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PROVIDER PROFILE · NPI 1114018132

Larry MarshallMD

PRACTICELARRY J MARSHALL MD A PROFESSIONAL CORPORATIONSee all providers at this practice →
Family PracticeLakeside, CAI
CROSS-REFERENCE

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OIG/SAM exclusion screening, sanctions history
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QUALITY · MIPS · 2024
No data available for this provider in 2024.
FACILITY AFFILIATIONS

Hospital & Facility Affiliations (5)

CCN 053100
Home health agency
CCN 053124
Home health agency
CCN 058113
Home health agency
CCN 050026
Hospital
CCN 050100
Hospital
PRESCRIBING · PART D · 2024
Total Rx claims
7,035
Beneficiaries
—
Total drug cost
$345K
Distinct drugs
133
Brand share
15.8%
Top prescribed drugs
Atorvastatin Calcium467 claims
Hydrochlorothiazide320 claims
Levothyroxine Sodium289 claims
Lisinopril265 claims
Amlodipine Besylate251 claims
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$302
Payment records
15
By payment type
Food and Beverage$302
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
269
Unique beneficiaries
—
Total services
571
Distinct HCPCS
5
Medicare payment
$36K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 8,228 Family Practice providers in CA — top quintile (cohort median 411).
REFERRAL NETWORK

Where Larry Marshall'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). 41 inbound referrers · 67 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
SDXRAY & LAB INC1101,749
SD XRAY LLC69617
Unilab Corporation
Clinical Laboratory · West Hills, CA
58150
Krauz Ganadjian
Psychiatry · La Mesa, CA
57407
Nassir Azimi
Cardiology · La Mesa, CA
49249
WEST COAST CLINICAL LABORATORIES, INC.44255
RILEY CARE AMBULANCE SERVICES41576
Melchior Vallone
Podiatry · La Mesa, CA
40205
SAN DIEGO MEDICAL SERVICES ENTERPRISE, LLC39143
Kurt Davies
Physician Assistant · Santee, CA
37382
CITY OF EL CAJON31145
John Otis
Psychiatry · La Jolla, CA
31187
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
GROSSMONT HOSPITAL CORPORATION2261,299
COUNTRY HILLS HEALTH CARE INCORPORATED1311,383
SDXRAY & LAB INC1091,858
Unilab Corporation
Clinical Laboratory · West Hills, CA
105211
Kan-Di-Ki Llc
Portable X-Ray Supplier · North Hollywood, CA
721,323
SD XRAY LLC70627
Krauz Ganadjian
Psychiatry · La Mesa, CA
61377
Nassir Azimi
Cardiology · La Mesa, CA
52279
Harry Ellison
Diagnostic Radiology · La Mesa, CA
50197
AMERICAN MEDICAL RESPONSE OF SAN DIEGO, INC.49256
WEST COAST CLINICAL LABORATORIES, INC.47245
TROUT, TERE45225
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.