Doctor profile · Federal record

Dr. Rosa Casamassa, FNP-C

Family Nurse Practitioner (CMS: Nurse Practitioner) · North Babylon, NY

  • NPI 1659956035
  • Accepts Medicare
  • 6 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1231 Deer Park Ave
North Babylon, NY 117033104
(631) 667-0388
fax (631) 968-7705
Additional location
120 Mineola Blvd Ste 110
Mineola, NY 115014077
(516) 663-3061

Credentials & registration

NPPES · NUCC
NPI registered
March 2021 — 5 yrs on file
Profile last updated
June 4, 2021
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
New York #346405

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659956035. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,140
Distinct HCPCS
4
Medicare allowed
$203,056
HCPCS Description Services Patients Avg allowed
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 1,402 55 $103
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 655 54 $73
99214 Established patient office or other outpatient visit, 30-39 minutes 65 30 $126
99203 New patient office or other outpatient visit, 30-44 minutes 18 18 $112

In context: peer comparison

Among 1 peers in North Babylon Family Nurse Practitioner, average services per provider: 535. This provider delivers 4.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$351
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 1 $174.86
Exact Sciences Corporation 1 $125.63
Abbvie INC. 2 $50.93

By nature of payment

Food and Beverage
$351

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
583
Patients
102
Total drug cost
$23,328
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 60 14 $920
Atorvastatin Calcium Generic 53 28 $776
Metoprolol Tartrate Generic 53 12 $349
Gabapentin Generic 50 11 $465
Mirtazapine Generic 43 0 $455
Famotidine Generic 42 0 $506
Sertraline Hcl Generic 34 0 $301
Amlodipine Besylate Generic 33 15 $390
Furosemide Generic 33 0 $184
Oxycodone Hcl Generic 33 0 $345

Frequently asked questions

Auto-generated from federal data
What is Dr. Rosa Casamassa's medical specialty?
Dr. Rosa Casamassa practices Family Nurse Practitioner in North Babylon, NY.
Where does Dr. Rosa Casamassa practice?
Dr. Rosa Casamassa practices at 1231 Deer Park Ave, North Babylon, NY 117033104. Office phone: 6316670388.
What is Dr. Rosa Casamassa's NPI?
Dr. Rosa Casamassa's National Provider Identifier (NPI) is 1659956035, issued by NPPES.
Does Dr. Rosa Casamassa accept Medicare assignment?
Yes. Dr. Rosa Casamassa accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Rosa Casamassa commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.