NPPES file of Aug 9, 2026

Greg I. Dash, M.D.

Otolaryngology Physician · West Islip, NY

Greg I. Dash, M.D. is an otolaryngology physician with a practice address in West Islip, New York, and NPI 1538157136, issued on Oct 9, 2005. Check the license (New York 157919, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1538157136
Name
Greg I. Dash
Credential
M.D.
Primary taxonomy
Otolaryngology Physician 207Y00000X
License number
157919 NY
Self-reported in NPPES; status is on the state search
Practice location
1111 Montauk Hwy, West Islip, NY 11795
Phone
(631) 422-2700
Enumerated
Oct 9, 2005
Record last updated
Mar 31, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(631) 422-2749
Medicaid ID
01027843 NY
Medicare enrollment
Enrolled (PECOS I20091105000240); accepts Medicare assignment
Medical or professional school
Columbia University College Of Physicians And Surgeons, 1982
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 1111 Montauk Hwy

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

  1. Maria Cifone, DPMFoot & Ankle Surgery Podiatrist1972033132
  2. Katharine Cronin, MS, MPH, CPNPPediatric Nurse Practitioner1316298375
  3. Anthony Ferraro, D.P.M.Foot & Ankle Surgery Podiatrist1710242730
  4. Barry Goldberg, M.D.Pediatric Cardiology Physician1528063344
  5. Judyth Greenbaum, M.S.Genetic Counselor (M.S.)1801811070
  6. John Kannengieser, D.P.M.Foot & Ankle Surgery Podiatrist1447515465

Verify Greg I. Dash 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 157919
    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

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29% fewer Medicare Part D claims than the average otolaryngology physician in 2024

384 Medicare Part D claims for 193 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D.

  1. Greg Dash384
  2. Specialty average541

Most prescribed

  1. Fluticasone Propionate76 claims
  2. Ipratropium Bromide52 claims
  3. Neomycin-Polymyxin-Hc39 claims
  4. Fluocinolone Acetonide Oil27 claims
  5. Methylprednisolone24 claims
  6. Cefdinir23 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 MIPS final score for 2023 (Medicare payment program): 0 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 score0.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities0 of 40 points · 15%0.0

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

Industry payments in 2024: $336.46

5 payments; by number, the most common kind was food and beverage; the largest payer was Regeneron Healthcare Solutions, Inc. The 6,429 providers of this specialty with any payment received $1,922.50 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Greg Dash$336.46
  2. Specialty average$1,922.50

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

Greg I. Dash among 765 otolaryngology physician records in New York

Greg I. Dash, M.D. is one of 765 otolaryngology physician records with a practice address in New York. 82% 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, 87% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated1982 · median 2001 among the 542 with a school on file
  • Record last updated2008 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Otolaryngology Physician providers in New York

There are 765 otolaryngology physician records in New York.

The 8 otolaryngology physician records with the nearest ZIP codes

  1. Huseyin Isildak, M.DStony Brook, NY 117941245523000
  2. Joseph Lebowitz, MDStony Brook, NY 117941184243701
  3. Sonya Marcus, M.D.Stony Brook, NY 117941437594058
  4. David Shimunov, MDStony Brook, NY 117941336725753
  5. Simon Levy, MDWoodbury, NY 117971326086299
  6. Ali Ahmadizadeh, MDPlainview, NY 118031376598805
  7. Joseph Anticaglia, M.D.Plainview, NY 118031487624706
  8. Dev Chitkara, MDSmithtown, NY 117871982712105

Common questions

What is Greg I. Dash, M.D.'s NPI number?

Greg I. Dash, M.D.'s National Provider Identifier (NPI) is 1538157136, issued on Oct 9, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Greg I. Dash, M.D. located?

The NPPES record lists a practice address at 1111 Montauk Hwy, West Islip, NY, 11795. Phone: (631) 422-2700. Providers update this record themselves, so call before visiting.

How can I verify Greg I. Dash, M.D.'s license?

NPPES lists New York license number 157919, 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 Greg I. Dash, M.D. prescribe under Medicare Part D?

In 2024, Greg I. Dash, M.D. had 384 Medicare Part D claims for 193 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.

What is Greg I. Dash, M.D.'s MIPS final score?

The 2023 MIPS final score is 0 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.