NPPES file of Aug 9, 2026

William R. Henwood, D.O.

Surgery Physician · Warren, OH

William R. Henwood, D.O. is a surgery physician with a practice address in Warren, Ohio, and NPI 1811970338, issued on Nov 29, 2005. Check the license (Ohio 34-004295, 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
1811970338
Name
William R. Henwood
Credential
D.O.
Primary taxonomy
Surgery Physician 208600000X
License numbers
34-004295 OH
OS003720L PA
Self-reported in NPPES; status is on the state search
Practice location
1353 E Market St, Warren, OH 44483
Phone
(330) 841-9590
Enumerated
Nov 29, 2005
Record last updated
Jun 11, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(330) 841-1122
Medicaid ID
000795719 PA
Medicare enrollment
Enrolled (PECOS I20100224000303); accepts Medicare assignment
Medical or professional school
Philadelphia College Of Osteopathic Medicine, 1976
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 1353 E Market St

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

  1. Carla Gibson, RN,BSNRegistered Nurse1831413996
  2. Kevin Kelley, M.D., PHDRadiation Oncology Physician1558627539

Verify William R. Henwood 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 34-004295
    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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93% fewer Medicare Part D claims than the average surgery physician in 2024

11 Medicare Part D claims, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D.

  1. William Henwood11
  2. Specialty average147

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: $25.00

1 payment: food and beverage; the largest payer was Smith+Nephew, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Henwood$25.00
  2. Specialty average$3,513.80

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

Bills Medicare through one group practice

  1. Upmc Community Medicine IncPittsburgh, PA

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

Surgery Physician providers in Ohio

There are 1,249 surgery physician records in Ohio.

Other surgery physician records in Ohio

  1. Hassan-James AbbasToledo, OH1891317947
  2. Mujjahid Abbas, MDCleveland, OH1861632994
  3. Rashid Abdu, MDYoungstown, OH1528166501
  4. Mohammed Abdulkarim, MDKenton, OH1811927056
  5. Rami Abraham, M.D.Steubenville, OH1396066569
  6. Alicia AdamsCleveland, OH1578925616
  7. Stenneth Adams, M.D.Bryan, OH1982642146
  8. Heather Adkins, MDMiddletown, OH1952628778
  9. Ellyn Adley, CSAToledo, OH1700399219
  10. Sakib AdnanCleveland, OH1235799537

Common questions

What is William R. Henwood, D.O.'s NPI number?

William R. Henwood, D.O.'s National Provider Identifier (NPI) is 1811970338, issued on Nov 29, 2005. An NPI identifies a provider in billing; it is not a license.

Where is William R. Henwood, D.O. located?

The NPPES record lists a practice address at 1353 E Market St, Warren, OH, 44483. Phone: (330) 841-9590. Providers update this record themselves, so call before visiting.

How can I verify William R. Henwood, D.O.'s license?

NPPES lists Ohio license number 34-004295, 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 William R. Henwood, D.O. prescribe under Medicare Part D?

In 2024, William R. Henwood, D.O. had 11 Medicare Part D claims; the average among surgery physician prescribers was 147. 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.