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PROVIDER PROFILE · NPI 1003851858

Deborah GreerM.D.

PRACTICEJOHN MUIR PHYSICIAN NETWORKSee all providers at this practice →
Family PracticeWalnut Creek, CAI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
QUALITY · MIPS · 2024
Final MIPS score
99.6
Quality
86.3
Cost
0.0
Improvement activities
40.0
Promoting interop.
100.0
Payment adjustment
1.04%
APM Entity
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
63
Unique beneficiaries
—
Total services
65
Distinct HCPCS
1
Medicare payment
$5K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 8,228 Family Practice providers in CA — below median (cohort median 411).
REFERRAL NETWORK

Where Deborah Greer'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 · 53 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
JOHN MUIR HEALTH1519
Hennessey Tseng
Cardiology · Walnut Creek, CA
1320
Angelo Crudale
Diagnostic Radiology · Walnut Creek, CA
1213
Eric Chen
Interventional Radiology · Los Angeles, CA
1112
Sidra Sheikh
Physical Medicine and Rehabilitation · Philidelphia, PA
1154
North Star Emergency Services, Inc.
Ambulance Service Provider · Livermore, CA
1113
CONTRA COSTA COUNTY1123
Jonathan Posin
Diagnostic Radiology · Walnut Creek, CA
1114
Viviane Alfandary
Internal Medicine · Walnut Creek, CA
1118
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
Laboratory Corporation Of America
Clinical Laboratory · San Diego, CA
379737
JOHN MUIR HEALTH187313
JOHN MUIR HEALTH5884
Laboratory Corporation Of America
Clinical Laboratory · San Leandro, CA
5074
John Cho
Family Practice · Walnut Creek, CA
4875
Ethan Hollander
Family Practice · San Ramon, CA
4465
Edward Lin
Emergency Medicine · Walnut Creek, CA
4263
Olawunmi Beckley
Family Practice · Concord, CA
3859
Gregory Williams
Family Practice · Fresno, CA
3743
Jyoti Bhat
Internal Medicine · Concord, CA
3643
MAVI, RANDEEP3340
Megha Ambati
Internal Medicine · Walnut Creek, CA
3254
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.