What is Marianna Antonopoulou's specialty?

Marianna Antonopoulou (NPI 1588826796) is a Medicare-billing provider whose primary specialty is Endocrinology in Mechanicsburg, PA.

Where does Marianna Antonopoulou practice?

Marianna Antonopoulou practices in Mechanicsburg, PA, based on the location reported in the CMS Medicare provider datasets for NPI 1588826796.

How much does Medicare pay Marianna Antonopoulou?

Marianna Antonopoulou (NPI 1588826796) received approximately $48K in total Medicare Part B payments, serving 318 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1588826796

Marianna AntonopoulouMD

PRACTICEPINNACLE HEALTH MEDICAL SERVICESSee all providers at this practice →

EndocrinologyMechanicsburg, PAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

502

Unique beneficiaries

—

Total services

706

Distinct HCPCS

Medicare payment

$46K

Peer benchmark

Total Medicare services vs. 282 Endocrinology providers in PA — below median (cohort median 794).

PRESCRIBING · PART D · 2024

Total Rx claims

4,804

Beneficiaries

—

Total drug cost

$4.0M

Distinct drugs

Brand share

53.4%

Top prescribed drugs

Levothyroxine Sodium681 claims

Metformin Hcl252 claims

Levothyroxine Sodium244 claims

Atorvastatin Calcium198 claims

Glimepiride194 claims

QUALITY · MIPS · 2024

Final MIPS score

86.1

Quality

76.5

Cost

77.1

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.47%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Marianna Antonopoulou'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). 9 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
MERIDIAN HOSPITALS CORPORATION	48	125
Laboratory Corporation Of America Holdings Clinical Laboratory · Raritan, NJ	38	80
Jennifer Zaitz Endocrinology · Holmdel, NJ	31	48
Pranav Shah Diagnostic Radiology · Red Bank, NJ	31	58
Niranjan Shah Cardiology · Holmdel, NJ	21	32
Edward Rittweger Diagnostic Radiology · Avenel, NJ	15	23
Charles Saniewski Diagnostic Radiology · Avenel, NJ	14	19
David Wirtshafter Diagnostic Radiology · Avenel, NJ	13	17
Mark Singer Diagnostic Radiology · Avenel, NJ	11	15

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