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PROVIDER PROFILE · NPI 1013907963

Robert ZajacMD

PRACTICEROBERT A ZAJAC MD PASee all providers at this practice →
Infectious DiseaseSan Antonio, TXI
CROSS-REFERENCE

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FACILITY AFFILIATIONS

Hospital & Facility Affiliations (10)

CCN 457777
Home health agency
CCN 679044
Home health agency
CCN 679174
Home health agency
CCN 679298
Home health agency
CCN 747928
Home health agency
CCN 450007
Hospital
CCN 450058
Hospital
CCN 450154
Hospital
CCN 450604
Hospital
CCN 670055
Hospital
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
915
Unique beneficiaries
—
Total services
3,622
Distinct HCPCS
13
Medicare payment
$205K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 425 Infectious Disease providers in TX — top quintile (cohort median 589).
PRESCRIBING · PART D · 2024
Total Rx claims
2,090
Beneficiaries
—
Total drug cost
$1.5M
Distinct drugs
43
Brand share
32.0%
Top prescribed drugs
Doxycycline Hyclate437 claims
Cefdinir162 claims
Bictegrav/Emtricit/Tenofov Ala147 claims
Cefadroxil138 claims
Daptomycin81 claims
QUALITY · MIPS · 2024
Final MIPS score
97.2
Quality
100.0
Cost
73.9
Improvement activities
40.0
Promoting interop.
0.0
Payment adjustment
0.93%
Group
REFERRAL NETWORK

Where Robert Zajac'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). 47 inbound referrers · 79 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Christina Mccune
Diagnostic Radiology · San Antonio, TX
74599
Clinical Pathology Laboratories, Inc.
Clinical Laboratory · Austin, TX
67366
Aldo Parodi
Pulmonary Disease · San Antonio, TX
47925
Neelima Upputuri
Internal Medicine · Grapevine, TX
471,842
Allan Truax
Diagnostic Radiology · San Antonio, TX
43247
NPI 122500398143342
City Of San Antonio Texas
Ambulance Service Provider · San Antonio, TX
42258
METHODIST HEALTHCARE SYSTEM OF SAN ANTONIO, LTD., L.L.P.39142
Arsen Zacharian
Internal Medicine · San Antonio, TX
38585
Prashanth Rao
Internal Medicine · San Antonio, TX
36738
Eric Fein
Emergency Medicine · San Antonio, TX
36607
Amy Benson
Diagnostic Radiology · San Antonio, TX
34195
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
Laboratory Corporation Of America
Clinical Laboratory · Houston, TX
1761,365
Quest Diagnostics Clinical Laboratories Inc
Clinical Laboratory · Irving, TX
125673
VHS SAN ANTONIO PARTNERS LLC118989
Paul Nevitt
Diagnostic Radiology · San Antonio, TX
68382
Christina Mccune
Diagnostic Radiology · San Antonio, TX
57334
David Marks
Pulmonary Disease · San Antonio, TX
52805
Acadian Ambulance Service Of Texas Llc
Ambulance Service Provider · Beaumont, TX
52395
Clinical Pathology Laboratories, Inc.
Clinical Laboratory · Austin, TX
50476
Neelima Upputuri
Internal Medicine · Grapevine, TX
451,427
Aldo Parodi
Pulmonary Disease · San Antonio, TX
44862
Prashanth Rao
Internal Medicine · San Antonio, TX
39440
Suneetha Muthyala
Internal Medicine · San Antonio, TX
35539
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.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$487
Payment records
24
By payment type
Food and Beverage$461
Education$26