Michael Cassara, DO
Emergency Medicine Physician · Plainview, NY
Michael Cassara, DO is an emergency medicine physician with a practice address in Plainview, New York, and NPI 1447273289, issued on Jul 25, 2006. Check the license (New York 212341, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Michael Cassara
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 212341 NY
Self-reported in NPPES; status is on the state search - Practice location
- 888 Old Country RD, Plainview, NY 11803
- Phone
- (800) 376-5566
- Enumerated
- Jul 25, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 5,025 in New York → Look up another NPI →
Also registered at 888 Old Country RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Alina Abraham, DOStudent in an Organized Health Care Education/Training Program1528908134
- Brandon Abrenica, DOStudent in an Organized Health Care Education/Training Program1093655995
- Sadaf AfifStudent in an Organized Health Care Education/Training Program1568265882
- Christina AgarunovPhysician Assistant1174934442
Verify Michael Cassara in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 212341Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 91.3 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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Michael Cassara among 5,025 emergency medicine physician records in New York
Michael Cassara, DO is one of 5,025 emergency medicine physician records with a practice address in New York. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 72% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2007 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
21 emergency medicine physician records list a practice address in Plainview
They are 21 of the 1,588 NPPES records with a practice address in Plainview, and 5,025 emergency medicine physician records in New York.
All 5,025 in New York → Every provider in Plainview → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Gerard Brogan, MDPlainview, NY 118031417970005
- Melissa Cusumano, DOPlainview, NY 118031568633147
- Paul FoxPlainview, NY 118031033237995
- Alan Kaplan, MDPlainview, NY 118031326061250
- Alan Katz, M.D.Plainview, NY 118031760468540
- David Kugler, MDPlainview, NY 118031467475368
- Mariann Melicharek, M.D.,Plainview, NY 118031316039175
- Frank Nyberg, MDPlainview, NY 118031972625838
Common questions
What is Michael Cassara, DO's NPI number?
Michael Cassara, DO's National Provider Identifier (NPI) is 1447273289, issued on Jul 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael Cassara, DO located?
The NPPES record lists a practice address at 888 Old Country RD, Plainview, NY, 11803. Phone: (800) 376-5566. Providers update this record themselves, so call before visiting.
How can I verify Michael Cassara, DO's license?
NPPES lists New York license number 212341, 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.
What is Michael Cassara, DO's MIPS final score?
The 2023 MIPS final score is 91.3 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.