PROVIDER PROFILE · NPI 1851372288

Charles WeidmannM.D.

PRACTICEWEST COAST RHEUMATOLOGY ASSOCIATESSee all providers at this practice →

RheumatologyVan Nuys, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

6,998

Unique beneficiaries

—

Total services

45,977

Distinct HCPCS

Medicare payment

$983K

Peer benchmark

Total Medicare services vs. 530 Rheumatology providers in CA — top quintile (cohort median 1,833).

PRESCRIBING · PART D · 2024

Total Rx claims

1,565

Beneficiaries

—

Total drug cost

$1.7M

Distinct drugs

Brand share

51.4%

Top prescribed drugs

Hydrocodone/Acetaminophen160 claims

Denosumab132 claims

Abatacept/Maltose121 claims

Gabapentin106 claims

Methotrexate Sodium103 claims

QUALITY · MIPS · 2024

Final MIPS score

99.1

Quality

94.0

Cost

35.6

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

1.01%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$108

Payment records

By payment type

Food and Beverage$108

REFERRAL NETWORK

Where Charles Weidmann'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). 15 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · West Hills, CA	120	450
RHEUMATOLOGY DIAGNOSTICS LABORATORY INC	42	93
John Crues Diagnostic Radiology · Los Angeles, CA	31	155
DIGNITY COMMUNITY CARE	24	58
Vijay Mandyam Podiatry · Lancaster, CA	23	88
ALONSO, LAZARO	22	83
Kevin Rice Diagnostic Radiology · Cape Girardeau, MO	21	77
Munaf Shamji Cardiology · Van Nuys, CA	19	41
PROVIDENCE HEALTH SYSTEM - SOUTHERN CALIFORNIA	18	56
City Of Los Angeles Ambulance Service Provider · Los Angeles, CA	18	26
PROVIDENCE HEALTH SYSTEM - SOUTHERN CALIFORNIA	16	45
Ashwin Prabhu Diagnostic Radiology · Los Angeles, CA	15	71

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

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.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history