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PROVIDER PROFILE · NPI 1255490330

Mark Smith

PRACTICEVINCENT Q. NGUYEN, M.D., INC.See all providers at this practice →
OphthalmologySan Diego, CAI
CROSS-REFERENCE

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OIG/SAM exclusion screening, sanctions history
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REFERRAL NETWORK

Where Mark Smith'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). 12 inbound referrers · 23 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Unilab Corporation
Clinical Laboratory · West Hills, CA
4678
SHARP MEMORIAL HOSPITAL3762
REGENTS OF THE UNIVERSITY OF CALIFORNIA37103
John Bokosky
Ophthalmology · San Diego, CA
2762
Atul Jain
Ophthalmology · San Diego, CA
2446
Fane Robinson
Ophthalmology · San Diego, CA
2338
Neil Choplin
Ophthalmology · San Diego, CA
1735
PALOMAR HEALTH1519
FRANCIS, DAVID1317
SHARP CORONADO HOSPITAL AND HEALTHCARE CENTER1326
SPECTRA LABORATORIES INC1215
THUEN, ERIC1117
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
Laboratory Corporation Of America
Clinical Laboratory · San Diego, CA
93154
Scripps Health
Clinical Laboratory · San Diego, CA
59244
Unilab Corporation
Clinical Laboratory · West Hills, CA
4877
TRI-CITY HOSPITAL41106
REGENTS OF THE UNIVERSITY OF CALIFORNIA36107
SHARP MEMORIAL HOSPITAL3464
John Bokosky
Ophthalmology · San Diego, CA
2557
Fane Robinson
Ophthalmology · San Diego, CA
2443
SCRIPPS HEALTH2343
SCRIPPS HEALTH1936
SCRIPPS HEALTH1727
Scripps Health
Clinical Laboratory · La Jolla, CA
1549
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.
MEDICARE UTILIZATION · PART B · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
Total Rx claims
12
Beneficiaries
—
Total drug cost
$104
Distinct drugs
1
Brand share
100.0%
Top prescribed drugs
Dorzolamide Hcl/Timolol Maleat12 claims
QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.