Gregory Laurenzana, RN
NPI 1598607640 · Critical Care Medicine Registered Nurse · Olympia Fields, IL
Gregory Laurenzana, RN is a Critical Care Medicine Registered Nurse provider in Olympia Fields, IL (NPI 1598607640).
Provider details
- NPI number
- 1598607640
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine Registered NurseNursing Service Providers
- Credential
- RN
- Sex
- Male
- Sole proprietor
- No
- License
- 041465332 (IL)
Specialties & taxonomies
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
- 2026-04-08
- Last updated
- 2026-04-08
- Certified
- 2026-04-08
Frequently asked questions
- What is Gregory Laurenzana's NPI number?
- Gregory Laurenzana's National Provider Identifier (NPI) is 1598607640, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Laurenzana's specialty?
- Gregory Laurenzana is listed in the NPPES registry with a primary specialty of Critical Care Medicine Registered Nurse (Nursing Service Providers).
- Where is Gregory Laurenzana located?
- Gregory Laurenzana's practice location on file with NPPES is 20201 Crawford Ave, Olympia Fields, IL 60461-1010.
- What is Gregory Laurenzana's phone number?
- The practice phone number listed in the NPPES registry for Gregory Laurenzana is (708) 852-2700.
- Is Gregory Laurenzana's NPI active?
- Yes — Gregory Laurenzana's NPI (1598607640) is active in the NPPES registry as of the last update on 2026-04-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.