What is Karen Chacko's specialty?

Karen Chacko (NPI 1124118807) is a Medicare-billing provider whose primary specialty is Internal Medicine in Aurora, CO.

Where does Karen Chacko practice?

Karen Chacko practices in Aurora, CO, based on the location reported in the CMS Medicare provider datasets for NPI 1124118807.

How much does Medicare pay Karen Chacko?

Karen Chacko (NPI 1124118807) received approximately $8K in total Medicare Part B payments, serving 110 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1124118807

Karen ChackoMD

PRACTICEJAVIER WAKSMAN MD,PC.See all providers at this practice →

Internal MedicineAurora, COI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

169

Unique beneficiaries

—

Total services

223

Distinct HCPCS

Medicare payment

$7K

Peer benchmark

Total Medicare services vs. 1,144 Internal Medicine providers in CO — below median (cohort median 528).

PRESCRIBING · PART D · 2024

Total Rx claims

301

Beneficiaries

—

Total drug cost

$4K

Distinct drugs

Brand share

4.3%

Top prescribed drugs

Atorvastatin Calcium62 claims

Levothyroxine Sodium29 claims

Amlodipine Besylate25 claims

Lisinopril23 claims

Losartan Potassium21 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 060024

Hospital

REFERRAL NETWORK

Where Karen Chacko'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). 2 inbound referrers · 5 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
UNIVERSITY OF COLORADO HOSPITAL AUTHORITY	114	649
Susan Nikels Internal Medicine · Aurora, CO	15	30

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
UNIVERSITY OF COLORADO HOSPITAL AUTHORITY	158	1,031
Susan Nikels Internal Medicine · Aurora, CO	45	68
HARDESTY, LARA	15	29
Katherine Payne Physical Medicine and Rehabilitation · Aurora, CO	12	25
Mary Lowry Diagnostic Radiology · Denver, CO	11	18

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