What is Louis Spiegel's specialty?

Louis Spiegel (NPI 1821230715) is a Medicare-billing provider whose primary specialty is Nephrology in Southampton, NY.

Where does Louis Spiegel practice?

Louis Spiegel practices in Southampton, NY, based on the location reported in the CMS Medicare provider datasets for NPI 1821230715.

How much does Medicare pay Louis Spiegel?

Louis Spiegel (NPI 1821230715) received approximately $103K in total Medicare Part B payments, serving 306 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1821230715

Louis SpiegelM.D.

NephrologySouthampton, NYI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

546

Unique beneficiaries

—

Total services

1,051

Distinct HCPCS

Medicare payment

$98K

Peer benchmark

Total Medicare services vs. 690 Nephrology providers in NY — above median (cohort median 875).

PRESCRIBING · PART D · 2024

Total Rx claims

492

Beneficiaries

—

Total drug cost

$138K

Distinct drugs

Brand share

28.0%

Top prescribed drugs

Losartan Potassium126 claims

Calcitriol69 claims

Dapagliflozin Propanediol67 claims

Furosemide37 claims

Patiromer Calcium Sorbitex31 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$472

Payment records

By payment type

Food and Beverage$472

Top paying entities

Food and Beverage$472

REFERRAL NETWORK

Where Louis Spiegel'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). 30 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
UNIVERSITY HOSPITAL AT STONY BROOK	172	815
BRANCACCIO, WILLIAM	81	228
Gaylord Hoffert Nephrology · Pinehurst, NC	79	283
ZACK, JUSTIN	68	219
Konstadinos Spyris Hospitalist · Southampton, NY	44	87
Allison Van Arsdale Family Practice · Southampton, NY	37	74
Barry Armandi Diagnostic Radiology · Riverhead, NY	34	88
Michael Israel Internal Medicine · Southampton, NY	33	78
Howard Sklarek Pulmonary Disease · Southampton, NY	33	77
David Gross Diagnostic Radiology · Riverhead, NY	27	64
Prateek Dalal Cardiology · Riverhead, NY	25	59
WHELAN, MARGARET	23	43

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events