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PROVIDER PROFILE · NPI 1134147812

Mark ShermanM.D.

PRACTICEWALTER F. MERDINGER, INC.See all providers at this practice →
General SurgeryLa Jolla, CAI
CROSS-REFERENCE

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OIG/SAM exclusion screening, sanctions history
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FACILITY AFFILIATIONS

Hospital & Facility Affiliations (3)

CCN 050324
Hospital
CCN 050424
Hospital
CCN 050503
Hospital
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
749
Unique beneficiaries
—
Total services
839
Distinct HCPCS
9
Medicare payment
$115K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 1,763 General Surgery providers in CA — top quintile (cohort median 269).
PRESCRIBING · PART D · 2024
Total Rx claims
14
Beneficiaries
—
Total drug cost
$59
Distinct drugs
1
Brand share
100.0%
Top prescribed drugs
Oxycodone Hcl/Acetaminophen14 claims
QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$3K
Payment records
18
By payment type
Consulting Fee$2K
Food and Beverage$821
REFERRAL NETWORK

Where Mark Sherman'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). 4 inbound referrers · 16 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Kent Thompson
Diagnostic Radiology · Rancho Mirage, CA
1754
Paul Gibbs
Pathology · La Jolla, CA
1335
Ratana Bhardwaj
Diagnostic Radiology · San Diego, CA
1127
Philip Hoang
Diagnostic Radiology · La Jolla, CA
1125
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
SCRIPPS HEALTH113387
Laboratory Corporation Of America
Clinical Laboratory · San Diego, CA
3691
NPI 19223241772880
Scripps Health
Clinical Laboratory · San Diego, CA
28209
Kent Thompson
Diagnostic Radiology · Rancho Mirage, CA
2066
Paul Sylvan
Diagnostic Radiology · Rancho Mirage, CA
1945
Stephen Moreland
Diagnostic Radiology · San Diego, CA
1848
Philip Hoang
Diagnostic Radiology · La Jolla, CA
1840
Rahul Patel
Diagnostic Radiology · San Diego, CA
1755
Jerome Pierce
Diagnostic Radiology · La Jolla, CA
1552
David Naugle
Diagnostic Radiology · La Jolla, CA
1443
REGENTS OF THE UNIVERSITY OF CALIFORNIA1350
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.