Doctor profile · Federal record

Dr. Mary-Jane Williams, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Gastroenterology Physician · Scottsdale, AZ

  • NPI 1285096032
  • Accepts Medicare
  • 19 yrs in practice
  • Licensed in 3 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
13400 E Shea Blvd
Scottsdale, AZ 852595499
(480) 301-8000

Credentials & registration

NPPES · NUCC
NPI registered
March 2016 — 10 yrs on file
Profile last updated
July 17, 2025
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (3)
Arizona #69010 · Nevada #18189 · New Mexico #MD2023-1313

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1285096032. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,713
Transactions
11
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Boston Scientific Corporation 9 $1,615.60
Regeneron Pharmaceuticals, Inc. 1 $82.72
ABBVIE INC. 1 $14.40

By nature of payment

Travel and Lodging
$1,011
Food and Beverage
$702

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
59
Patients
27
Total drug cost
$901
Drug Type Claims Patients Total cost
Ciprofloxacin Hcl Generic 18 16 $87
Esomeprazole Magnesium Generic 15 0 $493
Omeprazole Generic 15 0 $251
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 11 11 $70

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary-Jane Williams's medical specialty?
Dr. Mary-Jane Williams practices Gastroenterology Physician in Scottsdale, AZ.
Where does Dr. Mary-Jane Williams practice?
Dr. Mary-Jane Williams practices at 13400 E Shea Blvd, Scottsdale, AZ 852595499. Office phone: 4803018000.
What is Dr. Mary-Jane Williams's NPI?
Dr. Mary-Jane Williams's National Provider Identifier (NPI) is 1285096032, issued by NPPES.
Does Dr. Mary-Jane Williams accept Medicare assignment?
Yes. Dr. Mary-Jane Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.