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PROVIDER PROFILE · NPI 1902821945

Thomas HemmenM.D./PH.D

PRACTICEUCSDSee all providers at this practice →
NeurologySan Diego, CAI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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PricingContactPrivacyTerms
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$33
Payment records
1
By payment type
Food and Beverage$33
Top paying entities
Food and Beverage$33
QUALITY · MIPS · 2024
Final MIPS score
90.8
Quality
84.1
Cost
73.9
Improvement activities
40.0
Promoting interop.
100.0
Payment adjustment
0.66%
Group
PRESCRIBING · PART D · 2024
Total Rx claims
12
Beneficiaries
—
Total drug cost
$9K
Distinct drugs
1
Brand share
100.0%
Top prescribed drugs
Apixaban12 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
194
Unique beneficiaries
—
Total services
250
Distinct HCPCS
6
Medicare payment
$28K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 1,670 Neurology providers in CA — below median (cohort median 581).
REFERRAL NETWORK

Where Thomas Hemmen'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 · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
REGENTS OF THE UNIVERSITY OF CALIFORNIA127847
Albert Hsiao
Diagnostic Radiology · San Diego, CA
1851
Sharon Brouha
Diagnostic Radiology · San Diego, CA
1731
MAFEE, MAHMOOD1649
Nikdokht Farid
Diagnostic Radiology · San Diego, CA
1625
William Ladd
Diagnostic Radiology · San Diego, CA
1549
Daniel Blanchard
Cardiology · San Diego, CA
1437
Royya Modir
Neurology · San Diego, CA
1448
Brett Meyer
Neurology · San Diego, CA
1234
Anthony Demaria
Cardiology · San Diego, CA
1242
Vicente Iraguimadoz
Neurology · San Diego, CA
1242
Refers patients to
Outbound — where patients go next
No outbound pairs above the suppression threshold.
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.