Registry data as of Aug 27, 2026

Mark Nelson, DO

Neurology Physician · Lynbrook, NY

Mark Nelson, DO is a neurology physician with a practice address in Lynbrook, New York, and NPI 1922084409, issued on Dec 16, 2005. Check the license (New York 198019, 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, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1922084409
Name
Mark Nelson
Credential
DO
Primary taxonomy
Neurology Physician 2084N0400X
License number
198019 NY
Self-reported in NPPES; status is on the state search
Practice location
360 Merrick RD FL 1, Lynbrook, NY 11563
Phone
(516) 887-3516
Enumerated
Dec 16, 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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Also registered at 360 Merrick RD FL 1

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

  1. Oksana Avizova, NPSchool Registered Nurse1215727680
  2. Eric Hanauer, MDNeurology Physician1639155096
  3. Lewis Levy, M.D.Neurology Physician1750372702
  4. Asha Mathews, PAMedical Physician Assistant1669759841
  5. Svetlana Musheyeva, PA-CPhysician Assistant1659795011
  6. Stephen Roth, MDNeurology Physician1801075239

Verify Mark Nelson 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 198019
    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.

6.4 times the Medicare Part D claims of the average neurology physician in 2024

8,780 Medicare Part D claims for 1,035 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 85 claims were for opioids.

  1. Mark Nelson8,780
  2. Specialty average1,370

Most prescribed

  1. Donepezil Hcl1,004 claims
  2. Memantine Hcl873 claims
  3. Gabapentin605 claims
  4. Sertraline Hcl482 claims
  5. Escitalopram Oxalate426 claims
  6. Quetiapine Fumarate422 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.

The Medicare quality score for 2023: 75.8 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score72.8
  2. Costout of 100 · 30%
  3. Promoting interoperabilityout of 100 · 25%69.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $2,678.36

122 payments, mostly food and beverage; the largest payer was Abbvie Inc. The 10,858 providers of this specialty with any payment received $8,318.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mark Nelson$2,678.36
  2. Specialty average$8,318.07

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. Long Island Neurology ConsultantsLynbrook, NY

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

Neurology Physician providers in New York

There are 1,778 neurology physician records in New York.

Other neurology physician records in New York

  1. Ajay Abad, MDBuffalo, NY1639311244
  2. Sara Abdelhafiz, MDSyracuse, NY1487232344
  3. Sami Abdul-Malak, MDSyracuse, NY1891835658
  4. Asa Abeliovich, M.D.New York, NY1740234129
  5. Yvelyne Abellard, MDNew York, NY1285734202
  6. Nada Abou-Fayssal, MDBrooklyn, NY1225095292
  7. Charles Abrams, M.D.Brooklyn, NY1144347410
  8. Rory Abrams, MDNew York, NY1902284292
  9. Lauren Abrey, MDNew York, NY1336110360
  10. Jose Acevedo, MDNew York, NY1568455525

Common questions

What is Mark Nelson, DO's NPI number?

Mark Nelson, DO's National Provider Identifier (NPI) is 1922084409, issued on Dec 16, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Mark Nelson, DO located?

The NPPES record lists a practice address at 360 Merrick RD FL 1, Lynbrook, NY, 11563. Phone: (516) 887-3516. Providers update this record themselves, so call before visiting.

How can I verify Mark Nelson, DO's license?

NPPES lists New York license number 198019, 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 Mark Nelson, DO prescribe under Medicare Part D?

In 2024, Mark Nelson, DO had 8,780 Medicare Part D claims for 1,035 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.

What is Mark Nelson, DO's Medicare quality score?

The 2023 MIPS final score is 75.8 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.

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) 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 27, 2026.