Doctor profile · Federal record

Dr. Gary Treece, MD

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Yakima, WA

  • NPI 1447269857
  • Accepts Medicare
  • 55 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
209 S 12Th Ave
Yakima, WA 989023110
(509) 577-4600
fax (509) 577-4619
Mailing address
732 Summitview Ave, #621
Yakima, WA 989023032

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
October 10, 2008
Year of graduation
1971 — 55 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
Washington #MD00022600
Medicaid
WA #1073436

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1447269857. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$80
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Pfizer INC. 1 $39.99
Sanofi-Aventis U.S. LLC 1 $23.01
Amgen INC. 1 $16.71

By nature of payment

Education
$40
Food and Beverage
$40

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
218
Patients
58
Total drug cost
$12,852
Drug Type Claims Patients Total cost
Methimazole Generic 66 23 $852
Levothyroxine Sodium Generic 61 22 $735
Metformin Hcl ER (Metformin Hcl) Brand 58 13 $839
Lantus Solostar (Insulin Glargine,Hum.Rec.Anlog) Brand 17 0 $10,086
Alendronate Sodium Generic 16 0 $340

Frequently asked questions

Auto-generated from federal data
What is Dr. Gary Treece's medical specialty?
Dr. Gary Treece practices Endocrinology, Diabetes & Metabolism Physician in Yakima, WA.
Where does Dr. Gary Treece practice?
Dr. Gary Treece practices at 209 S 12Th Ave, Yakima, WA 989023110. Office phone: 5095774600.
What is Dr. Gary Treece's NPI?
Dr. Gary Treece's National Provider Identifier (NPI) is 1447269857, issued by NPPES.
Does Dr. Gary Treece accept Medicare assignment?
Yes. Dr. Gary Treece accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.