Nathan Zitko, APRN, NNP-BC
NPI 1144923343 · Neonatal Nurse Practitioner · Chicago, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathan Zitko, APRN, NNP-BC is a Neonatal Nurse Practitioner provider in Chicago, IL (NPI 1144923343).
Provider details
- NPI number
- 1144923343
- Entity type
- Individual
- Primary specialty
- Neonatal Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN, NNP-BC
- Sex
- Male
- Sole proprietor
- No
- License
- 209026988 (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
3 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
- 2023-03-24
- Last updated
- 2026-04-07
- Certified
- 2026-04-07
Frequently asked questions
- What is Nathan Zitko's NPI number?
- Nathan Zitko's National Provider Identifier (NPI) is 1144923343, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathan Zitko's specialty?
- Nathan Zitko is listed in the NPPES registry with a primary specialty of Neonatal Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Nathan Zitko located?
- Nathan Zitko's practice location on file with NPPES is 1620 W Harrison St, Chicago, IL 60612-3801.
- What is Nathan Zitko's phone number?
- The practice phone number listed in the NPPES registry for Nathan Zitko is (312) 942-5000.
- Does Nathan Zitko accept Medicare?
- Nathan Zitko is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathan Zitko's NPI active?
- Yes — Nathan Zitko's NPI (1144923343) is active in the NPPES registry as of the last update on 2026-04-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.