Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Gary Joseph Gretch, MD

Individual provider Internal Medicine Physician · NPI 1053392597

Dr. Gary Joseph Gretch, MD is an Internal Medicine in Bremerton, Washington. Graduated from Washington University School of Medicine in 1987, 39 years ago. Practices with Franciscan Medical Group, a 1,417-clinician group and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
39
Trained at
Washington University School of Medicine
Licensed in
WA
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2601 Cherry Ave Ste 215
Bremerton, WA 98310-4203
Phone: (360) 377-3923
Fax: (360) 373-4988
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD00028724 (WA)

Record details

NPI number1053392597
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 10, 2005
Last updated in NPPESMay 28, 2026
Certification dateMay 28, 2026
Mailing address2601 Cherry Ave Ste 215, Bremerton, WA 98310-4203

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolWASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 1987 (39 years in practice)
Group practice Franciscan Medical Group — 1417 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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