What is Maggie Chacko's specialty?

Maggie Chacko (NPI 1417993734) is a Medicare-billing provider whose primary specialty is Internal Medicine in Elmhurst, IL.

Where does Maggie Chacko practice?

Maggie Chacko practices in Elmhurst, IL, based on the location reported in the CMS Medicare provider datasets for NPI 1417993734.

How much does Medicare pay Maggie Chacko?

Maggie Chacko (NPI 1417993734) received approximately $115K in total Medicare Part B payments, serving 195 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1417993734

Maggie ChackoMD

Internal MedicineElmhurst, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

959

Unique beneficiaries

—

Total services

1,148

Distinct HCPCS

Medicare payment

$107K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

4,504

Beneficiaries

—

Total drug cost

$289K

Distinct drugs

Brand share

21.2%

Top prescribed drugs

Atorvastatin Calcium285 claims

Montelukast Sodium232 claims

Levothyroxine Sodium204 claims

Amlodipine Besylate194 claims

Simvastatin161 claims

QUALITY · MIPS · 2024

Final MIPS score

84.9

Quality

75.9

Cost

74.6

Improvement activities

40.0

Promoting interop.

99.0

Payment adjustment

0.42%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Maggie 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). 21 inbound referrers · 45 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
KATZOVITZ, KRISTINA	79	391
Lee Dennis Diagnostic Radiology · Elmhurst, IL	31	63
Barry Lessin Diagnostic Radiology · Elmhurst, IL	31	62
John Cahill Interventional Cardiology · Elmhurst, IL	29	158
Lawrence Barr Interventional Cardiology · Elmhurst, IL	29	165
Pratik Parikh Interventional Cardiology · Elmhurst, IL	23	104
WEINBERG, JEROLD	22	68
Phillip Cozzi Pulmonary Disease · Elmhurst, IL	19	130
Kenneth Bennet Diagnostic Radiology · Elmhurst, IL	17	37
WADAS, MARIE	17	48
Superior Air-Ground Ambulance Service, Inc Ambulance Service Provider · Elmhurst, IL	16	38
David Beezhold Infectious Disease · Burr Ridge, IL	16	90

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
ELMHURST MEMORIAL HOSPITAL	188	2,702
KATZOVITZ, KRISTINA	76	405
Agron Elezi Internal Medicine · Elmhurst, IL	74	394
David Wasserman Diagnostic Radiology · Elmhurst, IL	62	192
Aloyzas Pakalniskis Diagnostic Radiology · Elmhurst, IL	42	148
Karim Yunez Internal Medicine · Lombard, IL	42	177
Vivek Dave Diagnostic Radiology · Elmhurst, IL	40	126
Elmer Murdock Interventional Cardiology · Elmhurst, IL	35	136
Lee Dennis Diagnostic Radiology · Elmhurst, IL	32	86
David Morrissey Diagnostic Radiology · Elmhurst, IL	31	78
Nicholas Kujala Diagnostic Radiology · Santa Rosa, CA	30	81
Cash Casey Clinical Cardiac Electrophysiology · Elmhurst, IL	27	95

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