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PROVIDER PROFILE · NPI 1457379174

Michael Vollmer

PRACTICEINFECTIOUS DISEASE DOCTORS MEDICAL GROUP APCSee all providers at this practice →
Infectious DiseaseWalnut Creek, CAI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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QUALITY · MIPS · 2024
No data available for this provider in 2024.
MEDICARE UTILIZATION · PART B · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
Total Rx claims
83
Beneficiaries
—
Total drug cost
$150K
Distinct drugs
4
Brand share
48.2%
Top prescribed drugs
Cefadroxil28 claims
Bictegrav/Emtricit/Tenofov Ala26 claims
Azithromycin15 claims
Abacavir Sulfate/Lamivudine14 claims
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where Michael Vollmer'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). 96 inbound referrers · 141 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Konark Sharma
Infectious Disease · Walnut Creek, CA
114300
Jorge Bernett
Infectious Disease · Walnut Creek, CA
89169
Jonathan Posin
Diagnostic Radiology · Walnut Creek, CA
86216
Ronald Wasserman
Infectious Disease · Walnut Creek, CA
76192
Kimberly Blumberg
Diagnostic Radiology · Walnut Creek, CA
70157
Amy Lai
Diagnostic Radiology · New York, NY
69181
Angelo Crudale
Diagnostic Radiology · Walnut Creek, CA
68134
Ira Finch
Diagnostic Radiology · Walnut Creek, CA
52185
Vincent Wong
Diagnostic Radiology · Walnut Creek, CA
52104
David Howard
Diagnostic Radiology · Walnut Creek, CA
5198
Ronald Chan
Diagnostic Radiology · Walnut Creek, CA
4688
Eric Chen
Interventional Radiology · Los Angeles, CA
4591
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
Konark Sharma
Infectious Disease · Walnut Creek, CA
118341
Joshua Perlroth
Infectious Disease · Walnut Creek, CA
117274
JOHN MUIR HEALTH103258
William Hoddick
Diagnostic Radiology · Walnut Creek, CA
84237
Ronald Wasserman
Infectious Disease · Walnut Creek, CA
81275
Jorge Bernett
Infectious Disease · Walnut Creek, CA
79161
Laboratory Corporation Of America
Clinical Laboratory · San Diego, CA
70272
Protransport 1
Ambulance Service Provider · Rohnert Park, CA
62116
Jonathan Posin
Diagnostic Radiology · Walnut Creek, CA
61150
North Star Emergency Services, Inc.
Ambulance Service Provider · Livermore, CA
53101
Bela Chheda
Internal Medicine · Walnut Creek, CA
4861
Sunil Gandhi
Diagnostic Radiology · Walnut Creek, CA
47101
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.