Gary L. Treece, MD
Endocrinology, Diabetes & Metabolism Physician · Yakima, WA
Gary L. Treece, MD is an endocrinology, diabetes & metabolism physician with a practice address in Yakima, Washington, and NPI 1447269857, issued on Aug 5, 2006. Check the license (Washington MD.MD.00022600, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Gary L. Treece
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- MD.MD.00022600 WA
Self-reported in NPPES; status is on the state search - Practice location
- 209 S 12TH Ave, Yakima, WA 98902
- Phone
- (509) 577-4600
- Enumerated
- Aug 5, 2006
- Record last updated
- Aug 4, 2026
- Fax
- (509) 577-4619
- Medicaid ID
- 1073436 WA
- Medicare enrollment
- Enrolled (PECOS I20040206000699); accepts Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 1971
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 224 in Washington → Look up another NPI →
Also registered at 209 S 12TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- James Charles, PA-CMedical Physician Assistant1235153255
- Suzanne FromherzNurse Practitioner1912947136
Verify Gary L. Treece in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD.MD.00022600Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
215 Medicare Part D claims for 62 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D.
Most prescribed
- Levothyroxine Sodium83 claims
- Methimazole36 claims
- Alendronate Sodium20 claims
- Metformin Hcl Er20 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $79.71
3 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Shc Medical Center ToppenishUnion Gap, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gary L. Treece among 224 endocrinology, diabetes & metabolism physician records in Washington
Gary L. Treece, MD is one of 224 endocrinology, diabetes & metabolism physician records with a practice address in Washington. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 55% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1971 · median 2006 among the 140 with a school on file
- Record last updated2026 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Washington
There are 224 endocrinology, diabetes & metabolism physician records in Washington.
All 224 in Washington → Every provider in Yakima → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Biju Kunhiraman, MDYakima, WA 989021740221506
- Sikarin Upala, M.D.Union Gap, WA 989031013334556
- Krishna Chivukula, M.D.Omak, WA 988411689019648
- Mary Deleon, MDWenatchee, WA 988011184692006
- Navjot Kaur GrewalWenatchee, WA 988011669047882
- Bindu Nayak, M.D.Wenatchee, WA 988011043419732
- Lisa Stone, MDWenatchee, WA 988011114943180
- Katherine Chubinskaya, MDVancouver, WA 986861346433166
Common questions
What is Gary L. Treece, MD's NPI number?
Gary L. Treece, MD's National Provider Identifier (NPI) is 1447269857, issued on Aug 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gary L. Treece, MD located?
The NPPES record lists a practice address at 209 S 12TH Ave, Yakima, WA, 98902. Phone: (509) 577-4600. Providers update this record themselves, so call before visiting.
How can I verify Gary L. Treece, MD's license?
NPPES lists Washington license number MD.MD.00022600, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gary L. Treece, MD prescribe under Medicare Part D?
In 2024, Gary L. Treece, MD had 215 Medicare Part D claims for 62 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.