John Katsis D.D.S., Ltd.
NPI 1194194639 · Orthodontics and Dentofacial Orthopedics Dentistry · Bartlett, IL
John Katsis D.D.S., Ltd. is a Orthodontics and Dentofacial Orthopedics Dentistry organization in Bartlett, IL (NPI 1194194639).
Provider details
- NPI number
- 1194194639
- Entity type
- Organization
- Primary specialty
- Orthodontics and Dentofacial Orthopedics DentistryDental Providers
- Organization subpart
- No
- Authorized official
- John Katsis, Orthodontist / Owner(630) 894-5557
- License
- 019016097 (IL)
Specialties & taxonomies
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Other name
- John Katsis Jr. D.D.S.
Registry dates
- Enumerated
- 2015-09-15
- Last updated
- 2015-09-15
Frequently asked questions
- What is John Katsis D.D.S., Ltd.'s NPI number?
- John Katsis D.D.S., Ltd.'s National Provider Identifier (NPI) is 1194194639, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is John Katsis D.D.S., Ltd.?
- John Katsis D.D.S., Ltd. is classified in the NPPES registry as Orthodontics and Dentofacial Orthopedics Dentistry (Dental Providers).
- Where is John Katsis D.D.S., Ltd. located?
- John Katsis D.D.S., Ltd.'s practice location on file with NPPES is 110 S Oak Ave, Bartlett, IL 60103-6621.
- What is John Katsis D.D.S., Ltd.'s phone number?
- The practice phone number listed in the NPPES registry for John Katsis D.D.S., Ltd. is (630) 894-5557.
- Who is the authorized official for John Katsis D.D.S., Ltd.?
- The authorized official listed on John Katsis D.D.S., Ltd.'s NPPES record is John Katsis, Orthodontist / Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is John Katsis D.D.S., Ltd.'s NPI active?
- Yes — John Katsis D.D.S., Ltd.'s NPI (1194194639) is active in the NPPES registry as of the last update on 2015-09-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.