OrganizationActive
John O'Brien DDS
NPI 1598018590 · Dentist · Tinley Park, IL
John O'Brien DDS is a Dentist organization in Tinley Park, IL (NPI 1598018590).
Provider details
- NPI number
- 1598018590
- Entity type
- Organization
- Primary specialty
- DentistDental Providers
- Organization subpart
- No
- Authorized official
- John O'Brien, Owner(708) 429-4700
- License
- 019020128 (IL)
Specialties & taxonomies
Dental Providers
Profile Score
Detailed profile(79/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
17726 Oak Park Ave
Tinley Park, IL 60477-3917
Phone: (708) 429-4700
Fax: (708) 532-5070
Street-level locationGet directions
Mailing address
17726 Oak Park Ave
Tinley Park, IL 60477-3917
Registry dates
- Enumerated
- 2012-10-16
- Last updated
- 2012-10-16
Frequently asked questions
- What is John O'Brien DDS's NPI number?
- John O'Brien DDS's National Provider Identifier (NPI) is 1598018590, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is John O'Brien DDS?
- John O'Brien DDS is classified in the NPPES registry as Dentist (Dental Providers).
- Where is John O'Brien DDS located?
- John O'Brien DDS's practice location on file with NPPES is 17726 Oak Park Ave, Tinley Park, IL 60477-3917.
- What is John O'Brien DDS's phone number?
- The practice phone number listed in the NPPES registry for John O'Brien DDS is (708) 429-4700.
- Who is the authorized official for John O'Brien DDS?
- The authorized official listed on John O'Brien DDS's NPPES record is John O'Brien, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is John O'Brien DDS's NPI active?
- Yes — John O'Brien DDS's NPI (1598018590) is active in the NPPES registry as of the last update on 2012-10-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.