NPI Lens

Hatem Alassy

NPI 1669461802ActiveIndividual· Dentist, Periodontics· Los Angeles, CA

Dentist, Periodontics in Los Angeles, California, licensed in CA and MN, with an NPI issued in October 2005. Part D covered 148 prescriptions written in 2024, 100% of them generic. Straumann USA LLC was the largest of 3 companies reporting payments in 2025, $3,720 in all, mostly travel and lodging.

Overview

NPI1669461802
StatusActive
Entity typeIndividual
Sole proprietorNo
NPI issuedOct 20, 2005
Last updated in NPPESMay 25, 2021
Certified by providerMay 25, 2021

Specialties and licenses

TaxonomyCodeLicenseState
Dentist, Periodontics Primary1223P0300X58091CA
Dentist, General Practice1223G0001XD11992MN

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Nov 10, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026No match—
New York OMIG · Nov 11, 2026No match—
Ohio Medicaid · Nov 11, 2026No match—
Pennsylvania Medicheck · Nov 11, 2026No match—
Washington HCA · Nov 11, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Not in the public enrollment file of Oct 1, 2026

Part D prescriptions in 2024

Prescriptions (claims)148 · 150 30-day fills
Patients44
Total drug cost$699.51
Generic share100% of claims

Medicare sources and data years

Industry payments (Open Payments)

  • 2025$3,720 · 11 payments from 3 companies
  • 2024$1,806 · 13 payments from 2 companies

Top paying companies in 2025

CompanyAmountPayments
Straumann USA LLC$3,6709
Geistlich Pharma, North America, Inc.$35.331
Dentsply Sirona Inc$14.071

What the 2025 payments were for

  • Travel and Lodging$2,058 · 1 payment
  • Food and Beverage$1,562 · 9 payments
  • Gift$100.00 · 1 payment

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

Other periodontists in Los Angeles

All 90 periodontists in Los Angeles · All periodontists in California