What is John Sheffield's specialty?

John Sheffield (NPI 1740366491) is a Medicare-billing provider whose primary specialty is Internal Medicine in Seattle, WA.

Where does John Sheffield practice?

John Sheffield practices in Seattle, WA, based on the location reported in the CMS Medicare provider datasets for NPI 1740366491.

How much does Medicare pay John Sheffield?

John Sheffield (NPI 1740366491) received approximately $20K in total Medicare Part B payments, serving 98 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1740366491

John Sheffield

PRACTICEUNIVERSITY OF WASHINGTONSee all providers at this practice →

Internal MedicineSeattle, WAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

188

Unique beneficiaries

—

Total services

362

Distinct HCPCS

Medicare payment

$18K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

1,965

Beneficiaries

—

Total drug cost

$212K

Distinct drugs

Brand share

21.4%

Top prescribed drugs

Atorvastatin Calcium174 claims

Amlodipine Besylate158 claims

Oxycodone Hcl85 claims

Losartan Potassium68 claims

Tamsulosin Hcl63 claims

QUALITY · MIPS · 2024

Final MIPS score

93.8

Quality

74.6

Cost

0.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.79%

APM Entity

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where John Sheffield'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). 4 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
HARBORVIEW MEDICAL CENTER	209	1,400
UNIVERSITY OF WASHINGTON	19	109
Jocelyn James Internal Medicine · Seattle, WA	15	43
RHOADS, CAROLINE	12	34

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