Catherine Chu, M.D.
Family Medicine Physician · Oswego, IL
Catherine Chu, M.D. is a family medicine physician with a practice address in Oswego, Illinois, and NPI 1043586035, issued on Mar 24, 2012. Check the license (Illinois 036149122, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Catherine Chu
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 036149122 IL
61748-20 WI
Self-reported in NPPES; status is on the state search - Practice location
- 80 Templeton Dr, Oswego, IL 60543
- Phone
- (630) 554-3456
- Enumerated
- Mar 24, 2012
- Entity
- Type 1 · individual
Also registered at 80 Templeton Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kimberly Allen, P.T.Physical Therapist1487695011
- Vincent Botta, A.P.N.Family Nurse Practitioner1992121156
- Karen Chorvat, MDPediatrics Physician1245402932
- Jennifer Crane, MDFamily Medicine Physician1689699902
- Brittany Cummins, LAT, ATC, CSCSAthletic Trainer1346412400
- Alexis Dunne, MDInternal Medicine Physician1336324367
Verify Catherine Chu 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 036149122Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
46% fewer Medicare Part D claims than the average family medicine physician in 2024
1,915 Medicare Part D claims for 154 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Atorvastatin Calcium148 claims
- Levothyroxine Sodium123 claims
- Amlodipine Besylate120 claims
- Losartan Potassium79 claims
- Lisinopril74 claims
- Metoprolol Succinate67 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
- Advocate Health And Hospitals CorporationNaperville, 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.
12 family medicine physician records list a Oswego practice address
They are 12 of the 516 NPPES records with a Oswego practice address, and 5,925 family medicine physician records in Illinois.
All 12 in Oswego → All 5,925 in Illinois → Every provider in Oswego →
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 Catherine Chu, M.D.'s NPI number?
Catherine Chu, M.D.'s National Provider Identifier (NPI) is 1043586035, issued on Mar 24, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Chu, M.D. located?
The NPPES record lists a practice address at 80 Templeton Dr, Oswego, IL, 60543. Phone: (630) 554-3456. Providers update this record themselves, so call before visiting.
How can I verify Catherine Chu, M.D.'s license?
NPPES lists Illinois license number 036149122, 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 Catherine Chu, M.D. prescribe under Medicare Part D?
In 2024, Catherine Chu, M.D. had 1,915 Medicare Part D claims for 154 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.