Registry data as of Aug 27, 2026

Katrina Barnes, MD

Family Medicine Physician · Marietta, OH

Katrina 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, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1003034281
Name
Katrina 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
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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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, NPGerontology Nurse Practitioner1538139068
  5. Tobie NewberryNurse Practitioner1598908121
  6. Holly Young, MSN FNP-BCFamily Nurse Practitioner1952006553

Verify Katrina 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.

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 3,519 among the 111,126 providers of this specialty who prescribed in Part D.

  1. Katrina Barnes182
  2. Specialty average3,519

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 or facility affiliation

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

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

25 family medicine physician records list a Marietta practice address

They are 25 of the 1,141 NPPES records with a Marietta practice address, and 5,361 family medicine physician records in Ohio.

Other family medicine physician records in Ohio

  1. John Philamer Abad, M.D.Westerville, OH1356376800
  2. Katarina Abadie, M.D.Solon, OH1760917447
  3. Heeran Abawi, M.D.Fairfield, OH1932337649
  4. Zena Abd-AlahadToledo, OH1659878239
  5. Ghassan Abdallah, M.D.Middleburg Heights, OH1265531859
  6. Karyn Abdallah, M.D.Middleburg Heights, OH1477652816
  7. Mohamed Abdo, DODelaware, OH1083293229
  8. Neelab Abdullah, MDCleveland, OH1538806922
  9. Johnny Abi-Rached, DOVermilion, OH1548902018
  10. Katherine Able-Perkins, D.O.Athens, OH1174751143

Common questions

What is Katrina Barnes, MD's NPI number?

Katrina 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 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 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 Barnes, MD prescribe under Medicare Part D?

In 2024, Katrina Barnes, MD had 182 Medicare Part D claims for 19 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.