Cassandra L. Jonaitis
Family Nurse Practitioner · Manhasset, NY
Cassandra L. Jonaitis is a family nurse practitioner with a practice address in Manhasset, New York, and NPI 1619520376, issued on Jul 22, 2019. Check the license (New York 344804, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Cassandra L. Jonaitis
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 344804 NY
Self-reported in NPPES; status is on the state search - Practice location
- 400 Community Dr, Manhasset, NY 11030
- Phone
- (516) 562-0532
- Enumerated
- Jul 22, 2019
- Record last updated
- Jul 22, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 14,805 in New York → Look up another NPI →
Also registered at 400 Community Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Remina Abraham, FNP-BCFamily Nurse Practitioner1235863481
- Diego Acero, FNPFamily Nurse Practitioner1669913133
- Fatima Ali, RDNRegistered Dietitian1619844032
- Heather Anderson, R.D.Registered Dietitian1578833869
- Michael Arena, MDPsychiatry Physician1972672236
- Eskedar Azerefegne, M.D.Student in an Organized Health Care Education/Training Program1194655308
Verify Cassandra L. Jonaitis 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 344804Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average family nurse practitioner in 2024
62 Medicare Part D claims for 23 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Carvedilol11 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.
Cassandra L. Jonaitis among 14,805 family nurse practitioner records in New York
Cassandra L. Jonaitis is one of 14,805 family nurse practitioner records with a practice address in New York. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 52% of them.
- NPI issued2019 · 52% of these records are older, 42% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileNo · 49% of these records are
- Record last updated2019 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
98 family nurse practitioner records list a practice address in Manhasset
They are 98 of the 2,794 NPPES records with a practice address in Manhasset, and 14,805 family nurse practitioner records in New York.
All 14,805 in New York → Every provider in Manhasset → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Shirley Carrenard-McDowell, FNP, PMHNPManhasset, NY 110301972860930
- Ana Costa-Frease, NP-CManhasset, NY 110301558685586
- Michelle Cuoco, NPManhasset, NY 110301538483649
- Marie Frazzitta, NPManhasset, NY 110301154481299
- Elyse Isopo, NPManhasset, NY 110301619099553
- Shinamol JacobManhasset, NY 110301316204134
- Marsha McGee, FNPManhasset, NY 110301386877918
- Denise Mockler, NPManhasset, NY 110301053430173
Common questions
What is Cassandra L. Jonaitis's NPI number?
Cassandra L. Jonaitis's National Provider Identifier (NPI) is 1619520376, issued on Jul 22, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Cassandra L. Jonaitis located?
The NPPES record lists a practice address at 400 Community Dr, Manhasset, NY, 11030. Phone: (516) 562-0532. Providers update this record themselves, so call before visiting.
How can I verify Cassandra L. Jonaitis's license?
NPPES lists New York license number 344804, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Cassandra L. Jonaitis prescribe under Medicare Part D?
In 2024, Cassandra L. Jonaitis had 62 Medicare Part D claims for 23 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions 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. 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.