Gary Joseph Gretch, MD
Internal Medicine Physician · Bremerton, WA
Gary Joseph Gretch, MD is an internal medicine physician with a practice address in Bremerton, Washington, and NPI 1053392597, issued on Nov 10, 2005. Check the license (Washington MD00028724, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Gary Joseph Gretch
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD00028724 WA
Self-reported in NPPES; status is on the state search - Practice location
- 2601 Cherry Ave Ste 215, Bremerton, WA 98310
- Phone
- (360) 377-3923
- Enumerated
- Nov 10, 2005
- Record last updated
- May 28, 2026
- Fax
- (360) 373-4988
- Medicaid ID
- 1067537 WA
- Medicare enrollment
- Enrolled (PECOS I20031119000183); accepts Medicare assignment
- Medical or professional school
- Washington University School Of Medicine, 1987
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,079 in Washington → Look up another NPI →
Also registered at 2601 Cherry Ave Ste 215
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Michael Steele, MDInternal Medicine Physician1144283722
Verify Gary Joseph Gretch in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00028724Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.2 times the Medicare Part D claims of the average internal medicine physician in 2024
10,279 Medicare Part D claims for 841 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 291 claims were for opioids.
Most prescribed
- Atorvastatin Calcium804 claims
- Amlodipine Besylate553 claims
- Lisinopril492 claims
- Metformin Hcl370 claims
- Levothyroxine Sodium332 claims
- Losartan Potassium319 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.
Bills Medicare through 2 group practices
- Franciscan Medical GroupSilverdale, WA
- Olympic Internal Medicine, Inc., P.S.Bremerton, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gary Joseph Gretch among 3,079 internal medicine physician records in Washington
Gary Joseph Gretch, MD is one of 3,079 internal medicine 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 92% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1987 · median 2006 among the 1,852 with a school on file
- Record last updated2026 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
29 internal medicine physician records list a practice address in Bremerton
They are 29 of the 3,142 NPPES records with a practice address in Bremerton, and 3,079 internal medicine physician records in Washington.
All 3,079 in Washington → Every provider in Bremerton → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- William Bauer, MDBremerton, WA 983101902887276
- Frederick Dore, MDBremerton, WA 983101851372395
- Michael Gannon, M.D.Bremerton, WA 983101366582710
- Major Gross, MDBremerton, WA 983101326035387
- John Lamberg, MDBremerton, WA 983101053353292
- Irene Lee, MDBremerton, WA 983101861531113
- Naushaba Marri, MDBremerton, WA 983101679630461
- Donald Sharman, MDBremerton, WA 983101851331318
Common questions
What is Gary Joseph Gretch, MD's NPI number?
Gary Joseph Gretch, MD's National Provider Identifier (NPI) is 1053392597, issued on Nov 10, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gary Joseph Gretch, MD located?
The NPPES record lists a practice address at 2601 Cherry Ave Ste 215, Bremerton, WA, 98310. Phone: (360) 377-3923. Providers update this record themselves, so call before visiting.
How can I verify Gary Joseph Gretch, MD's license?
NPPES lists Washington license number MD00028724, 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 Joseph Gretch, MD prescribe under Medicare Part D?
In 2024, Gary Joseph Gretch, MD had 10,279 Medicare Part D claims for 841 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.