Catherine Gruenwald, APRN, CRNA
NPI 1649134578 · Certified Registered Nurse Anesthetist · Chicago, IL
Catherine Gruenwald, APRN, CRNA is a Certified Registered Nurse Anesthetist provider in Chicago, IL (NPI 1649134578).
Provider details
- NPI number
- 1649134578
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN, CRNA
- Sex
- Female
- Sole proprietor
- Yes
- License
- 209034478 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
- 2025-12-15
- Last updated
- 2026-05-15
- Certified
- 2026-05-15
Frequently asked questions
- What is Catherine Gruenwald's NPI number?
- Catherine Gruenwald's National Provider Identifier (NPI) is 1649134578, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Gruenwald's specialty?
- Catherine Gruenwald is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Catherine Gruenwald located?
- Catherine Gruenwald's practice location on file with NPPES is 5841 S Maryland Ave, Chicago, IL 60637-1443.
- What is Catherine Gruenwald's phone number?
- The practice phone number listed in the NPPES registry for Catherine Gruenwald is (888) 824-0200.
- Is Catherine Gruenwald's NPI active?
- Yes — Catherine Gruenwald's NPI (1649134578) is active in the NPPES registry as of the last update on 2026-05-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.