Thomas Ritter, MD
Family Medicine Physician · Gurnee, IL
Thomas Ritter, MD is a family medicine physician with a practice address in Gurnee, Illinois, and NPI 1265172274, issued on Mar 29, 2022. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Thomas Ritter
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- Practice location
- 6155 Grand Ave Ste 200, Gurnee, IL 60031
- Phone
- (847) 535-7157
- Enumerated
- Mar 29, 2022
- Entity
- Type 1 · individual
Also registered at 6155 Grand Ave Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Margaux Metellus, MDFamily Medicine Physician1427589134
- Dhara Patel, DOFamily Medicine Physician1316574262
- Amy Thomas, M.D.Allergy & Immunology Physician1134359862
Verify Thomas Ritter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
96% fewer Medicare Part D claims than the average family medicine physician in 2024
143 Medicare Part D claims for 37 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Atorvastatin Calcium15 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.
One hospital or facility affiliation
- Northwestern Medical Faculty FoundationGurnee, 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.
26 family medicine physician records list a Gurnee practice address
They are 26 of the 846 NPPES records with a Gurnee practice address, and 5,925 family medicine physician records in Illinois.
All 26 in Gurnee → All 5,925 in Illinois → Every provider in Gurnee →
Other family medicine physician records in Illinois
- Jon Aagaard, MDWheaton, IL1750496923
- Napoleon Abando, MDWoodstock, IL1003972753
- Nikka Abaricia, MDChicago, IL1790366342
- Mohemmed AbbasChicago, IL1609612522
- Muhammad AbbasAlton, IL1588341556
- Syed AbbasWest Dundee, IL1972733103
- Stefanie AbbottMaywood, IL1861137457
- Roann Abdeladl, MDEvanston, IL1437087103
- Ashraf Abdeljaber, M.DNormal, IL1023472636
- Ahmed Abdelkader, MDChicago, IL1659104230
Common questions
What is Thomas Ritter, MD's NPI number?
Thomas Ritter, MD's National Provider Identifier (NPI) is 1265172274, issued on Mar 29, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Ritter, MD located?
The NPPES record lists a practice address at 6155 Grand Ave Ste 200, Gurnee, IL, 60031. Phone: (847) 535-7157. Providers update this record themselves, so call before visiting.
How can I verify Thomas Ritter, MD's license?
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 Thomas Ritter, MD prescribe under Medicare Part D?
In 2024, Thomas Ritter, MD had 143 Medicare Part D claims for 37 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.
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.