Jaclynn Clasen, MD
NPI 1275508731 · Obstetrics & Gynecology Physician · Glen Ellyn, IL
Jaclynn Clasen, MD is a Obstetrics & Gynecology Physician provider in Glen Ellyn, IL (NPI 1275508731).
Provider details
- NPI number
- 1275508731
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 036069679 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
Registry dates
- Enumerated
- 2006-02-20
- Last updated
- 2018-05-07
Frequently asked questions
- What is Jaclynn Clasen's NPI number?
- Jaclynn Clasen's National Provider Identifier (NPI) is 1275508731, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jaclynn Clasen's specialty?
- Jaclynn Clasen is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Jaclynn Clasen located?
- Jaclynn Clasen's practice location on file with NPPES is 430 Pennsylvania Ave, Glen Ellyn, IL 60137-4464.
- What is Jaclynn Clasen's phone number?
- The practice phone number listed in the NPPES registry for Jaclynn Clasen is (630) 469-9200.
- Is Jaclynn Clasen's NPI active?
- Yes — Jaclynn Clasen's NPI (1275508731) is active in the NPPES registry as of the last update on 2018-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.