Registry data as of Aug 27, 2026

Melissa Knarr, DO

Emergency Medicine Physician · Warren, OH

Melissa Knarr, DO is an emergency medicine physician with a practice address in Warren, Ohio, and NPI 1366427312, issued on Dec 13, 2005. Check the license 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
1366427312
Name
Melissa Knarr
Credential
DO
Primary taxonomy
Emergency Medicine Physician 207P00000X
Practice location
667 Eastland Avenue SE, Warren, OH 44484
Phone
(330) 841-4000
Enumerated
Dec 13, 2005
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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Verify Melissa Knarr in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersState Medical Board of OhioCheck 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.

69% fewer Medicare Part D claims than the average emergency medicine physician in 2024

109 Medicare Part D claims for 85 beneficiaries, against an average of 355 among the 49,029 providers of this specialty who prescribed in Part D. 16 claims were for opioids.

  1. Melissa Knarr109
  2. Specialty average355

Most prescribed

  1. Prednisone17 claims
  2. Hydrocodone-Acetaminophen16 claims
  3. Cephalexin14 claims
  4. Ondansetron Odt11 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.

28 emergency medicine physician records list a Warren practice address

They are 28 of the 2,090 NPPES records with a Warren practice address, and 2,663 emergency medicine physician records in Ohio.

Other emergency medicine physician records in Ohio

  1. Alexandra Abangan, MDSpringfield, OH1508121641
  2. Brian Abbott, MDColumbus, OH1841591757
  3. Abdalla Abdalla, MDLima, OH1952046682
  4. Ali Abdallah, DOCanton, OH1134749997
  5. Anthony Abdullah, M.D.Hamilton, OH1457319386
  6. Mikhael Abourjeily, D.O.Mentor, OH1982689758
  7. Michael Abrahams, M.D.Logan, OH1487098463
  8. Arun Acharekar, MDMansfield, OH1659411544
  9. Kevin Ackley, MDCincinnati, OH1952340903
  10. Kirstin Acus, MDColumbus, OH1548823669

Common questions

What is Melissa Knarr, DO's NPI number?

Melissa Knarr, DO's National Provider Identifier (NPI) is 1366427312, issued on Dec 13, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Melissa Knarr, DO located?

The NPPES record lists a practice address at 667 Eastland Avenue SE, Warren, OH, 44484. Phone: (330) 841-4000. Providers update this record themselves, so call before visiting.

How can I verify Melissa Knarr, DO's license?

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 Melissa Knarr, DO prescribe under Medicare Part D?

In 2024, Melissa Knarr, DO had 109 Medicare Part D claims for 85 beneficiaries; the average among emergency medicine physician prescribers was 355. 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.