Irene Marks, APN
NPI 1235251703 · Women's Health Nurse Practitioner · Chicago, IL
Irene Marks, APN is a Women's Health Nurse Practitioner provider in Chicago, IL (NPI 1235251703).
Provider details
- NPI number
- 1235251703
- Entity type
- Individual
- Primary specialty
- Women's Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APN
- Sex
- Female
- Sole proprietor
- No
- License
- 209004377 (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
- 2007-04-04
- Last updated
- 2021-04-27
- Certified
- 2021-04-27
Frequently asked questions
- What is Irene Marks's NPI number?
- Irene Marks's National Provider Identifier (NPI) is 1235251703, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Irene Marks's specialty?
- Irene Marks is listed in the NPPES registry with a primary specialty of Women's Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Irene Marks located?
- Irene Marks's practice location on file with NPPES is 1901 W Harrison St, Chicago, IL 60612-3714.
- What is Irene Marks's phone number?
- The practice phone number listed in the NPPES registry for Irene Marks is (312) 864-0854.
- Is Irene Marks's NPI active?
- Yes — Irene Marks's NPI (1235251703) is active in the NPPES registry as of the last update on 2021-04-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.