What is Kelyn O'brien's specialty?

Kelyn O'brien (NPI 1811390180) is a Medicare-billing provider whose primary specialty is Nurse Practitioner in Oshkosh, WI.

Where does Kelyn O'brien practice?

Kelyn O'brien practices in Oshkosh, WI, based on the location reported in the CMS Medicare provider datasets for NPI 1811390180.

How much does Medicare pay Kelyn O'brien?

Kelyn O'brien (NPI 1811390180) received approximately $10K in total Medicare Part B payments, serving 106 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1811390180

Kelyn O'brien

PRACTICEMORTON DRUG CO INCSee all providers at this practice →

Nurse PractitionerOshkosh, WII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

129

Unique beneficiaries

—

Total services

145

Distinct HCPCS

Medicare payment

$10K

Peer benchmark

Total Medicare services vs. 4,237 Nurse Practitioner providers in WI — below median (cohort median 212).

PRESCRIBING · PART D · 2024

Total Rx claims

1,639

Beneficiaries

—

Total drug cost

$607K

Distinct drugs

Brand share

81.8%

Top prescribed drugs

Albuterol Sulfate430 claims

Fluticasone/Umeclidin/Vilanter270 claims

Montelukast Sodium171 claims

Umeclidinium Brm/Vilanterol Tr111 claims

Tiotropium Br/Olodaterol Hcl100 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$222

Payment records

By payment type

Food and Beverage$222

Top paying entities

Food and Beverage$222

REFERRAL NETWORK

Where Kelyn 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
MERCY MEDICAL CENTER OF OSHKOSH, INC.	53	204
Francisco Zornosa Nephrology · Oshkosh, WI	30	104
Benjamin Heinzen Internal Medicine · Oshkosh, WI	11	30

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