Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MICHAEL H SHANNON MD
NPI 1366551285
Internal Medicine - Endocrinology, Diabetes & Metabolism in Lacey, WA

Q: What is Michael Shannon's NPI number?

The NPI number for Michael Shannon is 1366551285. It was assigned to this individual provider in the NPPES registry on August 30, 2006.

Q: What is Michael Shannon's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Q: When was this NPI record last updated?

The NPPES record for Michael Shannon was last updated on August 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since August 30, 2006PECOS Enrolled

2555 MARVIN RD NE, PMG SW WA OLYMPIA ENDOCRINE, LACEY, WA 98516(360) 413-4250(360) 413-4256 Get Directions Write a Review

NPPES record last updated: August 5, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Michael H Shannon Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MICHAEL H SHANNON MD (NPI 1366551285) is an individual endocrinology, diabetes & metabolism provider in Lacey, Washington, licensed in Washington (MD00042625) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Providence St Peter Hospital, and maintains a secondary practice location in Elma.

NPPES Registry Identity

NPI1366551285

Entity TypeIndividualMale

Primary Taxonomy207RE0101X

Provider Legal NameMICHAEL H SHANNONCredential: MD

Location Address2555 MARVIN RD NE, PMG SW WA OLYMPIA ENDOCRINELacey, WA 98516-3138

Mailing AddressPo Box 3360Portland, OR 97208-3360 · (360) 486-6508

Phone(360) 413-4250

Fax(360) 413-4256

Sole ProprietorNo

Medical School CMSUniversity Of California, San Diego School Of MedicineGraduated 2001

Enumeration DateAugust 30, 2006

Last NPPES UpdateAugust 5, 2026

NPPES CertifiedAugust 5, 2026

✔ NPI 1366551285 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians

Taxonomy Code207RE0101X

License✔ Licensed in WA · MD00042625

Definition

An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

2555 MARVIN RD NE, Lacey, WA 98516

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Secondary Practice Location 1

Location 1600 E Main StElma, WA 98541-9560 · Phone (360) 346-2222

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Michael H Shannon Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3476647710

PECOS Enrollment IDI20070918000472

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Providence St Peter Hospital

Acute Care Hospitals · Olympia, WA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number500024

Location413 Lilly Road NEOlympia, WA 98506 · Thurston County

Emergency services Birthing friendly

Summit Pacific Medical Center

Critical Access Hospitals · Elma, WA

OwnershipGovernment - Hospital District or Authority

CMS Certification Number501304

Location600 East Main StreetElma, WA 98541 · Grays Harbor County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98516 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$130.99 typical visit price

range $57.27 – $172.80

Typical copayment $32.74 (range $14.31 – $43.20)

Most-billed visit code 99204

Established Patient

$100.78 typical visit price

range $18.56 – $141.11

Typical copayment $25.19 (range $4.64 – $35.27)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CARRIE WELTY ARNP

Nurse Practitioner (Family)

2555 MARVIN RD NE, PMG SW WA HAWKS PRAIRIE FM
LACEY, WA 98516

Thurston County (360) 413-4200

IOAN VLAD NICOLESCU MD

Internal Medicine