Gregory Doerfler, D.D.S.
NPI 1225114085 · Oral and Maxillofacial Pathology Dentistry · Glen Ellyn, IL
Gregory Doerfler, D.D.S. is a Oral and Maxillofacial Pathology Dentistry provider in Glen Ellyn, IL (NPI 1225114085).
Provider details
- NPI number
- 1225114085
- Entity type
- Individual
- Primary specialty
- Oral and Maxillofacial Pathology DentistryDental Providers
- Credential
- D.D.S.
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Dental Providers
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-10-27
- Last updated
- 2007-07-08
Frequently asked questions
- What is Gregory Doerfler's NPI number?
- Gregory Doerfler's National Provider Identifier (NPI) is 1225114085, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Doerfler's specialty?
- Gregory Doerfler is listed in the NPPES registry with a primary specialty of Oral and Maxillofacial Pathology Dentistry (Dental Providers).
- Where is Gregory Doerfler located?
- Gregory Doerfler's practice location on file with NPPES is 493 Duane St, Glen Ellyn, IL 60137-4501.
- What is Gregory Doerfler's phone number?
- The practice phone number listed in the NPPES registry for Gregory Doerfler is (630) 858-5755.
- Is Gregory Doerfler's NPI active?
- Yes — Gregory Doerfler's NPI (1225114085) 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.