What is Jill Summerfield's specialty?

Jill Summerfield (NPI 1912082256) is a Medicare-billing provider whose primary specialty is Internal Medicine in Seattle, WA.

Where does Jill Summerfield practice?

Jill Summerfield practices in Seattle, WA, based on the location reported in the CMS Medicare provider datasets for NPI 1912082256.

How much does Medicare pay Jill Summerfield?

Jill Summerfield (NPI 1912082256) received approximately $9K in total Medicare Part B payments, serving 68 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1912082256

Jill SummerfieldMD

Internal MedicineSeattle, WAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

101

Distinct HCPCS

Medicare payment

$7K

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

Beneficiaries

—

Total drug cost

$150

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Losartan Potassium20 claims

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 Jill Summerfield'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
DYNACARE NORTHWEST, INC	156	804
SWEDISH HEALTH SERVICES	43	77
SWEDISH HEALTH SERVICES	22	35
Kelli Arntzen Dermatology · Seattle, WA	15	27

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