What is Alexander Gatzimos's specialty?

Alexander Gatzimos (NPI 1548476120) is a Medicare-billing provider whose primary specialty is Internal Medicine in Mishawaka, IN.

Where does Alexander Gatzimos practice?

Alexander Gatzimos practices in Mishawaka, IN, based on the location reported in the CMS Medicare provider datasets for NPI 1548476120.

How much does Medicare pay Alexander Gatzimos?

Alexander Gatzimos (NPI 1548476120) received approximately $85K in total Medicare Part B payments, serving 72 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1548476120

Alexander GatzimosM.D.,JD

Internal MedicineMishawaka, INI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

629

Unique beneficiaries

—

Total services

1,679

Distinct HCPCS

Medicare payment

$77K

Peer benchmark

Total Medicare services vs. 1,429 Internal Medicine providers in IN — top quintile (cohort median 666).

PRESCRIBING · PART D · 2024

Total Rx claims

16,197

Beneficiaries

—

Total drug cost

$1.8M

Distinct drugs

178

Brand share

29.0%

Top prescribed drugs

Duloxetine Hcl587 claims

Ezetimibe540 claims

Rosuvastatin Calcium508 claims

Meloxicam484 claims

Pantoprazole Sodium478 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$13K

Payment records

156

By payment type

Honoraria$6K

Food and Beverage$4K

Consulting Fee$3K

Education$65

Top paying entities

Honoraria$6K

Food and Beverage$4K

Consulting Fee$3K

Education$65

REFERRAL NETWORK

Where Alexander Gatzimos'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). 22 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
AMERITOX, LLC	68	323
MEMORIAL HOSPITAL OF SOUTH BEND	51	276
Tri-County Ambulance Service, Inc. Ambulance Service Provider · Wakarusa, IN	38	150
PULASKI MEMORIAL HOSPITAL	29	188
Charles Heinsen Family Practice · Winamac, IN	25	135
TOTAL HOME HEALTH SERVICES, INC.	17	90
Mary Dynes Diagnostic Radiology · Mishawaka, IN	17	54
KOCAL, JULIA	17	38
PLESZYNSKI-PLATZ, ALEXANDER	17	61
Edward Yang Diagnostic Radiology · New Orleans, LA	17	64
Deborah Walsh Nurse Practitioner · Norfolk, VA	16	126
SAINT JOSEPH REGIONAL MEDICAL CENTER- PLYMOUTH CAMPUS INC	14	90

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