What is William Gianakopoulos's specialty?

William Gianakopoulos (NPI 1841239142) is a Medicare-billing provider whose primary specialty is Urology in London, OH.

Where does William Gianakopoulos practice?

William Gianakopoulos practices in London, OH, based on the location reported in the CMS Medicare provider datasets for NPI 1841239142.

How much does Medicare pay William Gianakopoulos?

William Gianakopoulos (NPI 1841239142) received approximately $151K in total Medicare Part B payments, serving 573 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1841239142

William GianakopoulosM.D.

PRACTICEBUCKEYE ANESTHESIA ASSOCIATESSee all providers at this practice →

UrologyLondon, OHI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,207

Unique beneficiaries

—

Total services

2,170

Distinct HCPCS

Medicare payment

$116K

Peer benchmark

Total Medicare services vs. 355 Urology providers in OH — top quintile (cohort median 1,227).

PRESCRIBING · PART D · 2024

Total Rx claims

1,753

Beneficiaries

—

Total drug cost

$2.5M

Distinct drugs

Brand share

23.9%

Top prescribed drugs

Finasteride500 claims

Tamsulosin Hcl363 claims

Prednisone182 claims

Abiraterone Acetate112 claims

Enzalutamide82 claims

QUALITY · MIPS · 2024

Final MIPS score

75.0

Quality

0.0

Cost

0.0

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

0.00%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$564

Payment records

By payment type

Food and Beverage$564

Top paying entities

Food and Beverage$564

REFERRAL NETWORK

Where William Gianakopoulos'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
OHIOHEALTH CORPORATION	98	213
OHIOHEALTH CORPORATION	34	75
BOSTWICK LABORATORIES, INC,	21	47
Roy Brown Urology · Newark, OH	17	30
OHIO STATE UNIVERSITY HOSPITALS	15	32

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