Rosa Casamassa, FNP-C
NPI 1659956035 · Family Nurse Practitioner · North Babylon, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rosa Casamassa, FNP-C is a Family Nurse Practitioner provider in North Babylon, NY (NPI 1659956035).
Provider details
- NPI number
- 1659956035
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- 346405 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
5 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,556 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 1,608 | $103 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 948 | $71 |
Typical Medicare-allowed amounts for these services range $71–$103 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 42 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 74 | — |
| Furosemide | 67 | 14 |
| Famotidine | 56 | — |
| Levothyroxine Sodium | 53 | — |
| Potassium Chloride | 47 | 11 |
| Escitalopram Oxalate | 46 | — |
| Warfarin Sodium | 43 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$351 across 4 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 120 Mineola Blvd Ste 110Mineola, NY 11501-4077Phone: (516) 663-3061
Registry dates
- Enumerated
- 2021-03-16
- Last updated
- 2021-06-04
- Certified
- 2021-06-04
Frequently asked questions
- What is Rosa Casamassa's NPI number?
- Rosa Casamassa's National Provider Identifier (NPI) is 1659956035, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rosa Casamassa's specialty?
- Rosa Casamassa is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Rosa Casamassa located?
- Rosa Casamassa's practice location on file with NPPES is 1231 Deer Park Ave, North Babylon, NY 11703-3104.
- What is Rosa Casamassa's phone number?
- The practice phone number listed in the NPPES registry for Rosa Casamassa is (631) 667-0388.
- Does Rosa Casamassa accept Medicare?
- Rosa Casamassa is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rosa Casamassa's NPI active?
- Yes — Rosa Casamassa's NPI (1659956035) is active in the NPPES registry as of the last update on 2021-06-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.