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 1326087362

Michael ZagerMD

PRACTICELEHIGH VALLEY PHYSICIAN GROUPSee all providers at this practice →
Internal MedicineAllentown, PAI
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 397023
Home health agency
CCN 397533
Home health agency
CCN 390049
Hospital
CCN 390133
Hospital
CCN 393035
Inpatient rehabilitation facility
REFERRAL NETWORK

Where Michael Zager'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). 50 inbound referrers · 61 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
LEHIGH VALLEY HOSPITAL183621
GOOD SHEPHERD REHABILITATION HOSPITAL174586
Kristen Duffy
Nurse Practitioner · Sacramento, CA
67355
James Daley
Physical Medicine and Rehabilitation · Allentown, PA
65433
Sandeep Singh
Physical Medicine and Rehabilitation · Allentown, PA
57425
ST LUKES HOSPITAL54151
Cetronia Ambulance Corps, Inc
Ambulance Service Provider · Allentown, PA
54212
Suann Chen
Physical Medicine and Rehabilitation · Brick, NJ
39545
Wayne Dubov
Physical Medicine and Rehabilitation · Bethlehem, PA
35211
Qiang Li
Diagnostic Radiology · Allentown, PA
33102
Christopher Brown
Diagnostic Radiology · Allentown, PA
3395
Gregory Altemose
Clinical Cardiac Electrophysiology · Miramar Beach, FL
31119
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
Health Network Laboratories, Llc
Clinical Laboratory · Allentown, PA
167667
LEHIGH VALLEY HOSPITAL121425
Kristen Duffy
Nurse Practitioner · Sacramento, CA
103608
Demetrice Ward
Physical Medicine and Rehabilitation · Allentown, PA
86530
Asare Christian
Physical Medicine and Rehabilitation · Wayne, PA
72252
Sandeep Singh
Physical Medicine and Rehabilitation · Allentown, PA
60380
James Daley
Physical Medicine and Rehabilitation · Allentown, PA
57350
Andrew Reish
Physical Medicine and Rehabilitation · Allentown, PA
56226
GOOD SHEPHERD REHABILITATION HOSPITAL54233
Suann Chen
Physical Medicine and Rehabilitation · Brick, NJ
54504
Ning Cao
Physical Medicine and Rehabilitation · Baltimore, MD
51410
LEHIGH VALLEY HOSPITAL MUHLENBERG49138
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.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
1,374
Unique beneficiaries
—
Total services
1,794
Distinct HCPCS
20
Medicare payment
$132K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 4,434 Internal Medicine providers in PA — top quintile (cohort median 550).
PRESCRIBING · PART D · 2024
Total Rx claims
7,059
Beneficiaries
—
Total drug cost
$674K
Distinct drugs
126
Brand share
19.7%
Top prescribed drugs
Atorvastatin Calcium387 claims
Levothyroxine Sodium331 claims
Amlodipine Besylate300 claims
Lisinopril217 claims
Simvastatin196 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.