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PROVIDER PROFILE · NPI 1225035199

Santiago VillarrealM.D.

NephrologySan Antonio, TXI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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FACILITY AFFILIATIONS

Hospital & Facility Affiliations (7)

CCN 452587
Dialysis facility
CCN 452605
Dialysis facility
CCN 452740
Dialysis facility
CCN 450058
Hospital
CCN 450237
Hospital
CCN 450388
Hospital
CCN 451391
Hospital
QUALITY · MIPS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
Total Rx claims
704
Beneficiaries
—
Total drug cost
$224K
Distinct drugs
25
Brand share
17.8%
Top prescribed drugs
Calcium Acetate107 claims
Sevelamer Carbonate62 claims
Furosemide60 claims
Lisinopril55 claims
Dapagliflozin Propanediol47 claims
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$125
Payment records
2
By payment type
Food and Beverage$125
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
247
Unique beneficiaries
—
Total services
806
Distinct HCPCS
10
Medicare payment
$92K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 883 Nephrology providers in TX — below median (cohort median 1,432).
REFERRAL NETWORK

Where Santiago Villarreal'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). 32 inbound referrers · 56 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
METHODIST HEALTHCARE SYSTEM OF SAN ANTONIO, LTD., L.L.P.1081,319
Bruce Brockway
Internal Medicine · San Antonio, TX
841,002
Clinical Pathology Laboratories, Inc.
Clinical Laboratory · Austin, TX
77325
DVA HEALTHCARE RENAL CARE INC52799
DVA HEALTHCARE RENAL CARE INC38839
City Of San Antonio Texas
Ambulance Service Provider · San Antonio, TX
32209
CHRISTUS SANTA ROSA HEALTH CARE CORPORATION24209
Marvin Moszkowicz
Internal Medicine · San Antonio, TX
21268
AMERICAN MEDICAL RESPONSE AMBULANCE SERVICE INC20209
BRUSH, RUTH18152
Joyce Schwartz
Pathology · Shavano Park, TX
17191
Jorge Velez
Diagnostic Radiology · San Antonio, TX
16143
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
NPI 17301497091031,482
METHODIST HEALTHCARE SYSTEM OF SAN ANTONIO, LTD., L.L.P.85671
Bruce Brockway
Internal Medicine · San Antonio, TX
77936
DVA HEALTHCARE RENAL CARE INC661,432
Laboratory Corporation Of America
Clinical Laboratory · Houston, TX
52356
DVA HEALTHCARE RENAL CARE INC44681
VHS SAN ANTONIO PARTNERS LLC41202
DVA HEALTHCARE RENAL CARE INC37543
FRIO HOSPITAL ASSOCIATION33486
Rodney Carry
Internal Medicine · Shavano Park, TX
311,575
Neal Dalrymple
Diagnostic Radiology · San Antonio, TX
25395
Clinical Pathology Laboratories, Inc.
Clinical Laboratory · Austin, TX
24114
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.