Mary Ellen Cassidy, PA
Physician Assistant · Great Neck, NY
Mary Ellen Cassidy, PA is a physician assistant with a practice address in Great Neck, New York, and NPI 1114101615, issued on Dec 20, 2007. Check the license (New York 002298, as entered in NPPES) with the New York board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mary Ellen Cassidy
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 002298 NY
Self-reported in NPPES; status is on the state search - Practice location
- 935 Northern Blvd, Great Neck, NY 11021
- Phone
- (516) 466-9062
- Enumerated
- Dec 20, 2007
- Record last updated
- Nov 12, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (516) 466-9081
- Entity
- Type 1 · individual
Also registered at 935 Northern Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mary Ellen Cassidy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 002298Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61 physician assistant records list a practice address in Great Neck
They are 61 of the 2,508 NPPES records with a practice address in Great Neck, and 15,555 physician assistant records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 61 in Great Neck → All 15,555 in New York → Every provider in Great Neck →
Other physician assistant records in New York
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- Gabriella AaronCentral Islip, NY1790605376
- Danielle AaronsSmithtown, NY1881207520
- John AbadeerBrooklyn, NY1801434949
- Zenebou Abalo-Toga, PANew York, NY1124556154
- Kevin Alfred Abalos, PA-CCambria Heights, NY1700286424
- Clarisse AbanillaNew York, NY1598445579
- Vincent Abanilla, PA-CBrooklyn, NY1366201808
- Marie Abate, PA-CValhalla, NY1285225524
Common questions
What is Mary Ellen Cassidy, PA's NPI number?
Mary Ellen Cassidy, PA's National Provider Identifier (NPI) is 1114101615, issued on Dec 20, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mary Ellen Cassidy, PA located?
The NPPES record lists a practice address at 935 Northern Blvd, Great Neck, NY, 11021. Phone: (516) 466-9062. Providers update this record themselves, so call before visiting.
How can I verify Mary Ellen Cassidy, PA's license?
NPPES lists New York license number 002298, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.