caretrace.iopowered by▸healthparse
SearchCohort Builder
Tools▾
KOL FinderTerritoriesDrug Compare
AI Query
Browse▾
By stateBy specialty
Pricing
SearchCohort BuilderToolsKOL FinderTerritoriesDrug CompareAI QueryBrowseBy stateBy specialtyPricing
PROVIDER PROFILE · NPI 1326046202

Mary PieprzakM.D.

NephrologyColumbia, MDI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
FACILITY AFFILIATIONS

Hospital & Facility Affiliations (5)

CCN 212516
Dialysis facility
CCN 212628
Dialysis facility
CCN 210008
Hospital
CCN 210009
Hospital
CCN 210048
Hospital
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
975
Unique beneficiaries
—
Total services
1,702
Distinct HCPCS
11
Medicare payment
$191K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 215 Nephrology providers in MD — above median (cohort median 1,560).
PRESCRIBING · PART D · 2024
Total Rx claims
159
Beneficiaries
—
Total drug cost
$2K
Distinct drugs
7
Brand share
0.0%
Top prescribed drugs
Amlodipine Besylate37 claims
Calcitriol31 claims
Furosemide30 claims
Potassium Chloride18 claims
Lisinopril16 claims
QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$168
Payment records
7
By payment type
Food and Beverage$139
Education$29
REFERRAL NETWORK

Where Mary Pieprzak'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). 75 inbound referrers · 123 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
HOWARD COUNTY GENERAL HOSPITAL, INC,2121,264
Quest Diagnostics Incorporated Md
Clinical Laboratory · Baltimore, MD
136423
Laboratory Corporation Of America Holdings
Clinical Laboratory · Raritan, NJ
123268
Jia Liu
Nephrology · Columbia, MD
1171,042
Tin Maung
Nephrology · Columbia, MD
1031,330
Victor Bracey
Diagnostic Radiology · Owings Mills, MD
83460
Keith Friedman
Cardiology · Columbia, MD
72256
Ping-Hsin Chen
Nephrology · Columbia, MD
69282
Shamim Dada
Diagnostic Radiology · Hagerstown, MD
69297
Elizabeth Kim
Diagnostic Radiology · Owings Mills, MD
65320
Anita Pasumarthy
Nephrology · Baltimore, MD
53281
ST. AGNES HEALTHCARE, INC.43111
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
HOWARD COUNTY GENERAL HOSPITAL, INC,133810
Jia Liu
Nephrology · Columbia, MD
1091,168
Tin Maung
Nephrology · Columbia, MD
101848
Andrew Morton
Diagnostic Radiology · Owings Mills, MD
93673
Lifestar Response Of Maryland, Inc
Ambulance Service Provider · Annapolis Junction, MD
78319
NPI 173014970977749
Ajay Kumar
Nephrology · Columbia, MD
70413
Ping-Hsin Chen
Nephrology · Columbia, MD
69239
Laboratory Corporation Of America Holdings
Clinical Laboratory · Raritan, NJ
66120
Quest Diagnostics Incorporated Md
Clinical Laboratory · Baltimore, MD
61189
DVA HEALTHCARE RENAL CARE INC541,017
Victor Bracey
Diagnostic Radiology · Owings Mills, MD
51191
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.