caretrace.iopowered by▸healthparse
SearchCohort Builder
Tools▾
KOL FinderTerritoriesDrug Compare
AI Query
Browse▾
By stateBy specialty
Pricing
SearchCohort BuilderToolsKOL FinderTerritoriesDrug CompareAI QueryBrowseBy stateBy specialtyPricing
PROVIDER PROFILE · NPI 1376541060

Charles AllisonM.D.

PRACTICEMERCY DOCTORS MEDICAL GROUP INCSee all providers at this practice →
Internal MedicineSan Francisco, CAI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
QUALITY · MIPS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
Total Rx claims
3,888
Beneficiaries
—
Total drug cost
$392K
Distinct drugs
79
Brand share
17.5%
Top prescribed drugs
Atorvastatin Calcium429 claims
Lisinopril220 claims
Metformin Hcl190 claims
Amlodipine Besylate186 claims
Hydrochlorothiazide152 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
1,124
Unique beneficiaries
—
Total services
1,455
Distinct HCPCS
16
Medicare payment
$93K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 10,499 Internal Medicine providers in CA — top quintile (cohort median 531).
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$2K
Payment records
81
By payment type
Food and Beverage$2K
REFERRAL NETWORK

Where Charles Allison'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). 11 inbound referrers · 14 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
UCSF HEALTH COMMUNITY HOSPITALS139538
Richard Podolin
Cardiology · San Francisco, CA
29145
David Priest
Diagnostic Radiology · San Francisco, CA
2643
Flora Stepansky
Diagnostic Radiology · San Francisco, CA
2146
John Harris
Diagnostic Radiology · San Francisco, CA
1832
Kenneth Mills
Internal Medicine · San Francisco, CA
1763
Vishal Patel
Interventional Cardiology · Santa Rosa, CA
1623
Luke Scalcione
Diagnostic Radiology · San Diego, CA
1336
Jessica Tan
Diagnostic Radiology · San Francisco, CA
1216
Mamata Myneni
Diagnostic Radiology · Durham, NC
1122
Diana Hilbert
Internal Medicine · San Francisco, CA
1125
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
UCSF HEALTH COMMUNITY HOSPITALS76296
Richard Podolin
Cardiology · San Francisco, CA
23130
Remo Morelli
Cardiology · San Francisco, CA
21151
Aissatou Haman
Internal Medicine · San Francisco, CA
1867
Douglas Bourgon
Diagnostic Radiology · San Francisco, CA
1843
Kenneth Mills
Internal Medicine · San Francisco, CA
1642
Flora Stepansky
Diagnostic Radiology · San Francisco, CA
1524
Luke Scalcione
Diagnostic Radiology · San Diego, CA
1434
MURRAY, ROBERT1436
David Priest
Diagnostic Radiology · San Francisco, CA
1425
John Harris
Diagnostic Radiology · San Francisco, CA
1227
Jessica Tan
Diagnostic Radiology · San Francisco, CA
1137
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.