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PROVIDER PROFILE · NPI 1336131689

Less ChafenM.D.

Diagnostic RadiologyWalnut Creek, CAI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
1,418
Unique beneficiaries
—
Total services
1,421
Distinct HCPCS
8
Medicare payment
$47K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 3,474 Diagnostic Radiology providers in CA — below median (cohort median 2,975).
PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
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
REFERRAL NETWORK

Where Less Chafen'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). 39 inbound referrers · 76 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
SUTTER EAST BAY HOSPITALS651721
Eileen Consorti
General Surgery · Bellevue, WA
2641
Kathryn Malone
Family Practice · Berkeley, CA
2453
Linda Gordon
Diagnostic Radiology · San Jose, CA
2428
LEVINSKY, DEBRA2428
Ying Fung
Diagnostic Radiology · Walnut Creek, CA
2323
Milana Dolezal
Hematology-Oncology · Palo Alto, CA
2235
Shirley Tucker-Harris
Internal Medicine · Oakland, CA
2136
RICH, PHILIP1920
Nina Birnbaum
Family Practice · Albany, CA
1827
GOTTLIEB, MARCI1837
Mary Miller
Internal Medicine · Orinda, CA
1828
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
SUTTER EAST BAY HOSPITALS1,2251,545
Unilab Corporation
Clinical Laboratory · Sacramento, CA
157283
SUTTER EAST BAY HOSPITALS144168
Laboratory Corporation Of America
Clinical Laboratory · San Diego, CA
119167
Ann Wexler
Hematology-Oncology · Berkeley, CA
71141
Unilab Corporation
Clinical Laboratory · San Jose, CA
64146
SUTTER MEDICAL CENTER CASTRO VALLEY6173
Richard Brenner
Diagnostic Radiology · San Francisco, CA
5160
Risa Kagan
Obstetrics & Gynecology · Berkeley, CA
4554
Linda Gordon
Diagnostic Radiology · San Jose, CA
4351
UNIVERSITY OF CALIFORNIA, SAN FRANCISCO3246
BAILEY, LISA3267
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.