Michelle Fennessy, CNS, APN
NPI 1265650139 · Adult Health Clinical Nurse Specialist · Chicago, IL
Michelle Fennessy, CNS, APN is a Adult Health Clinical Nurse Specialist provider in Chicago, IL (NPI 1265650139).
Provider details
- NPI number
- 1265650139
- Entity type
- Individual
- Primary specialty
- Adult Health Clinical Nurse SpecialistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CNS, APN
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2007-04-23
- Last updated
- 2007-07-08
Frequently asked questions
- What is Michelle Fennessy's NPI number?
- Michelle Fennessy's National Provider Identifier (NPI) is 1265650139, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michelle Fennessy's specialty?
- Michelle Fennessy is listed in the NPPES registry with a primary specialty of Adult Health Clinical Nurse Specialist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Michelle Fennessy located?
- Michelle Fennessy's practice location on file with NPPES is 5841 S Maryland Ave, Chicago, IL 60637-1447.
- What is Michelle Fennessy's phone number?
- The practice phone number listed in the NPPES registry for Michelle Fennessy is (312) 972-2200.
- Is Michelle Fennessy's NPI active?
- Yes — Michelle Fennessy's NPI (1265650139) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.