What is Constantin Marcu's specialty?

Constantin Marcu (NPI 1528013885) is a Medicare-billing provider whose primary specialty is Cardiology in Greenville, NC.

Where does Constantin Marcu practice?

Constantin Marcu practices in Greenville, NC, based on the location reported in the CMS Medicare provider datasets for NPI 1528013885.

How much does Medicare pay Constantin Marcu?

Constantin Marcu (NPI 1528013885) received approximately $396K in total Medicare Part B payments, serving 3,319 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1528013885

Constantin MarcuMD

CardiologyGreenville, NCI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

6,486

Unique beneficiaries

—

Total services

60,394

Distinct HCPCS

Medicare payment

$390K

Peer benchmark

Total Medicare services vs. 602 Cardiology providers in NC — top quintile (cohort median 2,065).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$125

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Atorvastatin Calcium12 claims

Ezetimibe12 claims

Metoprolol Succinate11 claims

QUALITY · MIPS · 2024

Final MIPS score

97.0

Quality

82.4

Cost

0.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.92%

APM Entity

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$187

Payment records

By payment type

Food and Beverage$187

Top paying entities

Food and Beverage$187

REFERRAL NETWORK

Where Constantin Marcu'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). 157 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
PITT COUNTY MEMORIAL HOSPITAL, INC	1,114	2,709
Assadollah Movahed Cardiology · Greenville, NC	248	536
John Cahill Cardiology · Greensboro, NC	236	656
Mariavittoria Pitzalis Cardiology · Greenville, NC	178	337
Umberto Fontana Cardiology · Hendersonville, NC	175	399
Richard Kreeger Cardiology · Greenville, NC	142	331
Douglas Shusterman Diagnostic Radiology · Greenville, NC	138	201
Joseph Pensabene Cardiology · Augusta, GA	134	303
Anthony Thaxton Diagnostic Radiology · Greenville, NC	127	161
Michael Coan Diagnostic Radiology · Greenville, NC	123	192
Michael Smith Cardiology · Greenville, NC	123	209
CLARK, TIMOTHY	114	163

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