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PROVIDER PROFILE · NPI 1205834819

William KleinMD

PRACTICEHUNTINGTON BEACH INTERNAL MEDICINE GROUP INCSee all providers at this practice →
Internal MedicineNewport Beach, 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 553107
Home health agency
CCN 557412
Home health agency
CCN 050224
Hospital
CCN 050603
Hospital
CCN 050678
Hospital
PRESCRIBING · PART D · 2024
Total Rx claims
5,212
Beneficiaries
—
Total drug cost
$608K
Distinct drugs
93
Brand share
20.3%
Top prescribed drugs
Atorvastatin Calcium283 claims
Levothyroxine Sodium278 claims
Fluticasone/Umeclidin/Vilanter250 claims
Amlodipine Besylate211 claims
Rosuvastatin Calcium194 claims
REFERRAL NETWORK

Where William Klein'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). 6 inbound referrers · 21 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Unilab Corporation
Clinical Laboratory · West Hills, CA
30104
ORANGE COAST MEMORIAL MEDICAL CENTER2076
Shaya Ghazinoor
Diagnostic Radiology · Newport Beach, CA
1435
William Vandalsem
Diagnostic Radiology · Newport Beach, CA
1435
Ryan Klein
Internal Medicine · Newport Beach, CA
1264
Frederick Birnberg
Diagnostic Radiology · Newport Beach, CA
1234
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
WHITEFIELD MEDICAL LABORATORY INC130364
HOAG MEMORIAL HOSPITAL PRESBYTERIAN117550
Laboratory Corporation Of America
Clinical Laboratory · San Diego, CA
32100
ORANGE COAST MEMORIAL MEDICAL CENTER32113
BIODATA MEDICAL LABORATORIES, INC2784
Unilab Corporation
Clinical Laboratory · West Hills, CA
27102
Timothy Gibson
Orthopedic Surgery · Huntington Beach, CA
25111
CALIFORNIA LABORATORY SCIENCES LLC2063
UNIVERSITY OF CALIFORNIA IRVINE2054
William Vandalsem
Diagnostic Radiology · Newport Beach, CA
1854
Naser Rahbar
Diagnostic Radiology · Anaheim, CA
1579
Jinsoo Keyoung
Diagnostic Radiology · Stanford, CA
1467
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
1,001
Unique beneficiaries
—
Total services
1,498
Distinct HCPCS
8
Medicare payment
$163K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 10,499 Internal Medicine providers in CA — top quintile (cohort median 531).
QUALITY · MIPS · 2024
Final MIPS score
75.0
Quality
25.0
Cost
48.8
Improvement activities
0.0
Promoting interop.
0.0
Payment adjustment
0.00%
Individual
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$2K
Payment records
99
By payment type
Food and Beverage$2K