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 1205877982

NPI 1205877982

PRACTICECHANG W AHN, MD, LLCSee all providers at this practice →
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
QUALITY · MIPS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
MEDICARE UTILIZATION · PART B · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where NPI 1205877982'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). 11 inbound referrers · 13 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
ROSE CITY HMA LLC59196
LANCASTER GENERAL HOSPITAL38102
Kartik Shah
Diagnostic Radiology · Philadelphia, PA
33127
UPDEGRAFF, ADAM32180
Robert Springer
Diagnostic Radiology · Lancaster, PA
2698
NPI 11048722822386
Anthony Lacorte
Internal Medicine · Lancaster, PA
2247
BOAN, JAROL1960
Palak Mehta
Internal Medicine · Ephrata, PA
1864
Michael Katos
Anesthesiology · Hershey, PA
1354
Lancaster Emergency Medical Services Association
Ambulance Service Provider · Millersville, PA
1328
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
Livia Baublitz
Physical Medicine and Rehabilitation · Lancaster, PA
53705
LANCASTER GENERAL HOSPITAL3692
AMEDISYS PENNSYLVANIA, L.L.C.3595
ROSE CITY HMA LLC2774
UPDEGRAFF, ADAM2592
Robert Tribuzio
Internal Medicine · Lancaster, PA
2359
Philip Jantzi
Internal Medicine · Lancaster, PA
1944
ROSE CITY HMA LLC1525
Palak Mehta
Internal Medicine · Ephrata, PA
1526
Robert Springer
Diagnostic Radiology · Lancaster, PA
1427
BOAN, JAROL1322
JAGDISH, KAMINI1331
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.