What is Elisa O'brien's specialty?

Elisa O'brien (NPI 1912262973) is a Medicare-billing provider whose primary specialty is Nurse Practitioner in Greenwich, CT.

Where does Elisa O'brien practice?

Elisa O'brien practices in Greenwich, CT, based on the location reported in the CMS Medicare provider datasets for NPI 1912262973.

How much does Medicare pay Elisa O'brien?

Elisa O'brien (NPI 1912262973) received approximately $9K in total Medicare Part B payments, serving 66 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1912262973

Elisa O'brienAPRN

PRACTICEPARK AVENUE MEDICAL ASSOCIATESSee all providers at this practice →

Nurse PractitionerGreenwich, CTI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

120

Distinct HCPCS

Medicare payment

$9K

Peer benchmark

Total Medicare services vs. 2,647 Nurse Practitioner providers in CT — below median (cohort median 238).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

100.0

Quality

86.5

Cost

0.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

1.05%

APM Entity

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Elisa O'brien'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
Barbara Ward Surgical Oncology · Greenwich, CT	44	60
David Evans Diagnostic Radiology · Greenwich, CT	11	17
Quest Diagnostics Llc Clinical Laboratory · Wallingford, CT	11	36

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