Doctor profile · Federal record

Dr. Matthew Santiago, DO

Student in an Organized Health Care Education/Training Program (CMS: Internal Medicine) · Internal Medicine Physician · Mesa, AZ

  • NPI 1427787555
  • Accepts Medicare
  • 4 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1301 S Crismon RD
Mesa, AZ 852093767
(480) 373-2376
fax (480) 373-2376
Additional location
3048 E Baseline RD Ste 120
Mesa, AZ 852047288
(480) 505-3276
Mailing address
Po Box 35380
Las Vegas, NV 891335380

Credentials & registration

NPPES · NUCC
NPI registered
June 2022 — 4 yrs on file
Profile last updated
September 16, 2025
Year of graduation
2022 — 4 yrs since
Specialty taxonomy
390200000X — NUCC code
State license (1)
Arizona #011601

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427787555. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$21
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Amgen INC. 1 $20.70

By nature of payment

Food and Beverage
$21

Frequently asked questions

Auto-generated from federal data
What is Dr. Matthew Santiago's medical specialty?
Dr. Matthew Santiago practices Student in an Organized Health Care Education/Training Program in Mesa, AZ.
Where does Dr. Matthew Santiago practice?
Dr. Matthew Santiago practices at 1301 S Crismon RD, Mesa, AZ 852093767. Office phone: 4803732376.
What is Dr. Matthew Santiago's NPI?
Dr. Matthew Santiago's National Provider Identifier (NPI) is 1427787555, issued by NPPES.
Does Dr. Matthew Santiago accept Medicare assignment?
Yes. Dr. Matthew Santiago accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.