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

Michael H Shannon, MD

Individual provider Endocrinology, Diabetes & Metabolism Physician · NPI 1366551285

Michael H Shannon, MD is an Internal Medicine in Lacey, Washington. Graduated from University of California, San Diego School of Medicine in 2001, 25 years ago. Practices with Grays Harbor County Public Hospital District No 1, a 60-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
25
Trained at
University of California, San Diego School of Medicine
Licensed in
WA
In the registry since
2006
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

2555 Marvin Rd NE Pmg SW Wa Olympia Endocrine
Lacey, WA 98516-3138
Phone: (360) 413-4250
Fax: (360) 413-4256
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 600 E Main St, Elma, WA 98541-9560 — (360) 346-2222

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence MD00042625 (WA)

Record details

NPI number1366551285
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 30, 2006
Last updated in NPPESAugust 5, 2026
Certification dateAugust 5, 2026
Mailing addressPo Box 3360, Portland, OR 97208-3360

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF CALIFORNIA, SAN DIEGO SCHOOL OF MEDICINE
Graduated 2001 (25 years in practice)
Group practice Grays Harbor County Public Hospital District No 1 — 60 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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