What is Stephen Wrenn's specialty?

Stephen Wrenn (NPI 1144555194) is a Medicare-billing provider whose primary specialty is Interventional Radiology in Oakland, CA.

Where does Stephen Wrenn practice?

Stephen Wrenn practices in Oakland, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1144555194.

How much does Medicare pay Stephen Wrenn?

Stephen Wrenn (NPI 1144555194) received approximately $8K in total Medicare Part B payments, serving 114 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1144555194

Stephen WrennMD

PRACTICETHE PERMANENTE MEDICAL GROUPSee all providers at this practice →

Interventional RadiologyOakland, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$435

Peer benchmark

Total Medicare services vs. 402 Interventional Radiology providers in CA — below median (cohort median 566).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$230

Distinct drugs

Brand share

100.0%

Top prescribed drugs

Clopidogrel Bisulfate14 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$36

Payment records

By payment type

Food and Beverage$36

Top paying entities

Food and Beverage$36

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 050075

Hospital

REFERRAL NETWORK

Where Stephen Wrenn'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). 2 inbound referrers · 6 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
KAISER FOUNDATION HOSPITALS	60	92
Derek Kubota Diagnostic Radiology · Oakland, CA	12	18

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
KAISER FOUNDATION HOSPITALS	97	166
American Medical Response West Ambulance Service Provider · Concord, CA	17	24
THEODOSSY, SULEIMAN	12	26
NPI 1760509277	12	24
Thomas Urbania Diagnostic Radiology · Oakland, CA	11	22
Bebe Young Diagnostic Radiology · Oakland, CA	11	20

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