Ellen Gao, APN-CNP
NPI 1619522802 · Nurse Practitioner · Evanston, IL
Ellen Gao, APN-CNP is a Nurse Practitioner provider in Evanston, IL (NPI 1619522802).
Provider details
- NPI number
- 1619522802
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APN-CNP
- Sex
- Female
- Sole proprietor
- No
- License
- 209019665 (IL)
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
7 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 25 Lincoln Cir WAndover, MA 01810-2906Phone: (978) 807-2611
Registry dates
- Enumerated
- 2019-08-05
- Last updated
- 2019-11-11
Frequently asked questions
- What is Ellen Gao's NPI number?
- Ellen Gao's National Provider Identifier (NPI) is 1619522802, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ellen Gao's specialty?
- Ellen Gao is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Ellen Gao located?
- Ellen Gao's practice location on file with NPPES is 2650 Ridge Ave, Evanston, IL 60201.
- What is Ellen Gao's phone number?
- The practice phone number listed in the NPPES registry for Ellen Gao is (847) 425-6400.
- Is Ellen Gao's NPI active?
- Yes — Ellen Gao's NPI (1619522802) is active in the NPPES registry as of the last update on 2019-11-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.