What is William Parkkonen's specialty?

William Parkkonen (NPI 1851454276) is a Medicare-billing provider whose primary specialty is Nurse Practitioner in Marquette, MI.

Where does William Parkkonen practice?

William Parkkonen practices in Marquette, MI, based on the location reported in the CMS Medicare provider datasets for NPI 1851454276.

How much does Medicare pay William Parkkonen?

William Parkkonen (NPI 1851454276) received approximately $28K in total Medicare Part B payments, serving 68 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1851454276

William ParkkonenNP

PRACTICECRAIG T COCCIA, M.D., P.C.See all providers at this practice →

Nurse PractitionerMarquette, MII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

129

Unique beneficiaries

—

Total services

466

Distinct HCPCS

Medicare payment

$27K

Peer benchmark

Total Medicare services vs. 5,391 Nurse Practitioner providers in MI — top quintile (cohort median 188).

PRESCRIBING · PART D · 2024

Total Rx claims

2,360

Beneficiaries

—

Total drug cost

$61K

Distinct drugs

Brand share

18.6%

Top prescribed drugs

Trazodone Hcl169 claims

Lamotrigine156 claims

Venlafaxine Hcl145 claims

Quetiapine Fumarate127 claims

Clonazepam125 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 William Parkkonen'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). 3 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
John Lehtinen Family Medicine · Marquette, MI	20	38
Jonathan Harbin Psychiatry · Marquette, MI	14	24
Cameron Wilcox Psychiatry · Marquette, MI	12	17

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