Registry data as of Aug 27, 2026

Alexander Demidenko, D.O.

Ophthalmology Physician · Far Rockaway, NY

Alexander Demidenko, D.O. is an ophthalmology physician with a practice address in Far Rockaway, New York, and NPI 1356542591, issued on May 29, 2007. Check the license on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1356542591
Name
Alexander Demidenko
Credential
D.O.
Primary taxonomy
Ophthalmology Physician 207W00000X
Practice location
2004 Seagirt Blvd, Far Rockaway, NY 11691
Phone
(718) 868-8668
Enumerated
May 29, 2007
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2004 Seagirt Blvd

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

  1. Maya Rankova, M.D.Internal Medicine Physician1881772044

Verify Alexander Demidenko in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the ProfessionsCheck 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.

40% more Medicare Part D claims than the average ophthalmology physician in 2024

2,085 Medicare Part D claims for 355 beneficiaries, against an average of 1,490 among the 16,109 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims.

  1. Alexander Demidenko2,085
  2. Specialty average1,490

Most prescribed

  1. Latanoprost323 claims
  2. Prednisolone Acetate203 claims
  3. Neomycin-Polymyxin-Dexameth200 claims
  4. Ketorolac Tromethamine193 claims
  5. Ofloxacin188 claims
  6. Azelastine Hcl186 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: $66.86

2 payments, mostly food and beverage; the largest payer was Glaukos Corporation. The 12,922 providers of this specialty with any payment received $4,937.17 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Alexander Demidenko$66.86
  2. Specialty average$4,937.17

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

Ophthalmology Physician providers in New York

There are 1,746 ophthalmology physician records in New York.

Other ophthalmology physician records in New York

  1. Aliaa Abdelhakim Hamed, M.D., PH.D.New York, NY1023404175
  2. Majida Abdul Gaffar, M.D.Hawthorne, NY1235383928
  3. David H Abramson, MDNew York, NY1235114026
  4. Frank Accardi, MDNew York, NY1336253780
  5. Jacob Ackerman, MDBrooklyn, NY1710083050
  6. Stephen Adalman, M.D.Kingston, NY1003832726
  7. Christopher Adam, MDEast Patchogue, NY1962821355
  8. Anthony Adamis, M.D.New York, NY1104863117
  9. Adebukola Adebayo, M.D.Queens Village, NY1174766125
  10. Vishnu Adi, DOSlingerlands, NY1992447015

Common questions

What is Alexander Demidenko, D.O.'s NPI number?

Alexander Demidenko, D.O.'s National Provider Identifier (NPI) is 1356542591, issued on May 29, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Alexander Demidenko, D.O. located?

The NPPES record lists a practice address at 2004 Seagirt Blvd, Far Rockaway, NY, 11691. Phone: (718) 868-8668. Providers update this record themselves, so call before visiting.

How can I verify Alexander Demidenko, D.O.'s license?

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 Alexander Demidenko, D.O. prescribe under Medicare Part D?

In 2024, Alexander Demidenko, D.O. had 2,085 Medicare Part D claims for 355 beneficiaries; the average among ophthalmology physician prescribers was 1,490. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.