Registry data as of Aug 27, 2026

Nicholas Kavcsak, O.D.

Optometrist · Belvidere, NJ

Nicholas Kavcsak, O.D. is an optometrist with a practice address in Belvidere, New Jersey, and NPI 1841286465, issued on Sep 20, 2005. Check the license (New Jersey 4142/TO 00091, as entered in NPPES) with the New Jersey board that licenses this profession; 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
1841286465
Name
Nicholas Kavcsak
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
4142/TO 00091 NJ
Self-reported in NPPES; status is on the state search
Practice location
416 Front St, Belvidere, NJ 07823
Phone
(908) 475-5757
Enumerated
Sep 20, 2005
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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Verify Nicholas Kavcsak in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New Jersey board licenses this profession
    Search for license 4142/TO 00091
    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
Find the New Jersey 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.

44% fewer Medicare Part D claims than the average optometrist in 2024

157 Medicare Part D claims for 37 beneficiaries, against an average of 279 among the 32,314 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.

  1. Nicholas Kavcsak157
  2. Specialty average279

Most prescribed

  1. Latanoprost95 claims
  2. Brimonidine Tartrate25 claims
  3. Dorzolamide-Timolol16 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.

1 optometrist records list a Belvidere practice address

They are 1 of the 67 NPPES records with a Belvidere practice address, and 1,520 optometrist records in New Jersey.

Other optometrist records in New Jersey

  1. Silvana Abadeer, O.D.East Brunswick, NJ1447550645
  2. Charles Abady, O.D.Oakhurst, NJ1205817517
  3. Komal Abbas, ODAnnandale, NJ1811419914
  4. Laila Abbas, OD (OPTOMETRIST)Clifton, NJ1942722277
  5. Diamond Abbate, ODBurlington, NJ1932940210
  6. Gregg Abbate, O.D.Cherry Hill, NJ1568511921
  7. Aayh Abdelgawad, ODEast Windsor, NJ1760214183
  8. Rita Abdul- Massih, O.D.Little Silver, NJ1538178371
  9. Diellnor Abduramani, ODRiverdale, NJ1609768316
  10. Travis Abel, O.D.Woodcliff Lake, NJ1154760429

Common questions

What is Nicholas Kavcsak, O.D.'s NPI number?

Nicholas Kavcsak, O.D.'s National Provider Identifier (NPI) is 1841286465, issued on Sep 20, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Nicholas Kavcsak, O.D. located?

The NPPES record lists a practice address at 416 Front St, Belvidere, NJ, 07823. Phone: (908) 475-5757. Providers update this record themselves, so call before visiting.

How can I verify Nicholas Kavcsak, O.D.'s license?

NPPES lists New Jersey license number 4142/TO 00091, as entered by the provider. Search the New Jersey board that licenses this profession; the NPPES record confirms identity only.

How much does Nicholas Kavcsak, O.D. prescribe under Medicare Part D?

In 2024, Nicholas Kavcsak, O.D. had 157 Medicare Part D claims for 37 beneficiaries; the average among optometrist prescribers was 279. 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.