IndividualActive
John Frenzel
NPI 1497823009 · Dentist · Lombard, IL
John Frenzel is a Dentist provider in Lombard, IL (NPI 1497823009).
Provider details
- NPI number
- 1497823009
- Entity type
- Individual
- Primary specialty
- DentistDental Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Dental Providers
Profile Score
Detailed profile(84/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
83% 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
2 E 22nd St
Lombard, IL 60148
Phone: (630) 627-4680
Street-level locationGet directions
Mailing address
462 Bryant Ave
Glen Ellyn, IL 60137
Registry dates
- Enumerated
- 2006-12-01
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Frenzel's NPI number?
- John Frenzel's National Provider Identifier (NPI) is 1497823009, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Frenzel's specialty?
- John Frenzel is listed in the NPPES registry with a primary specialty of Dentist (Dental Providers).
- Where is John Frenzel located?
- John Frenzel's practice location on file with NPPES is 2 E 22nd St, Lombard, IL 60148.
- What is John Frenzel's phone number?
- The practice phone number listed in the NPPES registry for John Frenzel is (630) 627-4680.
- Is John Frenzel's NPI active?
- Yes — John Frenzel's NPI (1497823009) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.