Cynthia Siergey, CNP
NPI 1104915255 · Adult Health Nurse Practitioner · Chicago, IL
Cynthia Siergey, CNP is a Adult Health Nurse Practitioner provider in Chicago, IL (NPI 1104915255).
Provider details
- NPI number
- 1104915255
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CNP
- Sex
- Female
- Sole proprietor
- No
- License
- 209-000114 (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
19 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
- 2006-10-12
- Last updated
- 2012-11-26
Frequently asked questions
- What is Cynthia Siergey's NPI number?
- Cynthia Siergey's National Provider Identifier (NPI) is 1104915255, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cynthia Siergey's specialty?
- Cynthia Siergey is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Cynthia Siergey located?
- Cynthia Siergey's practice location on file with NPPES is 1634 W Polk St, Chicago, IL 60612-4352.
- What is Cynthia Siergey's phone number?
- The practice phone number listed in the NPPES registry for Cynthia Siergey is (312) 423-4200.
- Is Cynthia Siergey's NPI active?
- Yes — Cynthia Siergey's NPI (1104915255) is active in the NPPES registry as of the last update on 2012-11-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.