What is Antonio Carlos Westphalen's specialty?

Antonio Carlos Westphalen (NPI 1689682015) is a Medicare-billing provider whose primary specialty is Diagnostic Radiology in Seattle, WA.

Where does Antonio Carlos Westphalen practice?

Antonio Carlos Westphalen practices in Seattle, WA, based on the location reported in the CMS Medicare provider datasets for NPI 1689682015.

How much does Medicare pay Antonio Carlos Westphalen?

Antonio Carlos Westphalen (NPI 1689682015) received approximately $82K in total Medicare Part B payments, serving 1,231 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1689682015

Antonio Carlos WestphalenM.D.

PRACTICEGOODNIGHT ANESTHESIASee all providers at this practice →

Diagnostic RadiologySeattle, WAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,362

Unique beneficiaries

—

Total services

1,411

Distinct HCPCS

Medicare payment

$74K

Peer benchmark

Total Medicare services vs. 769 Diagnostic Radiology providers in WA — below median (cohort median 3,244).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

93.8

Quality

74.6

Cost

0.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.79%

APM Entity

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Antonio Carlos Westphalen'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). 43 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Gordon Fung Cardiology · San Francisco, CA	135	338
Derek Sun Diagnostic Radiology · San Francisco, CA	50	96
City & County Of San Francisco Ambulance Service Provider · San Francisco, CA	47	55
OSTROFF, JAMES	42	135
NPI 1487694121	34	63
Tara Morgan Diagnostic Radiology · Stanford, CA	33	59
Liina Poder Diagnostic Radiology · San Francisco, CA	30	52
Joshua Clayton Diagnostic Radiology · Philadelphia, PA	27	47
American Medical Response West Ambulance Service Provider · San Francisco, CA	26	31
John Mongan Diagnostic Radiology · San Francisco, CA	25	50
KILLEBREW, ELLEN	25	50
Marshall Stoller Urology · San Francisco, CA	24	70

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