What is William Whittier's specialty?

William Whittier (NPI 1609981471) is a Medicare-billing provider whose primary specialty is Nephrology in Chicago, IL.

Where does William Whittier practice?

William Whittier practices in Chicago, IL, based on the location reported in the CMS Medicare provider datasets for NPI 1609981471.

How much does Medicare pay William Whittier?

William Whittier (NPI 1609981471) received approximately $159K in total Medicare Part B payments, serving 432 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1609981471

William WhittierMD

PRACTICEEDMUND J LEWIS MD & ASSOCIATESSee all providers at this practice →

NephrologyChicago, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

785

Unique beneficiaries

—

Total services

1,441

Distinct HCPCS

Medicare payment

$152K

Peer benchmark

Total Medicare services vs. 404 Nephrology providers in IL — above median (cohort median 1,672).

PRESCRIBING · PART D · 2024

Total Rx claims

547

Beneficiaries

—

Total drug cost

$175K

Distinct drugs

Brand share

17.6%

Top prescribed drugs

Valsartan65 claims

Carvedilol58 claims

Potassium Citrate56 claims

Amlodipine Besylate53 claims

Furosemide50 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$412

Payment records

By payment type

Food and Beverage$412

Top paying entities

Food and Beverage$412

REFERRAL NETWORK

Where William Whittier'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). 92 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Palmi Shah Diagnostic Radiology · Chicago, IL	140	618
Casey Gashti Nephrology · Chicago, IL	123	573
NPI 1194783076	116	389
SINSAKUL, MARVIN	115	408
John Meyer Diagnostic Radiology · Chicago, IL	103	346
John Hibbeln Diagnostic Radiology · Chicago, IL	94	302
Superior Air-Ground Ambulance Service, Inc Ambulance Service Provider · Elmhurst, IL	90	171
Roger Rodby Nephrology · Chicago, IL	90	284
Meri Chen Diagnostic Radiology · Chicago, IL	87	248
Stephanie Shors Diagnostic Radiology · Chicago, IL	79	192
Carol Lin Diagnostic Radiology · Chicago, IL	77	245
Roger Billhardt Internal Medicine · Chicago, IL	72	234

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