NPPES file of Aug 9, 2026

Karen Mary Hahn, REGISTERED NURSE

Registered Nurse · Cincinnati, OH

Karen Mary Hahn, REGISTERED NURSE is a registered nurse with a practice address in Cincinnati, Ohio, and NPI 1740441856, issued on Jun 20, 2008. Check the license with the Ohio board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1740441856
Name
Karen Mary Hahn
Credential
REGISTERED NURSE
Primary taxonomy
Registered Nurse 163W00000X
License number
450779 CA
Self-reported in NPPES; status is on the state search
Practice location
3711 Washington Ave, Cincinnati, OH 45229
Phone
(513) 309-4306
Enumerated
Jun 20, 2008
Record last updated
Jun 20, 2008 (not updated in 18 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest registered nurse records → All 9,656 in Ohio → Look up another NPI →

Verify Karen Mary Hahn in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Ohio board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Ohio license search

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Industry payments in 2024: $93.96

1 payment: food and beverage; the largest payer was Zoll Services LLC (a/k/a Zoll LifeCor Corp). The 1,191 providers of this specialty with any payment received $505.98 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Karen Hahn$93.96
  2. Specialty average$505.98

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Karen Mary Hahn among 9,656 registered nurse records in Ohio

Karen Mary Hahn, REGISTERED NURSE is one of 9,656 registered nurse records with a practice address in Ohio. under 1% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 7% of them.

  • NPI issued2008 · 7% of these records are older, 90% newer
  • In a Medicare fileYes · under 1% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2008 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 163W00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

877 registered nurse records list a practice address in Cincinnati

They are 877 of the 31,362 NPPES records with a practice address in Cincinnati, and 9,656 registered nurse records in Ohio.

All 9,656 in Ohio → Every provider in Cincinnati → Registered Nurse nationwide →

The 8 registered nurse records with the nearest ZIP codes

  1. Jacquelyn Bartholomew, RN-BSNCincinnati, OH 452291124327291
  2. Roberta Blistan, RN, BSNCincinnati, OH 452291487953550
  3. Barbara Brown, RNCincinnati, OH 452291699074765
  4. Jill Buehler, R.N.Cincinnati, OH 452291962701037
  5. Susan Burton, R.N., BSNCincinnati, OH 452291225337397
  6. Mitsy Caruso, RN, BSNCincinnati, OH 452291760781835
  7. Jessie Cherry, RNCincinnati, OH 452291316187115
  8. Victoria Cooper, R.N.Cincinnati, OH 452291205135373

Common questions

What is Karen Mary Hahn, REGISTERED NURSE's NPI number?

Karen Mary Hahn, REGISTERED NURSE's National Provider Identifier (NPI) is 1740441856, issued on Jun 20, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Karen Mary Hahn, REGISTERED NURSE located?

The NPPES record lists a practice address at 3711 Washington Ave, Cincinnati, OH, 45229. Phone: (513) 309-4306. Providers update this record themselves, so call before visiting.

How can I verify Karen Mary Hahn, REGISTERED NURSE's license?

Search the Ohio board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.