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PROVIDER PROFILE · NPI 1083036743

Warren Joseph San DiegoMD

PRACTICEG&R MEDICAL CORPORATIONSee all providers at this practice →
Internal MedicineFairfield, CAI
CROSS-REFERENCE

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FACILITY AFFILIATIONS

Hospital & Facility Affiliations (3)

CCN 751626
Hospice
CCN 921543
Hospice
CCN 050367
Hospital
REFERRAL NETWORK

Where Warren Joseph San Diego'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). 29 inbound referrers · 105 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Lewis Weisblum
Diagnostic Radiology · Fairfield, CA
114241
Kathryn Amacher
Internal Medicine · Vacaville, CA
2477
Steven Ong
Nephrology · Fairfield, CA
2257
Edward Yoon
Cardiology · San Pablo, CA
2043
Teresa Bonzani
Emergency Medicine · Travis Afb, CA
2042
Seth Kaufman
Emergency Medicine · Fairfield, CA
1932
NORTHBAY HEALTHCARE GROUP1824
Rizwan Tokhi
Emergency Medicine · Las Vegas, NV
1829
Nghi Lu
Diagnostic Radiology · Riverside, CA
1722
ANTON, STEVEN1737
POSCHER, MARGARET1631
Toshi Hiraoka
Emergency Medicine · Fairfield, CA
1633
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
NORTHBAY HEALTHCARE GROUP4171,023
James Bronk
Diagnostic Radiology · Fairfield, CA
264659
Medic Ambulance Service Inc
Ambulance Service Provider · Vallejo, CA
184435
Steven Dileo
Diagnostic Radiology · Colorado Springs, CO
149332
Matthew Johnson
Internal Medicine · Fairfield, CA
108259
Cynthia Tan
Diagnostic Radiology · Maywood, IL
90175
Ryan Davis
Diagnostic Radiology · Sarasota, FL
78155
Lewis Weisblum
Diagnostic Radiology · Fairfield, CA
74203
Shahid Rehman
Neurology · Fairfield, CA
67157
ANTON, STEVEN66176
Serge Djukic
Diagnostic Radiology · Modesto, CA
65122
Girmay Gebremedhin
Internal Medicine · Bakersfield, CA
64403
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
507
Unique beneficiaries
—
Total services
849
Distinct HCPCS
5
Medicare payment
$82K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 10,499 Internal Medicine providers in CA — above median (cohort median 531).
PRESCRIBING · PART D · 2024
Total Rx claims
190
Beneficiaries
—
Total drug cost
$8K
Distinct drugs
11
Brand share
25.8%
Top prescribed drugs
Pantoprazole Sodium38 claims
Cefpodoxime Proxetil27 claims
Atorvastatin Calcium21 claims
Doxycycline Monohydrate16 claims
Metoprolol Tartrate15 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.