What is William Portner's specialty?

William Portner (NPI 1861489130) is a Medicare-billing provider whose primary specialty is Diagnostic Radiology in Norway, ME.

Where does William Portner practice?

William Portner practices in Norway, ME, based on the location reported in the CMS Medicare provider datasets for NPI 1861489130.

How much does Medicare pay William Portner?

Medicare Part B utilization, prescribing (Part D), MIPS quality scores, and industry payments for William Portner (NPI 1861489130) are detailed on this CareTrace profile.

PROVIDER PROFILE · NPI 1861489130

William Portner

PRACTICEMAINEHEALTHSee all providers at this practice →

Diagnostic RadiologyNorway, MEI

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

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 · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where William Portner'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). 66 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
MAINEHEALTH	1,510	5,921
KIELISZEK, FRANCIS	184	782
David Kumaki Internal Medicine · Norway, ME	164	471
MAINEHEALTH	150	273
Peter Harbage Internal Medicine · Norway, ME	142	409
Brian Nolan Internal Medicine · Norway, ME	134	438
Albert Sledge Emergency Medicine · Portland, ME	115	206
James Eshleman Family Practice · Calais, ME	115	456
Matthew Kerr Emergency Medicine · Norway, ME	114	195
Tobin Piker Emergency Medicine · Norway, ME	112	190
Thomas Hewson Emergency Medicine · Norway, ME	96	161
DECAROLIS, RICHARD	79	214

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