physician records in New York.

The 8 retina specialist (ophthalmology) physician records with the nearest ZIP codes

  1. Paul Guerriero, M.D.Orangeburg, NY 109621982697033
  2. Paul Hahn, MDNanuet, NY 109541043360704
  3. Jeffrey Josef, M.D.Suffern, NY 109011326249558
  4. Ilya Leskov, M.D., PH.D.Brooklyn, NY 112031982959029
  5. Alexander Pinhas, M.D.Brooklyn, NY 112031033506852
  6. Mark Harooni, M.D.Brooklyn, NY 112171013014406
  7. Norman Saffra, MDBrooklyn, NY 112191811979735
  8. Joseph Podhorzer, M.D.Brooklyn, NY 112291073515847

Common questions

What is Marc E. Wietschner, M.D.'s NPI number?

Marc E. Wietschner, M.D.'s National Provider Identifier (NPI) is 1477555829, issued on Aug 15, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Marc E. Wietschner, M.D. located?

The NPPES record lists a practice address at 342 Jericho Tpke, Floral Park, NY, 11001. Phone: (516) 354-2020. Providers update this record themselves, so call before visiting.

How can I verify Marc E. Wietschner, M.D.'s license?

NPPES lists New York license number 186943, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Marc E. Wietschner, M.D. prescribe under Medicare Part D?

In 2024, Marc E. Wietschner, M.D. had 3,854 Medicare Part D claims for 775 beneficiaries; the average among retina specialist (ophthalmology) physician prescribers was 620. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.