What is William Birenbaum's specialty?

William Birenbaum (NPI 1407876550) is a Medicare-billing provider whose primary specialty is Internal Medicine in Saint Louis, MO.

Where does William Birenbaum practice?

William Birenbaum practices in Saint Louis, MO, based on the location reported in the CMS Medicare provider datasets for NPI 1407876550.

How much does Medicare pay William Birenbaum?

William Birenbaum (NPI 1407876550) received approximately $164K in total Medicare Part B payments, serving 393 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

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

Top paying entities

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events