What is Mary Ann Werz's specialty?

Mary Ann Werz (NPI 1750303798) is a Medicare-billing provider whose primary specialty is Neurology in Madison, WI.

Where does Mary Ann Werz practice?

Mary Ann Werz practices in Madison, WI, based on the location reported in the CMS Medicare provider datasets for NPI 1750303798.

How much does Medicare pay Mary Ann Werz?

Mary Ann Werz (NPI 1750303798) received approximately $213K in total Medicare Part B payments, serving 402 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1750303798

Mary Ann WerzMD

NeurologyMadison, WII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

734

Unique beneficiaries

—

Total services

800

Distinct HCPCS

Medicare payment

$54K

Peer benchmark

Total Medicare services vs. 268 Neurology providers in WI — top quintile (cohort median 374).

PRESCRIBING · PART D · 2024

Total Rx claims

2,544

Beneficiaries

—

Total drug cost

$297K

Distinct drugs

Brand share

49.8%

Top prescribed drugs

Levetiracetam514 claims

Carbidopa/Levodopa271 claims

Levetiracetam253 claims

Topiramate162 claims

Lacosamide157 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 Mary Ann Werz'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
STATE UNIVERSITY OF IOWA	218	608
Donald Brown Internal Medicine · Iowa City, IA	53	83
Bruno Policeni Diagnostic Radiology · Iowa City, IA	31	56
NPI 1477538767	26	37
NPI 1457349334	25	52
Aristides Capizzano Diagnostic Radiology · Ann Arbor, MI	23	39
Jack Kademian Diagnostic Radiology · Iowa City, IA	17	28
Malcolm Yeh Neurology · Iowa City, IA	16	44
GUTMANN, LUDWIG	13	25
Brian Mullan Diagnostic Radiology · Iowa City, IA	13	23
MERCY MEDICAL CENTER-CLINTON, INC	11	34

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