Karen Hahn, REGISTERED NURSE
NPI 1740441856 · Registered Nurse · Cincinnati, OH
Karen Hahn, REGISTERED NURSE is a Registered Nurse provider in Cincinnati, OH (NPI 1740441856).
Provider details
- NPI number
- 1740441856
- Entity type
- Individual
- Primary specialty
- Registered NurseNursing Service Providers
- Credential
- REGISTERED NURSE
- Sex
- Female
- Sole proprietor
- Yes
- License
- 450779 (CA)
Specialties & taxonomies
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
18 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$94 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-06-20
- Last updated
- 2008-06-20
Frequently asked questions
- What is Karen Hahn's NPI number?
- Karen Hahn's National Provider Identifier (NPI) is 1740441856, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Hahn's specialty?
- Karen Hahn is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).
- Where is Karen Hahn located?
- Karen Hahn's practice location on file with NPPES is 3711 Washington Ave, Cincinnati, OH 45229-2017.
- What is Karen Hahn's phone number?
- The practice phone number listed in the NPPES registry for Karen Hahn is (513) 309-4306.
- Is Karen Hahn's NPI active?
- Yes — Karen Hahn's NPI (1740441856) is active in the NPPES registry as of the last update on 2008-06-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.