NPPES file of Aug 9, 2026

Katrina R. Barnes, MD

Family Medicine Physician · Marietta, OH

Katrina R. Barnes, MD is a family medicine physician with a practice address in Marietta, Ohio, and NPI 1003034281, issued on Apr 23, 2007. Check the license (Ohio 35120427, as entered in NPPES) on the State Medical Board of Ohio; 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
1003034281
Name
Katrina R. Barnes
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
35120427 OH
22598 WV
Self-reported in NPPES; status is on the state search
Practice location
300 E 8TH St Ste 120, Marietta, OH 45750
Phone
(740) 374-4273
Enumerated
Apr 23, 2007
Record last updated
Mar 3, 2026
Fax
(740) 376-5098
Medicare enrollment
Enrolled (PECOS I20130123000346); accepts Medicare assignment
Medical or professional school
West Virginia University School Of Medicine, 2005
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 300 E 8TH St Ste 120

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Peter Agaba, MDFamily Medicine Physician1851952592
  2. Michael Brockett, MDFamily Medicine Physician1366419343
  3. Abby Hayes, DOFamily Medicine Physician1881125680
  4. Kathleen Long, NPNurse Practitioner1538139068
  5. Tobie NewberryNurse Practitioner1598908121
  6. Holly Young, MSN FNP-BCFamily Nurse Practitioner1952006553

Verify Katrina R. Barnes in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersState Medical Board of Ohio
    Search for license 35120427
    Check 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
Open the Ohio license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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95% fewer Medicare Part D claims than the average family medicine physician in 2024

182 Medicare Part D claims for 19 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Katrina Barnes182
  2. Specialty average3,544

Most prescribed

  1. Rosuvastatin Calcium18 claims
  2. Amlodipine Besylate17 claims
  3. Finasteride14 claims
  4. Tamsulosin Hcl14 claims
  5. Losartan Potassium11 claims
  6. Pantoprazole Sodium11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

One hospital affiliation

  1. Marietta Memorial HospitalMarietta, OH · Acute Care Hospitals3 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Katrina R. Barnes among 5,606 family medicine physician records in Ohio

Katrina R. Barnes, MD is one of 5,606 family medicine physician records with a practice address in Ohio. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 52% of them.

  • NPI issued2007 · 52% of these records are older, 40% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2005 · median 2005 among the 3,510 with a school on file
  • Record last updated2026 · 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 207Q00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

29 family medicine physician records list a practice address in Marietta

They are 29 of the 1,141 NPPES records with a practice address in Marietta, and 5,606 family medicine physician records in Ohio.

The 8 family medicine physician records with the nearest ZIP codes

  1. Cynthia Brock, DOMarietta, OH 457501508861899
  2. Michael Brockett, MDMarietta, OH 457501366419343
  3. Roxanne Cech, M.D.Marietta, OH 457501497830566
  4. Joy Chesnut, MDMarietta, OH 457501194793885
  5. Richard Clark, MDMarietta, OH 457501053316364
  6. Eric Hunkele, M.D.Marietta, OH 457501033186044
  7. Kenneth Leopold, MDMarietta, OH 457501871561472
  8. Amado Maijub, M.D., PHDMarietta, OH 457501902854748

Common questions

What is Katrina R. Barnes, MD's NPI number?

Katrina R. Barnes, MD's National Provider Identifier (NPI) is 1003034281, issued on Apr 23, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Katrina R. Barnes, MD located?

The NPPES record lists a practice address at 300 E 8TH St Ste 120, Marietta, OH, 45750. Phone: (740) 374-4273. Providers update this record themselves, so call before visiting.

How can I verify Katrina R. Barnes, MD's license?

NPPES lists Ohio license number 35120427, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Katrina R. Barnes, MD prescribe under Medicare Part D?

In 2024, Katrina R. Barnes, MD had 182 Medicare Part D claims for 19 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions 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.

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.