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 1083658959

Margaret Lynch NyhanMD

Diagnostic RadiologyBaltimore, MDI
CROSS-REFERENCE

Related data on other Healthparse brands

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

Hospital & Facility Affiliations (4)

CCN 210043
Hospital
CCN 210044
Hospital
CCN 210049
Hospital
CCN 210063
Hospital
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
3,333
Unique beneficiaries
—
Total services
22,552
Distinct HCPCS
56
Medicare payment
$187K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 630 Diagnostic Radiology providers in MD — top quintile (cohort median 5,711).
PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
QUALITY · MIPS · 2024
Final MIPS score
81.3
Quality
63.3
Cost
74.4
Improvement activities
40.0
Promoting interop.
100.0
Payment adjustment
0.27%
Group
REFERRAL NETWORK

Where Margaret Lynch Nyhan'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). 151 inbound referrers · 386 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
UNIVERSITY OF MARYLAND ST. JOSEPH MEDICAL CENTER, LLC7121,750
GREATER BALTIMORE MEDICAL CENTER, INC.293540
Adam Scherr
Diagnostic Radiology · Baltimore, MD
196378
Quest Diagnostics Incorporated Md
Clinical Laboratory · Baltimore, MD
194432
CUNAT, JOHN169397
Laboratory Corporation Of America Holdings
Clinical Laboratory · Raritan, NJ
162335
Shu Li
Diagnostic Radiology · Baltimore, MD
156304
Ronald Schechter
Cardiology · Towson, MD
131305
Brett Roberts
Cardiology · Hanover, PA
109293
MARX, JASON105231
TABASSI, KHOSROW89204
Mahmood Alikhan
Cardiology · Towson, MD
88202
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
UNIVERSITY OF MARYLAND ST. JOSEPH MEDICAL CENTER, LLC9352,255
GREATER BALTIMORE MEDICAL CENTER, INC.384694
Robert Stroud
Diagnostic Radiology · Baltimore, MD
247559
MCNEELY, WARREN228507
Zuzana Chamrova
Diagnostic Radiology · Baltimore, MD
215491
CUNAT, JOHN191404
Julian Simmons
Diagnostic Radiology · Baltimore, MD
168295
UPPER CHESAPEAKE MEDICAL CENTER, INC.166306
Shu Li
Diagnostic Radiology · Baltimore, MD
163307
Stephen Pollock
Cardiology · Baltimore, MD
161330
SAYLOR, LYLE154318
Smarttrans Ambulance Service
Ambulance Service Provider · Cockeysville, MD
148244
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.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.