PROVIDER PROFILE · NPI 1962440883

Diana WesterfieldD.O.

CardiologySaint Peters, MOI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,103

Unique beneficiaries

—

Total services

1,484

Distinct HCPCS

Medicare payment

$65K

Peer benchmark

Total Medicare services vs. 343 Cardiology providers in MO — below median (cohort median 2,194).

PRESCRIBING · PART D · 2024

Total Rx claims

6,926

Beneficiaries

—

Total drug cost

$1.3M

Distinct drugs

Brand share

21.3%

Top prescribed drugs

Metoprolol Succinate665 claims

Atorvastatin Calcium654 claims

Apixaban633 claims

Lisinopril546 claims

Metoprolol Tartrate475 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$2K

Payment records

By payment type

Travel and Lodging$989

Food and Beverage$902

REFERRAL NETWORK

Where Diana Westerfield'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). 50 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
BARNES JEWISH ST PETERS HOSPITAL INC	458	1,424
Marc Lewen Cardiology · Saint Peters, MO	137	222
St. Charles County Ambulance District Ambulance Service Provider · Saint Peters, MO	120	192
MISSOURI BAPTIST MEDICAL CENTER	111	181
James Kelly Diagnostic Radiology · Saint Louis, MO	107	248
NPI 1265474001	101	164
Joelle Biernacki Diagnostic Radiology · Saint Louis, MO	97	156
Michael Missler Cardiology · Saint Peters, MO	80	155
Constance Courtois Diagnostic Radiology · Saint Louis, MO	67	125
Alan Brook Pulmonary Disease · Saint Peters, MO	58	145
VLAHOVICH, GARY	58	109
John Hartweger Internal Medicine · Saint Peters, MO	57	93

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