What is Jennifer Gregas's specialty?

Jennifer Gregas (NPI 1578759122) is a Medicare-billing provider whose primary specialty is Nurse Practitioner in Onalaska, WI.

Where does Jennifer Gregas practice?

Jennifer Gregas practices in Onalaska, WI, based on the location reported in the CMS Medicare provider datasets for NPI 1578759122.

How much does Medicare pay Jennifer Gregas?

Jennifer Gregas (NPI 1578759122) received approximately $14K in total Medicare Part B payments, serving 108 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1578759122

Jennifer GregasAPNP

Nurse PractitionerOnalaska, WII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

204

Unique beneficiaries

—

Total services

256

Distinct HCPCS

Medicare payment

$10K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

214

Beneficiaries

—

Total drug cost

$5K

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Tamsulosin Hcl214 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 Jennifer Gregas'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). 11 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
GUNDERSEN LUTHERAN MEDICAL CENTER INC	155	940
Balaji Srinivasan Nephrology · La Crosse, WI	85	170
Leah Metz Nephrology · La Crosse, WI	43	103
GUNDERSEN LUTHERAN MEDICAL CENTER INC	20	27
NPI 1487659199	16	52
John Houskamp Internal Medicine · Grand Rapids, MI	14	26
Kurt Ziegelbein Interventional Radiology · La Crosse, WI	14	43
Todd Ebbert Diagnostic Radiology · La Crosse, WI	14	19
Daniel Schraith Pathology · La Crosse, WI	13	42
WINONA HEALTH SERVICES	11	37
Benny Kusuma Internal Medicine · La Crosse, WI	11	13

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