Mary Pasciak, MD
NPI 1427127505 · Internal Medicine Physician · Elmhurst, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Pasciak, MD is a Internal Medicine Physician provider in Elmhurst, IL (NPI 1427127505).
Provider details
- NPI number
- 1427127505
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 036066600 (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
19 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
- 2006-11-06
- Last updated
- 2016-03-17
Frequently asked questions
- What is Mary Pasciak's NPI number?
- Mary Pasciak's National Provider Identifier (NPI) is 1427127505, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Pasciak's specialty?
- Mary Pasciak is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Pasciak located?
- Mary Pasciak's practice location on file with NPPES is 133 E Brush Hill Rd, Elmhurst, IL 60126-5659.
- What is Mary Pasciak's phone number?
- The practice phone number listed in the NPPES registry for Mary Pasciak is (331) 221-9605.
- Does Mary Pasciak accept Medicare?
- Mary Pasciak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Pasciak's NPI active?
- Yes — Mary Pasciak's NPI (1427127505) is active in the NPPES registry as of the last update on 2016-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.