Registry data as of Aug 27, 2026

Mark Panish, MD

Internal Medicine Physician · Hempstead, NY

Mark Panish, MD is an internal medicine physician with a practice address in Hempstead, New York, and NPI 1962441154, issued on Jun 5, 2006. 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
1962441154
Name
Mark Panish
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
Practice location
226 Clinton St, Hempstead, NY 11550
Phone
(516) 483-2020
Enumerated
Jun 5, 2006
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 226 Clinton St

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

  1. Fatima Arshad, D.O.Family Medicine Physician1720494859
  2. Eugene Arum, M.D.Ophthalmology Physician1447319413
  3. Daniel Benasher, M.D.Internal Medicine Physician1780927558
  4. Maryanne Laffin, CNMMidwife1871597153
  5. Annibale Pluchinotta, MDOrthopaedic Surgery Physician1861447286
  6. Mohammad Qureshi, MDInternal Medicine Physician1972542165

Verify Mark Panish 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.

93% fewer Medicare Part D claims than the average internal medicine physician in 2024

194 Medicare Part D claims for 21 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.

  1. Mark Panish194
  2. Specialty average2,785

Most prescribed

  1. Rosuvastatin Calcium16 claims
  2. Losartan Potassium15 claims
  3. Levothyroxine Sodium13 claims
  4. Amlodipine Besylate11 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: $17.48

1 payment, mostly food and beverage; the largest payer was Boston Scientific Corporation. The 65,274 providers of this specialty with any payment received $2,536.66 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mark Panish$17.48
  2. Specialty average$2,536.66

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

22 internal medicine physician records list a Hempstead practice address

They are 22 of the 1,003 NPPES records with a Hempstead practice address, and 13,725 internal medicine physician records in New York.

Other internal medicine physician records in New York

  1. Deborah Aanonsen, D.O.Staten Island, NY1952395717
  2. Nivedita Aanur, M.D.New York, NY1982833471
  3. Jay Aaron, MDGreat Neck, NY1245332956
  4. Justin Aaron, MDNew York, NY1619243912
  5. Ahmad AbadiPoughkeepsie, NY1780258517
  6. Jamsheed Abadi, MDBrooklyn, NY1477537496
  7. Theophine Abakporo, M.D.Brooklyn, NY1972564813
  8. Antonieta Abarientos, MDNew Rochelle, NY1649285123
  9. Charles Abate, MDOssining, NY1720180003
  10. Vyachislav Abayev, M.D.Brooklyn, NY1437394574

Common questions

What is Mark Panish, MD's NPI number?

Mark Panish, MD's National Provider Identifier (NPI) is 1962441154, issued on Jun 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark Panish, MD located?

The NPPES record lists a practice address at 226 Clinton St, Hempstead, NY, 11550. Phone: (516) 483-2020. Providers update this record themselves, so call before visiting.

How can I verify Mark Panish, MD'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 Mark Panish, MD prescribe under Medicare Part D?

In 2024, Mark Panish, MD had 194 Medicare Part D claims for 21 beneficiaries; the average among internal medicine physician prescribers was 2,785. 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.