Doctor profile · Federal record

Dr. Maysie van Leeuwen

Physician Assistant (CMS: Allergy/Immunology) · Sandy, UT

  • NPI 1376204222
  • Accepts Medicare
  • 3 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
870 E 9400 S Ste 109
Sandy, UT 840943687
(385) 271-9720
fax (800) 455-1391

Credentials & registration

NPPES · NUCC
NPI registered
January 2022 — 4 yrs on file
Profile last updated
January 2, 2025
Year of graduation
2023 — 3 yrs since
Specialty taxonomy
363A00000X — NUCC code

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1376204222. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$225
Transactions
7
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 3 $147.65
Takeda Pharmaceuticals U.S.A., Inc. 1 $23.15
Pharming Healthcare, Inc. 1 $19.43
GlaxoSmithKline, LLC. 1 $18.07
BioCryst US Sales Co., LLC 1 $16.43

By nature of payment

Food and Beverage
$225

Frequently asked questions

Auto-generated from federal data
What is Dr. Maysie van Leeuwen's medical specialty?
Dr. Maysie van Leeuwen practices Physician Assistant in Sandy, UT.
Where does Dr. Maysie van Leeuwen practice?
Dr. Maysie van Leeuwen practices at 870 E 9400 S Ste 109, Sandy, UT 840943687. Office phone: 3852719720.
What is Dr. Maysie van Leeuwen's NPI?
Dr. Maysie van Leeuwen's National Provider Identifier (NPI) is 1376204222, issued by NPPES.
Does Dr. Maysie van Leeuwen accept Medicare assignment?
Yes. Dr. Maysie van Leeuwen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.