Karen Barnhart, CNP
NPI 1356724918 · Adult Health Nurse Practitioner · Columbus, OH
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Barnhart, CNP is a Adult Health Nurse Practitioner provider in Columbus, OH (NPI 1356724918).
Provider details
- NPI number
- 1356724918
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CNP
- Sex
- Female
- Sole proprietor
- No
- License
- APRN.CNP.17846 (OH)
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 tenure33% of score
10 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 120 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 292 | 77 |
| Gabapentin | 274 | 49 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 270 | 58 |
| Lisinopril | 160 | 40 |
| Levothyroxine Sodium | 154 | 31 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 142 | 19 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$419 across 4 records (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
Additional practice locations (1)
- 1160 W Broad StColumbus, OH 43222Phone: (614) 274-1455Fax: (614) 564-9821
Registry dates
- Enumerated
- 2015-07-01
- Last updated
- 2025-04-11
- Certified
- 2025-04-11
Frequently asked questions
- What is Karen Barnhart's NPI number?
- Karen Barnhart's National Provider Identifier (NPI) is 1356724918, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Barnhart's specialty?
- Karen Barnhart is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karen Barnhart located?
- Karen Barnhart's practice location on file with NPPES is 543 Taylor Ave Fl 2, Columbus, OH 43203-1278.
- What is Karen Barnhart's phone number?
- The practice phone number listed in the NPPES registry for Karen Barnhart is (614) 685-3333.
- Does Karen Barnhart accept Medicare?
- Karen Barnhart is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Barnhart's NPI active?
- Yes — Karen Barnhart's NPI (1356724918) is active in the NPPES registry as of the last update on 2025-04-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.