Rosa Casamassa, FNP-C
Family Nurse Practitioner · North Babylon, NY
Rosa Casamassa, FNP-C is a family nurse practitioner with a practice address in North Babylon, New York, and NPI 1659956035, issued on Mar 16, 2021. Check the license (New York 346405, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Rosa Casamassa
- Credential
- FNP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 346405 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1231 Deer Park Ave, North Babylon, NY 11703
- Phone
- (631) 667-0388
- Enumerated
- Mar 16, 2021
- Record last updated
- Jun 4, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (631) 968-7705
- Medicare enrollment
- Enrolled (PECOS I20210511002308); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 14,805 in New York → Look up another NPI →
Also registered at 1231 Deer Park Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mark Baginski, D.O.Internal Medicine Physician1376991224
- Nicolle BerginAdult Health Nurse Practitioner1093377954
Verify Rosa Casamassa 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 346405Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% more Medicare Part D claims than the average family nurse practitioner in 2024
1,481 Medicare Part D claims for 63 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 75 claims were for opioids.
Most prescribed
- Eliquis74 claims
- Furosemide67 claims
- Famotidine56 claims
- Levothyroxine Sodium53 claims
- Potassium Chloride47 claims
- Escitalopram Oxalate46 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: $351.42
4 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Long Island Comprehensive Medical Care PLLCNorth Babylon, NY
- Square Care Medical Group LLPManhasset, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rosa Casamassa among 14,805 family nurse practitioner records in New York
Rosa Casamassa, FNP-C 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 2021, is newer than 63% of them.
- NPI issued2021 · 63% of these records are older, 30% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 49% of these records are
- Graduated2020 · median 2019 among the 7,239 with a school on file
- Record last updated2021 · 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).
14 family nurse practitioner records list a practice address in North Babylon
They are 14 of the 362 NPPES records with a practice address in North Babylon, and 14,805 family nurse practitioner records in New York.
All 14,805 in New York → Every provider in North Babylon → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Wislande DeroseNorth Babylon, NY 117031023969698
- Heather DishukNorth Babylon, NY 117031346038213
- Ilyse Febbraro, NPNorth Babylon, NY 117031578080446
- Stella Ikwuazom, NURSE PRACTITIONERNorth Babylon, NY 117031740595677
- Shan Jaffery, FNP-BCNorth Babylon, NY 117031558156323
- Elizabeth Jenks, FNP-BCNorth Babylon, NY 117031619748514
- Jessica Kehoe, FNPNorth Babylon, NY 117031922740752
- Henrietta NoicelyNorth Babylon, NY 117031417321092
Common questions
What is Rosa Casamassa, FNP-C's NPI number?
Rosa Casamassa, FNP-C's National Provider Identifier (NPI) is 1659956035, issued on Mar 16, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Rosa Casamassa, FNP-C located?
The NPPES record lists a practice address at 1231 Deer Park Ave, North Babylon, NY, 11703. Phone: (631) 667-0388. Providers update this record themselves, so call before visiting.
How can I verify Rosa Casamassa, FNP-C's license?
NPPES lists New York license number 346405, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Rosa Casamassa, FNP-C prescribe under Medicare Part D?
In 2024, Rosa Casamassa, FNP-C had 1,481 Medicare Part D claims for 63 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.