What is Nikolaos Vassiliou's specialty?

Nikolaos Vassiliou (NPI 1851554349) is a Medicare-billing provider whose primary specialty is Family Practice in Cromwell, CT.

Where does Nikolaos Vassiliou practice?

Nikolaos Vassiliou practices in Cromwell, CT, based on the location reported in the CMS Medicare provider datasets for NPI 1851554349.

How much does Medicare pay Nikolaos Vassiliou?

Nikolaos Vassiliou (NPI 1851554349) received approximately $32K in total Medicare Part B payments, serving 93 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1851554349

Nikolaos VassiliouMD

PRACTICEMHS PRIMARY CARESee all providers at this practice →

Family PracticeCromwell, CTI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

236

Unique beneficiaries

—

Total services

287

Distinct HCPCS

Medicare payment

$27K

Peer benchmark

Total Medicare services vs. 532 Family Practice providers in CT — below median (cohort median 538).

PRESCRIBING · PART D · 2024

Total Rx claims

3,981

Beneficiaries

—

Total drug cost

$316K

Distinct drugs

100

Brand share

19.2%

Top prescribed drugs

Amlodipine Besylate209 claims

Atorvastatin Calcium207 claims

Levothyroxine Sodium200 claims

Lisinopril138 claims

Metformin Hcl117 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 Nikolaos Vassiliou'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
Adam Elias Diagnostic Radiology · Bedford, NH	21	57
HARTFORD HEALTHCARE LABORATORIES	18	45
Nancy Rini Diagnostic Radiology · Middletown, CT	18	45
Michael Crain Diagnostic Radiology · Middletown, CT	16	35
Julie Lee Diagnostic Radiology · Lynnwood, WA	15	37
Stephen Franklin Cardiology · Middletown, CT	15	39
Cromwell Fire District Ambulance Service Provider · Cromwell, CT	15	53
Stephen Siegel Family Practice · Cromwell, CT	14	29
Ravi Jain Diagnostic Radiology · Middletown, CT	13	35
Robert Wolek Diagnostic Radiology · Middletown, CT	11	29
Manju John Internal Medicine · Middletown, CT	11	29

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