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 1356386734

Karl StajduharM.D.

CardiologyHyannis, MAI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
QUALITY · MIPS · 2024
Final MIPS score
84.3
Quality
71.5
Cost
74.2
Improvement activities
40.0
Promoting interop.
100.0
Payment adjustment
0.39%
Group
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
3,286
Unique beneficiaries
—
Total services
3,857
Distinct HCPCS
15
Medicare payment
$77K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 693 Cardiology providers in MA — top quintile (cohort median 1,819).
REFERRAL NETWORK

Where Karl Stajduhar'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). 160 inbound referrers · 325 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
CAPE COD HOSPITAL INC1,7905,233
NPI 1144267477412761
Philip Chiotellis
Cardiology · Hyannis, MA
255586
WILLIAMS, CHARLES243448
Town Of Yarmouth
Ambulance Service Provider · S Yarmouth, MA
194363
Peter Chiotellis
Cardiology · Hyannis, MA
181561
Steven Kohler
Emergency Medicine · Hyannis, MA
145253
Robb Hoehlein
Diagnostic Radiology · Falmouth, MA
144239
Town Of Dennis
Ambulance Service Provider · West Dennis, MA
120191
Wendy Landman
Internal Medicine · Boston, MA
109182
Brett Sylvia
Emergency Medicine · Boston, MA
105180
Jeff Herbst
Emergency Medicine · Hyannis, MA
104185
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
CAPE COD HOSPITAL INC9112,610
CAPE COD MEDICAL ENTERPRISES INC443864
Elissa Thompson
Cardiology · Hyannis, MA
386897
Paul Gagnon
Diagnostic Radiology · Hyannis, MA
380721
STREETER, JONATHAN364639
NPI 1831137033340639
VISITING NURSE ASSOCIATION OF CAPE COD, INC.337530
Karl Coyner
Diagnostic Radiology · Boston, MA
259457
Peter Friedman
Cardiology · Hyannis, MA
252613
Heitor Okanobo
Diagnostic Radiology · El Segundo, CA
219388
Philip Chiotellis
Cardiology · Hyannis, MA
213560
NPI 1144267477206540
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.