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PROVIDER PROFILE · NPI 1417921982

Amy MatayoshiM.D.

NephrologyOceanside, CAI
CROSS-REFERENCE

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OIG/SAM exclusion screening, sanctions history
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REFERRAL NETWORK

Where Amy Matayoshi'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). 24 inbound referrers · 61 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
SPECTRA LABORATORIES INC105808
FRESENIUS MEDICAL CARE NORTHCOAST, LLC551,055
Sean Pinnell
Diagnostic Radiology · Vista, CA
54322
NPI 106347342935152
Richard Saxon
Diagnostic Radiology · San Diego, CA
35182
Kenneth Carr
Cardiology · Oceanside, CA
34241
Kiran Patel
Diagnostic Radiology · Oceanside, CA
33148
Jennifer Mayberry
Diagnostic Radiology · Portland, OR
33176
REGENTS OF THE UNIVERSITY OF CALIFORNIA32156
Unilab Corporation
Clinical Laboratory · West Hills, CA
32116
William Kakimoto
Diagnostic Radiology · La Jolla, CA
31107
Donald Ponec
Diagnostic Radiology · Oceanside, CA
31131
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
TRI-CITY HOSPITAL1491,082
SPECTRA LABORATORIES INC105810
FRESENIUS MEDICAL CARE NORTHCOAST, LLC581,112
FRESENIUS MEDICAL CARE NORTHCOAST, LLC54617
Stephen Schmitter
Diagnostic Radiology · Dallas, TX
53280
Bruce Biederman
Diagnostic Radiology · Oceanside, CA
51313
Naing Kyaw
Nephrology · Oceanside, CA
45330
BIO-MEDICAL APPLICATIONS OF CALIFORNIA, INC.4497
Richard Barager
Internal Medicine · Oceanside, CA
44244
BIO-MEDICAL APPLICATIONS OF CALIFORNIA, INC.4385
Sean Pinnell
Diagnostic Radiology · Vista, CA
42250
Laboratory Corporation Of America
Clinical Laboratory · San Diego, CA
39147
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
542
Unique beneficiaries
—
Total services
1,699
Distinct HCPCS
10
Medicare payment
$210K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 985 Nephrology providers in CA — above median (cohort median 1,482).
PRESCRIBING · PART D · 2024
Total Rx claims
2,214
Beneficiaries
—
Total drug cost
$399K
Distinct drugs
47
Brand share
10.7%
Top prescribed drugs
Amlodipine Besylate205 claims
Hydralazine Hcl170 claims
Sevelamer Carbonate154 claims
Furosemide154 claims
Allopurinol143 claims
QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$50
Payment records
2
By payment type
Food and Beverage$33
Education$17