PROVIDER PROFILE · NPI 1407876550

William BirenbaumM.D.

Internal MedicineSaint Louis, MOI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,621

Unique beneficiaries

—

Total services

2,847

Distinct HCPCS

Medicare payment

$160K

Peer benchmark

Total Medicare services vs. 1,563 Internal Medicine providers in MO — top quintile (cohort median 658).

PRESCRIBING · PART D · 2024

Total Rx claims

13,386

Beneficiaries

—

Total drug cost

$816K

Distinct drugs

151

Brand share

18.3%

Top prescribed drugs

Atorvastatin Calcium875 claims

Amlodipine Besylate613 claims

Lisinopril470 claims

Losartan Potassium423 claims

Omeprazole396 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$577

Payment records

By payment type

Food and Beverage$577

REFERRAL NETWORK

Where William Birenbaum'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). 14 inbound referrers · 33 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
MISSOURI BAPTIST MEDICAL CENTER	124	520
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Maryland Heights, MO	42	106
Andrew Gold Internal Medicine · Saint Louis, MO	30	80
NPI 1407879562	26	74
Christopher Thornton Diagnostic Radiology · Saint Louis, MO	22	48
Charles Crecelius Geriatric Medicine · Saint Louis, MO	22	120
NIEMEYER, JOHN	20	60
ST. LUKES EPISCOPAL-PRESBYTERIAN HOSPITAL	20	35
MOSHER, AMY	19	68
Jamie Colonnello Diagnostic Radiology · Fort Collins, CO	17	39
STRONACH, LINDA	14	53
GEE, WILLIAM	14	29

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Labone Llc Clinical Laboratory · Lenexa, KS	306	899
MISSOURI BAPTIST MEDICAL CENTER	136	541
Andrew Gold Internal Medicine · Saint Louis, MO	32	92
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Maryland Heights, MO	29	70
Charles Crecelius Geriatric Medicine · Saint Louis, MO	28	108
Christopher Thornton Diagnostic Radiology · Saint Louis, MO	28	54
Douglas Curry Diagnostic Radiology · Saint Louis, MO	28	68
NPI 1407879562	26	65
ENGELS, JOHN	25	64
Floyd Scales Interventional Radiology · Saint Louis, MO	21	50
Linda Proctor Diagnostic Radiology · Saint Louis, MO	20	65
ST. LUKES EPISCOPAL-PRESBYTERIAN HOSPITAL	20	27

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