PROVIDER PROFILE · NPI 1275692642

Claudia ZacharekMD

NephrologySaginaw, MII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,011

Unique beneficiaries

—

Total services

2,357

Distinct HCPCS

Medicare payment

$255K

Peer benchmark

Total Medicare services vs. 269 Nephrology providers in MI — top quintile (cohort median 1,096).

PRESCRIBING · PART D · 2024

Total Rx claims

4,065

Beneficiaries

—

Total drug cost

$915K

Distinct drugs

Brand share

5.9%

Top prescribed drugs

Spironolactone389 claims

Amlodipine Besylate366 claims

Doxazosin Mesylate361 claims

Hydralazine Hcl301 claims

Furosemide261 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$24K

Payment records

By payment type

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$20K

Travel and Lodging$4K

Food and Beverage$288

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (11)

Dialysis facility

Dialysis facility

Dialysis facility

Dialysis facility

Dialysis facility

Hospital

Hospital

Hospital

Hospital

Hospital

Inpatient rehabilitation facility

REFERRAL NETWORK

Where Claudia Zacharek'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). 103 inbound referrers · 196 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Mobile Medical Response Inc Ambulance Service Provider · Saginaw, MI	161	1,059
Peter Lassing Diagnostic Radiology · Grand Rapids, MI	124	671
Sayed Osama Nephrology · Flint, MI	115	642
Kristin Nelsen Interventional Cardiology · Grand Rapids, MI	113	833
Aniruddha Palya Nephrology · Flint, MI	95	684
QUEST DIAGNOSTICS INCORPORATED MI	84	333
James Finch Diagnostic Radiology · Bay City, MI	79	383
Gerard Farrar Interventional Radiology · Grand Rapids, MI	78	328
Nasser Qadri Interventional Radiology · Fort Wayne, IN	74	477
Chirdeep Bhutani Interventional Radiology · Sacramento, CA	72	437
Rajesh Mithalal Diagnostic Radiology · Grand Rapids, MI	65	229
Mark Ludka Diagnostic Radiology · Saginaw, MI	52	190

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
COVENANT MEDICAL CENTER, INC.	252	1,526
Mobile Medical Response Inc Ambulance Service Provider · Saginaw, MI	144	1,087
MCLAREN BAY REGION	116	623
Senthil Ramaiyah Nephrology · Flint, MI	101	559
Sayed Osama Nephrology · Flint, MI	100	676
ASCENSION ST. MARY'S HOSPITAL	96	687
Peter Lassing Diagnostic Radiology · Grand Rapids, MI	94	642
Aniruddha Palya Nephrology · Flint, MI	89	570
Kristin Nelsen Interventional Cardiology · Grand Rapids, MI	87	593
MARCHENA, CARLOS	77	417
Amanda Gomes Nephrology · West Branch, MI	76	369
Sanjay Talati Diagnostic Radiology · Grand Rapids, MI	68	300

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