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PROVIDER PROFILE · NPI 1154390144

Catherine Pyun

PRACTICECRYSTAL TERRYSee all providers at this practice →
Internal MedicineAlameda, CAI
CROSS-REFERENCE

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FACILITY AFFILIATIONS

Hospital & Facility Affiliations (2)

CCN 050211
Hospital
CCN 050320
Hospital
REFERRAL NETWORK

Where Catherine Pyun'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). 37 inbound referrers · 61 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
James Yeh
Internal Medicine · Alameda, CA
133518
BLOOM, ROBERT100322
Community Mobile Diagnostics Llc
Portable X-Ray Supplier · San Leandro, CA
64240
Royal Ambulance Inc.
Ambulance Service Provider · San Leandro, CA
64329
Edward Lee
Emergency Medicine · Alameda, CA
3783
ALAMEDA HEALTH SYSTEM3546
New Schryver Llc
Clinical Laboratory · Denver, CO
3490
ALAMEDA HEALTH SYSTEM3382
Bernice Rodrigues
Emergency Medicine · Castro Valley, CA
3258
Lilavati Indulkar
Internal Medicine · Oakland, CA
3162
William Kammerer
Emergency Medicine · Daly City, CA
3159
Eric Otani
Emergency Medicine · Alameda, CA
2966
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
Ray Yeh
Internal Medicine · Alameda, CA
2961,540
ALAMEDA HEALTH SYSTEM185418
Nerissa Barreto
Nurse Practitioner · Alameda, CA
135637
James Yeh
Internal Medicine · Alameda, CA
130591
FERTIG, SUSAN128405
Hoi Ying Lau
Internal Medicine · Oakland, CA
103230
Christian Simeon
Internal Medicine · Alameda, CA
97245
BLOOM, ROBERT89256
Elpidio Magalong
Internal Medicine · Alameda, CA
86292
MDX-MDL HOLDINGS, LLC831,192
City Of Alameda
Ambulance Service Provider · Alameda, CA
80179
Naini Sharma
Internal Medicine · Fremont, CA
67250
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.
PRESCRIBING · PART D · 2024
Total Rx claims
33
Beneficiaries
—
Total drug cost
$339
Distinct drugs
1
Brand share
0.0%
Top prescribed drugs
Atorvastatin Calcium33 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
393
Unique beneficiaries
—
Total services
624
Distinct HCPCS
8
Medicare payment
$64K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 10,499 Internal Medicine providers in CA — above median (cohort median 531).
QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$123
Payment records
1
By payment type
Food and Beverage$123