Louis J Avvento, MD
Also practices: HEMATOLOGY/ONCOLOGY
Louis J Avvento, MD has practiced internal medicine for 45+ years, working in group practice. With 45+ years of experience, he has been practicing in the Southampton area. CMS Medicare data shows his patients commonly have hypertension, high cholesterol, and arthritis. CMS MIPS quality score: 99.15/100 (2023).
At a glance
- Prescribes opioids less than 29% of reporting doctors in New York
- Federal MIPS score higher than 75% of MIPS-scored doctors in New York
- Virtual visits available — no app or travel required
Older · 2289dNPPES updated 2020-01-30 · verify NPI on CMS · Verify license at New York State Board for Medicine
Contact & Location
Practice Location
640 County Road 39, Southampton, NY 11968-5219
How Does This Doctor Compare?
Based on Medicare data, this doctor scores better than 75% of doctors in New York on federal quality measures, prescribes opioid pain medications conservatively.
MIPS Score
202399.15/100
New York avg: 87 · US avg: 83.6
✓ Higher than most doctors nationally(+15.6 pts)
Better than 75% of MIPS-scored doctors in New YorkHow the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Opioid Rx
↓ Lower = better1.51%
New York avg: 3.5 · US avg: 5.1
✓ Higher than most doctors nationally(-3.6 pts)
1.51% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Medicare Patients
1,416
Unique beneficiaries
High volumePrescription Recipients
371
Patients prescribed
Prescriptions Written
3,114
Total claims
Total Medicare drug cost: $8.51M
Percentile rankings compared against 8,064 reporting peers in New York.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and Arthritis.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+5%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↑ More patients than average (+1%) — a focus area for this doctor
Diseases involving abnormal cell growth with potential to spread to other body parts
US avg: 20.8%↑ More patients than average (+22%) — a focus area for this doctor
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↑ More patients than average (+4%) — a focus area for this doctor
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↑ More patients than average (+2%) — a focus area for this doctor
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↓ Fewer patients than average (-5%) — less common here
Conditions affecting emotional state, including depression and bipolar disorder
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$144 received from industry
2 transactions reported in 2024 ·Low tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Louis J Avvento's NPI.
Patient Reviews
No patient reviews yet. If you've seen Louis J Avvento, your feedback helps other patients.
Review PolicyAll feedback is moderated before publishing. We verify reviewer identity where possible and enforce a one-review-per-provider policy. Full guidelines →
Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Board certified · Jan 29, 2020
CMS-verified certification date
45 years in practice
Senior practitioner
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Taxonomy: 207RH0003X
Mailing address
1500 Route 112 Bldg 4, Port Jefferson Station, NY 11776-8055
Differs from practice location
Virtual Hematology & Oncology Care With Louis J Avvento
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Louis J Avvento for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Southampton required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Louis J Avvento
Dr. Avvento is listed as active in the NPI registry with telehealth listed in Southampton, NY. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (631) 751-3000.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
Is this your profile?
Verify credentials, update practice details, and manage telehealth.
Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.
Contact Louis J Avvento
Practice Location
640 County Road 39, Southampton, NY 11968-5219
Mailing Address
1500 Route 112 Bldg 4, Port Jefferson Station, NY 11776-8055
This is a provider directory. Contact the office directly to schedule appointments.
Related Providers