NPPES file of Aug 9, 2026

Katherine Irene Warner, DO

Vascular Surgery Physician · Lima, OH

Katherine Irene Warner, DO is a vascular surgery physician with a practice address in Lima, Ohio, and NPI 1003137506, issued on Jun 18, 2010. Check the license (Ohio 34C.000588, 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
1003137506
Name
Katherine Irene Warner
Credential
DO
Primary taxonomy
Vascular Surgery Physician 2086S0129X
License numbers
34C.000588 OH
011743 AZ
7459 KS
38854 NH
2893 TN
and 1 more
Self-reported in NPPES; status is on the state search
Practice location
830 W High St Ste 207, Lima, OH 45801
Phone
(419) 226-9182
Enumerated
Jun 18, 2010
Record last updated
Feb 25, 2026
Medicare enrollment
Enrolled (PECOS I20251212002978); accepts Medicare assignment
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.
Download card Updates feed

Also registered at 830 W High St Ste 207

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

  1. Mohammed Akbani, M.D.Vascular Surgery Physician1356675656
  2. Mirnal Chaudhary, MDVascular Surgery Physician1154687531
  3. Felecia Jinwala, MDVascular Surgery Physician1366884918
  4. Mario Matos-Cruz, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1588868616
  5. John Sirak, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1568418622
  6. Anthony Turner, MDVascular Surgery Physician1821529108

Verify Katherine Irene Warner 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 34C.000588
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

68% fewer Medicare Part D claims than the average vascular surgery physician in 2024

65 Medicare Part D claims for 17 beneficiaries, against an average of 201 among the 3,936 providers of this specialty who prescribed in Part D.

  1. Katherine Warner65
  2. Specialty average201

Most prescribed

  1. Clopidogrel26 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.

Industry payments in 2024: $25.43

1 payment: food and beverage; the largest payer was Abbott Laboratories. The 4,059 providers of this specialty with any payment received $6,178.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Katherine Warner$25.43
  2. Specialty average$6,178.00

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

Bills Medicare through 2 group practices

  1. Mercy Health Physicians Lima Specialty Care LLCLima, OH
  2. Wentworth Douglass Physician CorporationDover, NH

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Katherine Irene Warner among 241 vascular surgery physician records in Ohio

Katherine Irene Warner, DO is one of 241 vascular surgery physician records with a practice address in Ohio. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 67% of them.

  • NPI issued2010 · 67% of these records are older, 30% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2010 · median 2005 among the 167 with a school on file
  • Record last updated2026 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086S0129X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Vascular Surgery Physician providers in Ohio

There are 241 vascular surgery physician records in Ohio.

The 8 vascular surgery physician records with the nearest ZIP codes

  1. Mohammed Akbani, M.D.Lima, OH 458011356675656
  2. Mirnal Chaudhary, MDLima, OH 458011154687531
  3. Felecia Jinwala, MDLima, OH 458011366884918
  4. Gesnyr Ocean, MDLima, OH 458011326493453
  5. Anthony Turner, MDLima, OH 458011821529108
  6. Lane Lee, DOMarietta, OH 457501073600979
  7. Steven Rivers, MDMarietta, OH 457501801979992
  8. Joseph Herrmann, DOPortsmouth, OH 456621740504885

Common questions

What is Katherine Irene Warner, DO's NPI number?

Katherine Irene Warner, DO's National Provider Identifier (NPI) is 1003137506, issued on Jun 18, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Irene Warner, DO located?

The NPPES record lists a practice address at 830 W High St Ste 207, Lima, OH, 45801. Phone: (419) 226-9182. Providers update this record themselves, so call before visiting.

How can I verify Katherine Irene Warner, DO's license?

NPPES lists Ohio license number 34C.000588, 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 Katherine Irene Warner, DO prescribe under Medicare Part D?

In 2024, Katherine Irene Warner, DO had 65 Medicare Part D claims for 17 beneficiaries; the average among vascular surgery physician prescribers was 201. 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.