What is Margaret Hennessey's specialty?

Margaret Hennessey (NPI 1225328248) is a Medicare-billing provider whose primary specialty is Nurse Practitioner in Olympia, WA.

Where does Margaret Hennessey practice?

Margaret Hennessey practices in Olympia, WA, based on the location reported in the CMS Medicare provider datasets for NPI 1225328248.

How much does Medicare pay Margaret Hennessey?

Margaret Hennessey (NPI 1225328248) received approximately $38K in total Medicare Part B payments, serving 115 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1225328248

Margaret HennesseyFNP

PRACTICELABORATORY CORPORATION OF AMERICASee all providers at this practice →

Nurse PractitionerOlympia, WAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

246

Unique beneficiaries

—

Total services

476

Distinct HCPCS

Medicare payment

$34K

Peer benchmark

Total Medicare services vs. 3,734 Nurse Practitioner providers in WA — top quintile (cohort median 228).

PRESCRIBING · PART D · 2024

Total Rx claims

2,886

Beneficiaries

—

Total drug cost

$280K

Distinct drugs

Brand share

21.7%

Top prescribed drugs

Levothyroxine Sodium220 claims

Atorvastatin Calcium181 claims

Losartan Potassium138 claims

Lisinopril131 claims

Rosuvastatin Calcium101 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$250

Payment records

By payment type

Food and Beverage$250

Top paying entities

Food and Beverage$250

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (4)

Home health agency

Hospital

Hospital

Hospital

REFERRAL NETWORK

Where Margaret Hennessey'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 · 9 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
PROVIDENCE HEALTH & SERVICES WASHINGTON	114	867
Eric Demun Family Practice · Centralia, WA	16	43
PROVIDENCE HEALTH & SERVICES WASHINGTON	11	27

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
PROVIDENCE HEALTH & SERVICES WASHINGTON	145	1,385
CHAN, TERENCE	53	226
Mehdi Rohany Diagnostic Radiology · Lynnwood, WA	40	167
Christopher Yarter Family Practice · Centralia, WA	30	129
Eric Demun Family Practice · Centralia, WA	17	50
Peter Hu Diagnostic Radiology · Olympia, WA	16	36
PROVIDENCE HEALTH & SERVICES WASHINGTON	12	24
John Edwards Diagnostic Radiology · Olympia, WA	12	58
Stephen Fischer Physician Assistant · Chehalis, WA	11	24

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