Doctor profile · Federal record

Dr. Gail Gizzo-Waitley, MD

Hospitalist Physician (CMS: Hospitalist) · Internal Medicine Physician · Winfield, IL

  • NPI 1518954270
  • Accepts Medicare
  • MIPS 91.3 / 100 · 2023
  • 33 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
25 N. Winfield
Winfield, IL 601901295
(630) 933-4700
fax (630) 933-4427
Mailing address
25 N Winfield RD
Winfield, IL 601901295

Credentials & registration

NPPES · NUCC
NPI registered
September 2005 — 21 yrs on file
Profile last updated
January 18, 2018
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
Illinois #036092533
Medicaid
IL #036092533 2

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1518954270. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
254
Distinct HCPCS
4
Medicare allowed
$39,604
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 167 162 $181
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 52 52 $137
G0316 Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by th 24 21 $32
99204 New patient office or other outpatient visit, 45-59 minutes 11 11 $141

In context: peer comparison

Among 31 peers in this city , average services per provider: 153. This provider delivers 1.7× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gail Gizzo-Waitley's medical specialty?
Dr. Gail Gizzo-Waitley practices Hospitalist Physician in Winfield, IL.
Where does Dr. Gail Gizzo-Waitley practice?
Dr. Gail Gizzo-Waitley practices at 25 N. Winfield, Winfield, IL 601901295. Office phone: 6309334700.
What is Dr. Gail Gizzo-Waitley's NPI?
Dr. Gail Gizzo-Waitley's National Provider Identifier (NPI) is 1518954270, issued by NPPES.
Does Dr. Gail Gizzo-Waitley accept Medicare assignment?
Yes. Dr. Gail Gizzo-Waitley accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gail Gizzo-Waitley commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by th (HCPCS G0316). Source: CMS Medicare Physician & Other Practitioners file.