Doctor profile · Federal record
Dr. Louis Avvento, MD
Hematology & Oncology Physician (CMS: Medical Oncology) · Southampton, NY
- NPI 1417999533
- Accepts Medicare
- MIPS 99.2 / 100 · 2023
- 45 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
640 County Road 39
Southampton, NY 119685219
(631) 751-3000
fax (631) 509-6559 - Mailing address
-
1500 Route 112 Bldg 4
Port Jefferson Station, NY 117768055
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- January 30, 2020
- Year of graduation
- 1981 — 45 yrs since
- Specialty taxonomy
- 207RH0003X — NUCC code
- State license (1)
- New York #161779
- Medicaid
- NY #01104521
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1417999533. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
206,976
Distinct HCPCS
10
Medicare allowed
$3,428,354
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J1439 |
Injection, ferric carboxymaltose, 1 mg | 68,250 | 63 | $1 | |
J0881 |
Injection, darbepoetin alfa, 1 microgram (non-esrd use) | 26,000 | 23 | $3 | |
J9144 |
Injection, daratumumab, 10 mg and hyaluronidase-fihj | 16,200 | 17 | $48 | |
J1756 |
Injection, iron sucrose, 1 mg | 13,000 | 34 | $0 | |
J0897 |
Injection, denosumab, 1 mg | 11,520 | 58 | $23 | |
J9271 |
Injection, pembrolizumab, 1 mg | 9,800 | 19 | $54 | |
88185 |
Flow cytometry technique for dna or cell analysis, each additional marker | 7,913 | 209 | $29 | |
36415 |
Insertion of needle into vein for collection of blood sample | 4,171 | 1,235 | $8 | |
85025 |
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 4,127 | 1,190 | $8 | |
J9041 |
Injection, bortezomib, 0.1 mg | 3,344 | 12 | $5 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 2,009. This provider delivers 103× the peer median.Open Payments
Industry payments received
All-time total
$144
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals LP | 1 | $123.65 | |
| CSL Behring | 1 | $20.00 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,481
Patients
331
Total drug cost
$2,873,459
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Aranesp (Darbepoetin Alfa In Polysorbat) | Brand | 269 | 62 | $1,063,611 |
| Prednisone | Generic | 181 | 47 | $1,333 |
| Eliquis (Apixaban) | Brand | 164 | 33 | $113,900 |
| Letrozole | Generic | 134 | 30 | $2,434 |
| Hydroxyurea | Generic | 102 | 22 | $3,303 |
| Xarelto (Rivaroxaban) | Brand | 94 | 23 | $79,893 |
| Akynzeo (Fosnetupitant/Palonosetron) | Brand | 80 | 20 | $110,170 |
| Anastrozole | Generic | 78 | 14 | $1,435 |
| Xtandi (Enzalutamide) | Brand | 70 | 0 | $994,244 |
| Allopurinol | Generic | 66 | 19 | $783 |
Frequently asked questions
What is Dr. Louis Avvento's medical specialty?
Dr. Louis Avvento practices Hematology & Oncology Physician in Southampton, NY.
Where does Dr. Louis Avvento practice?
Dr. Louis Avvento practices at 640 County Road 39, Southampton, NY 119685219. Office phone: 6317513000.
What is Dr. Louis Avvento's NPI?
Dr. Louis Avvento's National Provider Identifier (NPI) is 1417999533, issued by NPPES.
Does Dr. Louis Avvento accept Medicare assignment?
Yes. Dr. Louis Avvento accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Louis Avvento commonly perform?
Top Medicare-reported procedures in 2023: Injection, ferric carboxymaltose, 1 mg (HCPCS J1439); Injection, darbepoetin alfa, 1 microgram (non-esrd use) (HCPCS J0881); Injection, daratumumab, 10 mg and hyaluronidase-fihj (HCPCS J9144). Source: CMS Medicare Physician & Other Practitioners file.