Doctor profile · Federal record

Dr. Samantha Day

Family Medicine Physician (CMS: Family Practice) · Fairfax, VA

  • NPI 1578132262
  • Accepts Medicare
  • 5 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3650 Joseph Siewick Dr Ste 400
Fairfax, VA 220331715
(703) 391-2020
fax (703) 264-9861

Credentials & registration

NPPES · NUCC
NPI registered
June 2021 — 5 yrs on file
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Virginia #0116035568

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1578132262. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$99
Transactions
4
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Astellas Pharma US Inc 1 $34.01
Amgen Inc. 1 $31.51
Salix Pharmaceuticals, a division of Bausch Health US, LLC 1 $18.66
GlaxoSmithKline, LLC. 1 $15.16

By nature of payment

Food and Beverage
$99

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
133
Patients
15
Total drug cost
$27,301
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 36 15 $539
Amlodipine Besylate Generic 22 0 $159
Eliquis (Apixaban) Brand 22 0 $26,016
Lisinopril Generic 21 0 $151
Levothyroxine Sodium Generic 16 0 $286
Losartan Potassium Generic 16 0 $150

Frequently asked questions

Auto-generated from federal data
What is Dr. Samantha Day's medical specialty?
Dr. Samantha Day practices Family Medicine Physician in Fairfax, VA.
Where does Dr. Samantha Day practice?
Dr. Samantha Day practices at 3650 Joseph Siewick Dr Ste 400, Fairfax, VA 220331715. Office phone: 7033912020.
What is Dr. Samantha Day's NPI?
Dr. Samantha Day's National Provider Identifier (NPI) is 1578132262, issued by NPPES.
Does Dr. Samantha Day accept Medicare assignment?
Yes. Dr. Samantha Day accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.