John Katsis, DDS LTD
Orthodontics and Dentofacial Orthopedics Dentistry · Bartlett, IL
John Katsis, DDS LTD is an orthodontics and dentofacial orthopedics dentistry with a practice address in Bartlett, Illinois, and NPI 1861546392, issued on Jan 22, 2007. Check the license (Illinois 19016097, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Katsis
- Credential
- DDS LTD
- Primary taxonomy
- Orthodontics and Dentofacial Orthopedics Dentistry 1223X0400X
- License number
- 19016097 IL
Self-reported in NPPES; status is on the state search - Practice location
- 110 S Oak Ave, Bartlett, IL 60103
- Phone
- (630) 830-5550
- Enumerated
- Jan 22, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (630) 830-5352
- Entity
- Type 1 · individual
8 nearest orthodontics and dentofacial orthopedics dentistry records → All 473 in Illinois → Look up another NPI →
Verify John Katsis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 19016097Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $57.37
3 payments; by number, the most common kind was food and beverage; the largest payer was Envista Holdings Corporation. The 7,622 providers of this specialty with any payment received $1,641.73 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
John Katsis among 473 orthodontics and dentofacial orthopedics dentistry records in Illinois
John Katsis, DDS LTD is one of 473 orthodontics and dentofacial orthopedics dentistry records with a practice address in Illinois. 60% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 27% of them.
- NPI issued2007 · 27% of these records are older, 53% newer
- In a Medicare fileYes · 60% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 78% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223X0400X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthodontics and Dentofacial Orthopedics Dentistry providers in Illinois
There are 473 orthodontics and dentofacial orthopedics dentistry records in Illinois.
All 473 in Illinois → Every provider in Bartlett → Orthodontics and Dentofacial Orthopedics Dentistry nationwide →
The 8 orthodontics and dentofacial orthopedics dentistry records with the nearest ZIP codes
- John Katsis, D.D.S., M.S.Bartlett, IL 601031184051211
- Raj DesaiAlgonquin, IL 601021447746334
- Deanne Schmidt, D.D.S.,P.C.Algonquin, IL 601021982726006
- Robert Schwartz, D.D.S., M.S.Algonquin, IL 601021033473764
- Gary Sexson, D.M.D., M.S.Algonquin, IL 601021497853618
- John Thodos, D.D.S.Algonquin, IL 601021356681118
- Sydney TwiggsAlgonquin, IL 601021528754439
- Naoshi Hosomura, D.D.S.Addison, IL 601011861705428
Common questions
What is John Katsis, DDS LTD's NPI number?
John Katsis, DDS LTD's National Provider Identifier (NPI) is 1861546392, issued on Jan 22, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John Katsis, DDS LTD located?
The NPPES record lists a practice address at 110 S Oak Ave, Bartlett, IL, 60103. Phone: (630) 830-5550. Providers update this record themselves, so call before visiting.
How can I verify John Katsis, DDS LTD's license?
NPPES lists Illinois license number 19016097, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.