What is Matthew Hattenhauer's specialty?

Matthew Hattenhauer (NPI 1619950425) is a Medicare-billing provider whose primary specialty is Ophthalmology in Wausau, WI.

Where does Matthew Hattenhauer practice?

Matthew Hattenhauer practices in Wausau, WI, based on the location reported in the CMS Medicare provider datasets for NPI 1619950425.

How much does Medicare pay Matthew Hattenhauer?

Matthew Hattenhauer (NPI 1619950425) received approximately $11K in total Medicare Part B payments, serving 107 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1619950425

Matthew HattenhauerM.D.

PRACTICEEYE CLINIC OF WISCONSIN SCSee all providers at this practice →

OphthalmologyWausau, WII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

127

Unique beneficiaries

—

Total services

132

Distinct HCPCS

Medicare payment

$7K

Peer benchmark

Total Medicare services vs. 304 Ophthalmology providers in WI — bottom quintile (cohort median 1,730).

PRESCRIBING · PART D · 2024

Total Rx claims

423

Beneficiaries

—

Total drug cost

$5K

Distinct drugs

Brand share

9.2%

Top prescribed drugs

Latanoprost243 claims

Timolol Maleate125 claims

Dorzolamide Hcl/Timolol Maleat39 claims

Brimonidine Tartrate16 claims

QUALITY · MIPS · 2024

Final MIPS score

92.3

Quality

96.3

Cost

78.1

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.73%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Matthew Hattenhauer'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). 5 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ASPIRUS RHINELANDER & TOMAHAWK HOSPITALS & CLINICS, INC.	62	139
Ec Laser And Surgery Institute Of Wi, Llc Ambulatory Surgical Center · Wausau, WI	48	130
KROLICKI, THADDEUS	23	35
Christopher Koeppl Internal Medicine · Rhinelander, WI	12	31
SCHALLER, IVAN	11	23

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