Doctor profile · Federal record

Dr. Nicholaos Bellos, MD

Internal Medicine Physician (CMS: Infectious Disease) · Infectious Disease Physician · Dallas, TX

  • NPI 1962471128
  • Accepts Medicare
  • 45 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2603 Oak Lawn Ave, 500
Dallas, TX 752194021
(214) 396-4201
fax (469) 453-3335

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
September 20, 2024
Year of graduation
1981 — 45 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Texas #G2108
Medicaid (2)
TX #128539706 · TX #128539709

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1962471128. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$49,223
Transactions
53
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Gilead Sciences, INC. 49 $48,968.50
Theratechnologies INC. 3 $224.73
Merck Sharp & Dohme LLC 1 $29.88

By nature of payment

Compensation for Services Other Than Consulting, Including Serving As Faculty or As A Speaker at A Venue Other Than A Continuing Education Program
$42,870
Travel and Lodging
$4,406
Food and Beverage
$1,947

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
215
Patients
0
Total drug cost
$413,802
Drug Type Claims Patients Total cost
Genvoya (Elviteg/Cob/Emtri/Tenof Alafen) Brand 24 0 $99,057
Symtuza (Darunavir/Cob/Emtri/Tenof Alaf) Brand 22 0 $128,610
Losartan Potassium Generic 18 0 $245
Valacyclovir (Valacyclovir Hcl) Brand 16 0 $1,548
Tamsulosin Hcl Generic 15 0 $375
Testosterone Cypionate Generic 15 0 $682
Atorvastatin Calcium Generic 14 0 $186
Doxycycline Hyclate Generic 14 0 $856
Egrifta Sv (Tesamorelin Acetate) Brand 14 0 $106,028
Rosuvastatin Calcium Generic 14 0 $365

Frequently asked questions

Auto-generated from federal data
What is Dr. Nicholaos Bellos's medical specialty?
Dr. Nicholaos Bellos practices Internal Medicine Physician in Dallas, TX.
Where does Dr. Nicholaos Bellos practice?
Dr. Nicholaos Bellos practices at 2603 Oak Lawn Ave, Dallas, TX 752194021. Office phone: 2143964201.
What is Dr. Nicholaos Bellos's NPI?
Dr. Nicholaos Bellos's National Provider Identifier (NPI) is 1962471128, issued by NPPES.
Does Dr. Nicholaos Bellos accept Medicare assignment?
Yes. Dr. Nicholaos Bellos accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.