Hisham Greiss, MD, PHD
NPI 1437413978 · Medical Technologist · Downers Grove, IL
Hisham Greiss, MD, PHD is a Medical Technologist provider in Downers Grove, IL (NPI 1437413978).
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
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
- 2012-06-29
- Last updated
- 2012-06-29
Frequently asked questions
- What is Hisham Greiss's NPI number?
- Hisham Greiss's National Provider Identifier (NPI) is 1437413978, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hisham Greiss's specialty?
- Hisham Greiss is listed in the NPPES registry with a primary specialty of Medical Technologist (Technologists, Technicians & Other Technical Service Providers).
- Where is Hisham Greiss located?
- Hisham Greiss's practice location on file with NPPES is 8635 Lemont Rd, Downers Grove, IL 60516-4805.
- What is Hisham Greiss's phone number?
- The practice phone number listed in the NPPES registry for Hisham Greiss is (630) 427-0300.
- Is Hisham Greiss's NPI active?
- Yes — Hisham Greiss's NPI (1437413978) is active in the NPPES registry as of the last update on 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.