Margaret Pfister, MD
NPI 1518909779 · Obstetrics & Gynecology Physician · Hinsdale, IL
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Pfister, MD is a Obstetrics & Gynecology Physician provider in Hinsdale, IL (NPI 1518909779).
Provider details
- NPI number
- 1518909779
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 036058934 (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
- 2006-06-12
- Last updated
- 2011-11-30
Frequently asked questions
- What is Margaret Pfister's NPI number?
- Margaret Pfister's National Provider Identifier (NPI) is 1518909779, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Pfister's specialty?
- Margaret Pfister is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Margaret Pfister located?
- Margaret Pfister's practice location on file with NPPES is 911 N Elm St, Hinsdale, IL 60521-3634.
- What is Margaret Pfister's phone number?
- The practice phone number listed in the NPPES registry for Margaret Pfister is (630) 734-2634.
- Does Margaret Pfister accept Medicare?
- Margaret Pfister is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Pfister's NPI active?
- Yes — Margaret Pfister's NPI (1518909779) is active in the NPPES registry as of the last update on 2011-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.