PROVIDER PROFILE · NPI 1477529295

Margaret ChappenM.D.

Internal MedicineMilton, PAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

257

Unique beneficiaries

—

Total services

275

Distinct HCPCS

Medicare payment

$10K

Peer benchmark

Total Medicare services vs. 4,434 Internal Medicine providers in PA — below median (cohort median 550).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$58

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Escitalopram Oxalate13 claims

QUALITY · MIPS · 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 Margaret Chappen'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 · 20 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
GEISINGER MEDICAL CENTER	218	1,389
EVANGELICAL COMMUNITY HOSPITAL	103	492
Susannah Kisvarday Pediatric Medicine · Danville, PA	42	218
GEISINGER MEDICAL CENTER	24	93
William Cameron Engine Company Of Lewisburg Pennsylvania Ambulance Service Provider · Lewisburg, PA	22	60
GEISINGER MEDICAL CENTER	22	49
Daniel Case Diagnostic Radiology · Lewisberry, PA	20	42
Christopher Brancato Cardiology · Lewisburg, PA	15	43
David Zelechoski Internal Medicine · Lewisburg, PA	15	35
Clara Chudow Diagnostic Radiology · Danville, PA	13	23
LUTHERAN SENIOR SERVICES EAST	11	33

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
GEISINGER MEDICAL CENTER	158	771
EVANGELICAL COMMUNITY HOSPITAL	92	405
GEISINGER MEDICAL CENTER	64	187
Mark Speake Internal Medicine · Lewisburg, PA	57	242
Jack Martin Diagnostic Radiology · Harrisburg, PA	50	152
ROHRER, GEORGE	43	99
ZOTALIS, GEORGE	42	183
ARISUMI, SUSAN	42	164
Susannah Kisvarday Pediatric Medicine · Danville, PA	40	195
Margaret Still Internal Medicine · Lewisburg, PA	38	126
GEISINGER MEDICAL CENTER	29	116
GEISINGER MEDICAL CENTER	24	66

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