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PROVIDER PROFILE · NPI 1316979925

Kimberly BlumbergM.D

Diagnostic RadiologyWalnut Creek, CAI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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FACILITY AFFILIATIONS

Hospital & Facility Affiliations (5)

CCN 050038
Hospital
CCN 050043
Hospital
CCN 050180
Hospital
CCN 050380
Hospital
CCN 050496
Hospital
PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
4,631
Unique beneficiaries
—
Total services
4,785
Distinct HCPCS
38
Medicare payment
$144K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 3,474 Diagnostic Radiology providers in CA — above median (cohort median 2,975).
QUALITY · MIPS · 2024
Final MIPS score
90.7
Quality
84.1
Cost
74.5
Improvement activities
40.0
Promoting interop.
0.0
Payment adjustment
0.66%
Group
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where Kimberly Blumberg'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). 217 inbound referrers · 468 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
STANFORD HEALTH CARE TRI-VALLEY7541,416
SUTTER EAST BAY HOSPITALS284448
Mark Tu
Diagnostic Radiology · Walnut Creek, CA
186317
Jonathan Posin
Diagnostic Radiology · Walnut Creek, CA
136228
Angelo Crudale
Diagnostic Radiology · Walnut Creek, CA
126214
Ronald Chan
Diagnostic Radiology · Walnut Creek, CA
123176
Eric Chen
Interventional Radiology · Los Angeles, CA
116162
Sunil Gandhi
Diagnostic Radiology · Walnut Creek, CA
115174
North Star Emergency Services, Inc.
Ambulance Service Provider · Livermore, CA
111233
Amy Lai
Diagnostic Radiology · New York, NY
110179
Michael Brown
Cardiology · Walnut Creek, CA
104175
Aman Saw
Interventional Cardiology · Pleasanton, CA
97200
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
JOHN MUIR HEALTH1,1312,025
Laboratory Corporation Of America
Clinical Laboratory · San Diego, CA
460995
American Medical Response West
Ambulance Service Provider · Concord, CA
368616
STANFORD HEALTH CARE TRI-VALLEY328575
JOHN MUIR HEALTH298447
North Star Emergency Services, Inc.
Ambulance Service Provider · Livermore, CA
288456
Jonathan Posin
Diagnostic Radiology · Walnut Creek, CA
260468
William Hoddick
Diagnostic Radiology · Walnut Creek, CA
228501
Christopher Tran
Diagnostic Radiology · Walnut Creek, CA
197339
Amy Lai
Diagnostic Radiology · New York, NY
182335
JOHN MUIR HEALTH178235
Mark Tu
Diagnostic Radiology · Walnut Creek, CA
159281
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.