Karin Tiernan
NPI 1730408311 · Pediatric Nurse Practitioner · Chicago, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karin Tiernan is a Pediatric Nurse Practitioner provider in Chicago, IL (NPI 1730408311).
Provider details
- NPI number
- 1730408311
- Entity type
- Individual
- Primary specialty
- Pediatric Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 209008141 (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
16 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
- 2010-05-21
- Last updated
- 2022-10-24
Frequently asked questions
- What is Karin Tiernan's NPI number?
- Karin Tiernan's National Provider Identifier (NPI) is 1730408311, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karin Tiernan's specialty?
- Karin Tiernan is listed in the NPPES registry with a primary specialty of Pediatric Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karin Tiernan located?
- Karin Tiernan's practice location on file with NPPES is 5841 S Maryland Ave, Chicago, IL 60637-1443.
- What is Karin Tiernan's phone number?
- The practice phone number listed in the NPPES registry for Karin Tiernan is (888) 824-0200.
- Does Karin Tiernan accept Medicare?
- Karin Tiernan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karin Tiernan's NPI active?
- Yes — Karin Tiernan's NPI (1730408311) is active in the NPPES registry as of the last update on 2022-10-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.