IndividualActive
Hisham Greiss, MD, PHD
NPI 1437413978 · Medical Technologist · Downers Grove, IL
Provider details
- NPI number
- 1437413978
- Entity type
- Individual
- Primary specialty
- Medical TechnologistTechnologists, Technicians & Other Technical Service Providers
- Credential
- MD, PHD
- Sex
- Male
- Sole proprietor
- No
- License
- DI41357 (FL)
Specialties & taxonomies
Technologists, Technicians & Other Technical Service Providers
Other Service Providers
Profile Score
Detailed profile(79/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
8635 Lemont Rd
Downers Grove, IL 60516-4805
Phone: (630) 427-0300
Fax: (630) 427-0302
Approximate (ZIP-level) locationGet directions
Mailing address
8635 Lemont Rd
Downers Grove, IL 60516-4805
Registry dates
- Enumerated
- 2012-06-29
- Last updated
- 2012-06-29
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.