Gail Gizzo-Waitley, MD
Internal Medicine Physician · Winfield, IL
Gail Gizzo-Waitley, MD is an internal medicine physician with a practice address in Winfield, Illinois, and NPI 1518954270, issued on Sep 28, 2005. Check the license (Illinois 036092533, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Gail Gizzo-Waitley
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036092533 IL
Self-reported in NPPES; status is on the state search - Practice location
- 25 N. Winfield, Winfield, IL 60190
- Phone
- (630) 933-4700
- Enumerated
- Sep 28, 2005
- Entity
- Type 1 · individual
Verify Gail Gizzo-Waitley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036092533Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
34 Medicare Part D claims, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The Medicare quality score for 2023: 94.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
One hospital or facility affiliation
- Central Dupage Physician GroupWinfield, IL
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
81 internal medicine physician records list a Winfield practice address
They are 81 of the 778 NPPES records with a Winfield practice address, and 8,522 internal medicine physician records in Illinois.
All 81 in Winfield → All 8,522 in Illinois → Every provider in Winfield →
Other internal medicine physician records in Illinois
- Peter Abadeer, D.O.Bloomington, IL1760469522
- Pamela Abadi, D.O.Winfield, IL1588820179
- Motaz Abas, MDPeoria, IL1215510201
- Elias Abate, M.D.Chicago, IL1336712199
- Maliha Abbas, D.O.Chicago, IL1174963920
- Zareena Abbas, MDChicago, IL1427078872
- Abu Abbasi, MDChicago, IL1083243877
- Ayesha Abbasi, MDChicago, IL1376216705
- Khalda Abbasi, MDNaperville, IL1487705240
- Misha Abbasi, MDChicago, IL1770111635
Common questions
What is Gail Gizzo-Waitley, MD's NPI number?
Gail Gizzo-Waitley, MD's National Provider Identifier (NPI) is 1518954270, issued on Sep 28, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gail Gizzo-Waitley, MD located?
The NPPES record lists a practice address at 25 N. Winfield, Winfield, IL, 60190. Phone: (630) 933-4700. Providers update this record themselves, so call before visiting.
How can I verify Gail Gizzo-Waitley, MD's license?
NPPES lists Illinois license number 036092533, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gail Gizzo-Waitley, MD prescribe under Medicare Part D?
In 2024, Gail Gizzo-Waitley, MD had 34 Medicare Part D claims; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
What is Gail Gizzo-Waitley, MD's Medicare quality score?
The 2023 MIPS final score is 94.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.