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PROVIDER PROFILE · NPI 1427051994

Sanford ChenM.D.

OphthalmologySanta Ana, CAI
CROSS-REFERENCE

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OIG/SAM exclusion screening, sanctions history
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REFERRAL NETWORK

Where Sanford Chen'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). 9 inbound referrers · 17 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Unilab Corporation
Clinical Laboratory · West Hills, CA
135382
Eugene Chang
Ophthalmology · Pasadena, CA
88443
SADDLEBACK MEMORIAL MEDICAL CENTER49133
Pacific Hills Surgery Center Llc
Ambulatory Surgical Center · Laguna Hills, CA
2060
Surgicare Of La Veta Ltd.
Ambulatory Surgical Center · Irvine, CA
1653
HARRIS HISTOLOGY SERVICES1422
Joseph Mollner
Anesthesiology · Irvine, CA
1347
Timothy You
Ophthalmology · Santa Ana, CA
1239
Robert Starr
Ophthalmology · Huntington Beach, CA
1138
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
Unilab Corporation
Clinical Laboratory · West Hills, CA
117339
Eugene Chang
Ophthalmology · Pasadena, CA
75369
Laboratory Corporation Of America
Clinical Laboratory · San Diego, CA
58125
HOAG MEMORIAL HOSPITAL PRESBYTERIAN56113
SADDLEBACK MEMORIAL MEDICAL CENTER47140
CALIFORNIA LABORATORY SCIENCES LLC4190
MISSION HOSPITAL REGIONAL MEDICAL CENTER3782
UNIVERSITY OF CALIFORNIA IRVINE2575
ST. JOSEPH HOSPITAL OF ORANGE2143
Rajiv Rathod
Ophthalmology · Santa Ana, CA
1934
Gregg Feinerman
Ophthalmology · Newport Beach, CA
1827
Jonathan Pirnazar
Ophthalmology · Laguna Hills, CA
1430
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
Total beneficiaries
3,969
Unique beneficiaries
—
Total services
192,219
Distinct HCPCS
22
Medicare payment
$3.1M
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 2,144 Ophthalmology providers in CA — top quintile (cohort median 1,859).
PRESCRIBING · PART D · 2024
Total Rx claims
255
Beneficiaries
—
Total drug cost
$25K
Distinct drugs
11
Brand share
29.4%
Top prescribed drugs
Prednisolone Acetate85 claims
Latanoprost26 claims
Bromfenac Sodium26 claims
Brimonidine Tartrate/Timolol19 claims
Atropine Sulfate16 claims
QUALITY · MIPS · 2024
Final MIPS score
99.9
Quality
99.9
Cost
0.0
Improvement activities
40.0
Promoting interop.
0.0
Payment adjustment
1.05%
Group
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$43K
Payment records
136
By payment type
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$21K
Consulting Fee$13K
Food and Beverage$6K
Travel and Lodging$4K
Education$41