Doctor profile · Federal record

Dr. Margaret Zabiega, M.D.

Hospitalist Physician (CMS: Hospitalist) · Joliet, IL

  • NPI 1578564654
  • Accepts Medicare
  • 25 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2100 Glenwood Ave
Joliet, IL 60435
(815) 725-2121
Additional location
1801 N Senate Blvd, Suite 203
Indianapolis, IN 462021228
(317) 962-5820
fax (317) 962-3916
Mailing address
Po Box 713260
Chicago, IL 606771260

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
August 29, 2023
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
Illinois #036110941
Medicaid
IN #200503120

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1578564654. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,801
Distinct HCPCS
8
Medicare allowed
$193,428
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 871 340 $82
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 303 281 $177
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 276 180 $123
99239 Hospital discharge day management, more than 30 minutes 155 143 $118
99238 Hospital discharge day management, 30 minutes or less 138 133 $82
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 23 16 $52
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 22 22 $135
99497 Advance care planning, first 30 minutes 13 11 $78

In context: peer comparison

Among 6 peers in Joliet Hospitalist Physician, average services per provider: 229. This provider delivers 7.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
125
Patients
87
Total drug cost
$6,624
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 30 30 $287
Furosemide Generic 19 11 $73
Amlodipine Besylate Generic 16 12 $109
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 14 11 $209
Cefuroxime (Cefuroxime Axetil) Brand 12 12 $175
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 12 11 $68
Carvedilol Generic 11 0 $114
Eliquis (Apixaban) Brand 11 0 $5,588

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Margaret Zabiega's medical specialty?
Dr. Margaret Zabiega practices Hospitalist Physician in Joliet, IL.
Where does Dr. Margaret Zabiega practice?
Dr. Margaret Zabiega practices at 2100 Glenwood Ave, Joliet, IL 60435. Office phone: 8157252121.
What is Dr. Margaret Zabiega's NPI?
Dr. Margaret Zabiega's National Provider Identifier (NPI) is 1578564654, issued by NPPES.
Does Dr. Margaret Zabiega accept Medicare assignment?
Yes. Dr. Margaret Zabiega accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Margaret Zabiega commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.