What is Dennis Peacock's specialty?

Dennis Peacock (NPI 1023223021) is a Medicare-billing provider whose primary specialty is Internal Medicine in Chicago, IL.

Where does Dennis Peacock practice?

Dennis Peacock practices in Chicago, IL, based on the location reported in the CMS Medicare provider datasets for NPI 1023223021.

How much does Medicare pay Dennis Peacock?

Dennis Peacock (NPI 1023223021) received approximately $9K in total Medicare Part B payments, serving 166 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1023223021

Dennis PeacockMD

Internal MedicineChicago, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

151

Unique beneficiaries

—

Total services

151

Distinct HCPCS

Medicare payment

$8K

Peer benchmark

Total Medicare services vs. 3,790 Internal Medicine providers in IL — bottom quintile (cohort median 760).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$289

Distinct drugs

Brand share

23.8%

Top prescribed drugs

Cephalexin18 claims

Azithromycin16 claims

Amoxicillin/Potassium Clav15 claims

Mupirocin14 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 140276

Hospital

REFERRAL NETWORK

Where Dennis Peacock'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). 0 inbound referrers · 3 outbound destinations.

Receives referrals from

Inbound — who sends patients here

No inbound pairs above the suppression threshold.

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
OCHSNER CLINIC FOUNDATION	22	40
TOURO INFIRMARY	18	32
Laboratory Corporation Of America Holdings Clinical Laboratory · Birmingham, AL	11	14

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