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PROVIDER PROFILE · NPI 1326011271

Neal HolzumMD

Internal MedicineO Fallon, MOI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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PRESCRIBING · PART D · 2024
Total Rx claims
534
Beneficiaries
—
Total drug cost
$19K
Distinct drugs
22
Brand share
22.5%
Top prescribed drugs
Amoxicillin/Potassium Clav62 claims
Pantoprazole Sodium42 claims
Furosemide38 claims
Metoprolol Tartrate38 claims
Amlodipine Besylate30 claims
FACILITY AFFILIATIONS

Hospital & Facility Affiliations (4)

CCN 261511
Hospice
CCN 260032
Hospital
CCN 260191
Hospital
CCN 260219
Hospital
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
905
Unique beneficiaries
—
Total services
1,655
Distinct HCPCS
4
Medicare payment
$140K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 1,563 Internal Medicine providers in MO — top quintile (cohort median 658).
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 Neal Holzum'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). 29 inbound referrers · 62 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
St. Charles County Ambulance District
Ambulance Service Provider · Saint Peters, MO
75247
James Kelly
Diagnostic Radiology · Saint Louis, MO
58276
NPI 126547400147127
Nancy Niemann Royer
Internal Medicine · O Fallon, MO
3888
Barbara Foner
Critical Care (Intensivists) · Maryville, IL
35210
Leo Hsu
Emergency Medicine · O Fallon, MO
34100
SSM HEALTH CARE ST. LOUIS33136
Michael Missler
Cardiology · Saint Peters, MO
3288
Joelle Biernacki
Diagnostic Radiology · Saint Louis, MO
30117
Marc Lewen
Cardiology · Saint Peters, MO
2882
BARNES JEWISH ST PETERS HOSPITAL INC22119
DIFILIPPO, EMIL2244
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
PROGRESS WEST HEALTHCARE CENTER274573
St. Charles County Ambulance District
Ambulance Service Provider · Saint Peters, MO
89323
Hui Hua Shu
Diagnostic Radiology · Saint Louis, MO
71248
Ajay Chapa
Diagnostic Radiology · Chicago, IL
58181
Robert Stachecki
Diagnostic Radiology · Saint Louis, MO
58212
Michael Penney
Diagnostic Radiology · Fort Worth, TX
55244
Michael Missler
Cardiology · Saint Peters, MO
51200
NPI 126547400151137
Nat Levy
Critical Care (Intensivists) · O Fallon, MO
48289
Joelle Biernacki
Diagnostic Radiology · Saint Louis, MO
44138
Nancy Niemann Royer
Internal Medicine · O Fallon, MO
4477
Barbara Foner
Critical Care (Intensivists) · Maryville, IL
43242
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.