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PROVIDER PROFILE · NPI 1346286465

Gregg TolliverM.D.

Infectious DiseaseGreenbrae, CAI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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PricingContactPrivacyTerms
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
488
Unique beneficiaries
—
Total services
994
Distinct HCPCS
8
Medicare payment
$105K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 583 Infectious Disease providers in CA — above median (cohort median 564).
PRESCRIBING · PART D · 2024
Total Rx claims
33
Beneficiaries
—
Total drug cost
$4K
Distinct drugs
2
Brand share
0.0%
Top prescribed drugs
Ampicillin Sodium19 claims
Cephalexin14 claims
QUALITY · MIPS · 2024
Final MIPS score
86.5
Quality
96.6
Cost
81.8
Improvement activities
0.0
Promoting interop.
0.0
Payment adjustment
0.49%
Individual
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where Gregg Tolliver'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). 40 inbound referrers · 61 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
MARIN GENERAL HOSPITAL159928
Philip Kurzman
Diagnostic Radiology · Greenbrae, CA
82412
Donna Hoghooghi
Diagnostic Radiology · Greenbrae, CA
69342
Brian Nagai
Diagnostic Radiology · Fremont, CA
64287
ORWIG, DENNIS64323
Natalya Lvoff
Diagnostic Radiology · Greenbrae, CA
58208
Robert Wirth
Diagnostic Radiology · Novato, CA
55174
William Demartini
Diagnostic Radiology · Greenbrae, CA
54226
Alexander Evens
Internal Medicine · Turlock, CA
46190
Rina Marfatia
Infectious Disease · Greenbrae, CA
46210
North Star Emergency Services, Inc.
Ambulance Service Provider · Livermore, CA
43231
Adam Baumgarten
Cardiology · Larkspur, CA
35131
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
MARIN GENERAL HOSPITAL114893
North Star Emergency Services, Inc.
Ambulance Service Provider · Livermore, CA
78307
Adam Nevitt
Diagnostic Radiology · Daly City, CA
76421
Philip Kurzman
Diagnostic Radiology · Greenbrae, CA
72260
Ralph Koenker
Diagnostic Radiology · Novato, CA
56245
Brian Nagai
Diagnostic Radiology · Fremont, CA
48248
Donna Hoghooghi
Diagnostic Radiology · Greenbrae, CA
42182
Ray Brindley
Internal Medicine · San Francisco, CA
40344
Robert Wirth
Diagnostic Radiology · Novato, CA
39188
William Demartini
Diagnostic Radiology · Greenbrae, CA
39214
Rina Marfatia
Infectious Disease · Greenbrae, CA
38137
ORWIG, DENNIS37147
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.