Greg Papiez, M.D.
NPI 1821254681 · Internal Medicine Physician · Chicago, IL
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Greg Papiez, M.D. is a Internal Medicine Physician provider in Chicago, IL (NPI 1821254681).
Provider details
- NPI number
- 1821254681
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036-127464 (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
17 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
- 2008-07-31
- Last updated
- 2021-04-28
- Certified
- 2021-04-28
Frequently asked questions
- What is Greg Papiez's NPI number?
- Greg Papiez's National Provider Identifier (NPI) is 1821254681, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Greg Papiez's specialty?
- Greg Papiez is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Greg Papiez located?
- Greg Papiez's practice location on file with NPPES is 1650 W Harrison St, Chicago, IL 60612-3800.
- What is Greg Papiez's phone number?
- The practice phone number listed in the NPPES registry for Greg Papiez is (312) 942-5000.
- Does Greg Papiez accept Medicare?
- Greg Papiez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Greg Papiez's NPI active?
- Yes — Greg Papiez's NPI (1821254681) is active in the NPPES registry as of the last update on 2021-04-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.