What is John Shima's specialty?

John Shima (NPI 1598706103) is a Medicare-billing provider whose primary specialty is Internal Medicine in Forks, WA.

Where does John Shima practice?

John Shima practices in Forks, WA, based on the location reported in the CMS Medicare provider datasets for NPI 1598706103.

How much does Medicare pay John Shima?

John Shima (NPI 1598706103) received approximately $146 in total Medicare Part B payments, serving 14 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1598706103

John ShimaMD

PRACTICEPAULUS D TSAI MD PSSee all providers at this practice →

Internal MedicineForks, WAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$93

Peer benchmark

Total Medicare services vs. 1,650 Internal Medicine providers in WA — bottom quintile (cohort median 497).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where John Shima's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 8 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
CLALLAM COUNTY PUBLIC HOSPITAL DISTRICT NO 1	42	119
Kirk Cole Diagnostic Radiology · Port Angeles, WA	35	102
CLALLAM COUNTY PUBLIC HOSPITAL DISTRICT 2	29	78
Lawrence Nivala Optometry · Port Angeles, WA	23	50
Jeffrey Wallhoff Family Practice · Monroe, WA	18	38
Kirk Christianson Chiropractic · Forks, WA	17	62
CLALLAM COUNTY PUBLIC HOSPITAL DISTRICT 2	13	29
MCGOVERN, TRISTAN	11	58

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events