What is Sarah Holewczynski's specialty?

Sarah Holewczynski (NPI 1619388717) is a Medicare-billing provider whose primary specialty is Nurse Practitioner in South Bend, IN.

Where does Sarah Holewczynski practice?

Sarah Holewczynski practices in South Bend, IN, based on the location reported in the CMS Medicare provider datasets for NPI 1619388717.

How much does Medicare pay Sarah Holewczynski?

Sarah Holewczynski (NPI 1619388717) received approximately $17K in total Medicare Part B payments, serving 232 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1619388717

Sarah HolewczynskiRN, NP-C

Nurse PractitionerSouth Bend, INI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

324

Unique beneficiaries

—

Total services

501

Distinct HCPCS

Medicare payment

$17K

Peer benchmark

Total Medicare services vs. 5,912 Nurse Practitioner providers in IN — above median (cohort median 287).

PRESCRIBING · PART D · 2024

Total Rx claims

658

Beneficiaries

—

Total drug cost

$10K

Distinct drugs

Brand share

11.2%

Top prescribed drugs

Gabapentin301 claims

Tramadol Hcl80 claims

Pregabalin53 claims

Hydrocodone/Acetaminophen49 claims

Oxycodone Hcl38 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 Sarah Holewczynski'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
MEMORIAL HOSPITAL OF SOUTH BEND	60	207
Daniel Cooke Anesthesiology · South Bend, IN	27	69
Harriet Hamer Anesthesiology · South Bend, IN	11	32

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