What is Guillermo Carrera's specialty?

Guillermo Carrera (NPI 1821049214) is a Medicare-billing provider whose primary specialty is Diagnostic Radiology in Milwaukee, WI.

Where does Guillermo Carrera practice?

Guillermo Carrera practices in Milwaukee, WI, based on the location reported in the CMS Medicare provider datasets for NPI 1821049214.

How much does Medicare pay Guillermo Carrera?

Guillermo Carrera (NPI 1821049214) received approximately $939 in total Medicare Part B payments, serving 63 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1821049214

Guillermo CarreraMD

PRACTICEMEDICAL COLLEGE OF WISCONSINSee all providers at this practice →

Diagnostic RadiologyMilwaukee, WII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$305

Peer benchmark

Total Medicare services vs. 749 Diagnostic Radiology providers in WI — bottom quintile (cohort median 2,525).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Guillermo Carrera'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). 208 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
FROEDTERT MEMORIAL LUTHERAN HOSPITAL, INC.	2,276	5,934
Evgueni Fayn Clinical Cardiac Electrophysiology · Milwaukee, WI	308	505
MALMSTEN, CATHARINE	157	261
Bell Ambulance, Inc. Ambulance Service Provider · Milwaukee, WI	155	354
Rajeev Mannem Radiation Oncology · Milwaukee, WI	149	275
Byung-Il Choi Cardiology · Milwaukee, WI	133	204
Kaushik Shahir Diagnostic Radiology · Milwaukee, WI	122	315
DRAKE, NEIL	121	309
Sujan Fernando Diagnostic Radiology · Milwaukee, WI	116	252
PARATECH AMBULANCE SERVICE, INC.	108	246
Dhiraj Baruah Diagnostic Radiology · Ardmore, PA	101	212
WEIN, MELISSA	99	183

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