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PROVIDER PROFILE · NPI 1457372906

William KammererM.D

PRACTICESETON COASTSIDESee all providers at this practice →
Emergency MedicineDaly City, CAI
CROSS-REFERENCE

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REFERRAL NETWORK

Where William Kammerer'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). 16 inbound referrers · 44 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
BLOOM, ROBERT62139
Catherine Pyun
Internal Medicine · Alameda, CA
3159
Royal Ambulance Inc.
Ambulance Service Provider · San Leandro, CA
2976
Robert Deutsch
Pulmonary Disease · Alameda, CA
2481
Alka Sharma
Internal Medicine · Alameda, CA
2156
James Yeh
Internal Medicine · Alameda, CA
1934
Sonia Levingston
Specialist · Oakland, CA
1621
Community Mobile Diagnostics Llc
Portable X-Ray Supplier · San Leandro, CA
1536
Eric Otani
Emergency Medicine · Alameda, CA
1435
KRISHNAMOORTHY, SARAVANAN1424
Lilavati Indulkar
Internal Medicine · Oakland, CA
1315
Bernice Rodrigues
Emergency Medicine · Castro Valley, CA
1236
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
ALAMEDA HEALTH SYSTEM330839
FERTIG, SUSAN129295
City Of Alameda
Ambulance Service Provider · Alameda, CA
101203
Ray Yeh
Internal Medicine · Alameda, CA
96429
BETTINGER, BRADLEY60123
BLOOM, ROBERT46110
James Yeh
Internal Medicine · Alameda, CA
42103
Kma Emergency Services, Inc.
Ambulance Service Provider · San Leandro, CA
3668
Scott Lipson
Diagnostic Radiology · Walnut Creek, CA
3352
Jillian Cipa-Tatum
Hospitalist · Alameda, CA
3289
Catherine Pyun
Internal Medicine · Alameda, CA
3159
Alka Sharma
Internal Medicine · Alameda, CA
3098
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
155
Unique beneficiaries
—
Total services
172
Distinct HCPCS
3
Medicare payment
$16K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 5,287 Emergency Medicine providers in CA — below median (cohort median 355).
PRESCRIBING · PART D · 2024
Total Rx claims
41
Beneficiaries
—
Total drug cost
$120
Distinct drugs
2
Brand share
48.8%
Top prescribed drugs
Ibuprofen21 claims
Hydrocodone/Acetaminophen20 claims
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
QUALITY · MIPS · 2024
Final MIPS score
95.2
Quality
86.9
Cost
72.6
Improvement activities
40.0
Promoting interop.
100.0
Payment adjustment
0.85%
Group