Doctor profile · Federal record

Dr. Hector Diaz-Otero, MD

Family Medicine Physician (CMS: Family Practice) · Marysville, WA

  • NPI 1508500810
  • Accepts Medicare
  • 5 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
9710 State Ave
Marysville, WA 982702232
(606) 531-7423
fax (360) 657-3095
Additional location
1202 Martin Luther King JR Way
Tacoma, WA 984053926
(253) 441-4742
Mailing address
Po Box 34703
Seattle, WA 981241703

Credentials & registration

NPPES · NUCC
NPI registered
April 2022 — 4 yrs on file
Profile last updated
July 31, 2025
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Washington #MD70027777

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1508500810. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$14
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Dexcom, Inc. 1 $14.31

By nature of payment

Food and Beverage
$14

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
90
Patients
0
Total drug cost
$593
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 33 0 $269
Metformin Hcl Generic 23 0 $65
Lisinopril Generic 22 0 $132
Metoprolol Succinate Generic 12 0 $126

Frequently asked questions

Auto-generated from federal data
What is Dr. Hector Diaz-Otero's medical specialty?
Dr. Hector Diaz-Otero practices Family Medicine Physician in Marysville, WA.
Where does Dr. Hector Diaz-Otero practice?
Dr. Hector Diaz-Otero practices at 9710 State Ave, Marysville, WA 982702232. Office phone: 6065317423.
What is Dr. Hector Diaz-Otero's NPI?
Dr. Hector Diaz-Otero's National Provider Identifier (NPI) is 1508500810, issued by NPPES.
Does Dr. Hector Diaz-Otero accept Medicare assignment?
Yes. Dr. Hector Diaz-Otero accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.