NPPES file of Aug 9, 2026

Timothy Oneill, DO

Anesthesiology Physician · Muskegon, MI

Timothy Oneill, DO is an anesthesiology physician with a practice address in Muskegon, Michigan, and NPI 1912996620, issued on Oct 14, 2005. Check the license (Michigan TO010883, as entered in NPPES) on the Michigan Board of Medicine (LARA); 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
1912996620
Name
Timothy Oneill
Credential
DO
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
TO010883 MI
Self-reported in NPPES; status is on the state search
Practice location
1700 Clinton St, Muskegon, MI 49442
Phone
(231) 726-3511
Enumerated
Oct 14, 2005
Record last updated
Feb 29, 2012 (not updated in 14 years: call before relying on the address or phone)
Medicaid ID
1578703252 MI
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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8 nearest anesthesiology physician records → All 1,720 in Michigan → Look up another NPI →

Also registered at 1700 Clinton St

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

  1. Eric Applebach, MDEmergency Medicine Physician1205465143
  2. Nancy Arbuckle -Hinks, LPCProfessional Counselor1982702817
  3. Trevor Armstrong, DOEmergency Medicine Physician1770004848
  4. Evan BevoldenMedical Physician Assistant1093066870
  5. Jay Biessel, DOEmergency Medicine Physician1235510843
  6. James Bos, M.D.Diagnostic Radiology Physician1700878584

Verify Timothy Oneill in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license TO010883    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 Michigan 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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Industry payments in 2024: $20.97

1 payment: food and beverage; the largest payer was Novo Nordisk Inc. The 17,774 providers of this specialty with any payment received $669.59 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Timothy Oneill$20.97
  2. Specialty average$669.59

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

Timothy Oneill among 1,720 anesthesiology physician records in Michigan

Timothy Oneill, DO is one of 1,720 anesthesiology physician records with a practice address in Michigan. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 97% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileNo · 65% of these records are
  • Record last updated2012 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

33 anesthesiology physician records list a practice address in Muskegon

They are 33 of the 2,646 NPPES records with a practice address in Muskegon, and 1,720 anesthesiology physician records in Michigan.

All 1,720 in Michigan → Every provider in Muskegon → Anesthesiology Physician nationwide →

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Carsten Boysen, MDMuskegon, MI 494421407845258
  2. Joel Braman, M.D.Muskegon, MI 494421851528921
  3. Donald Brown, DOMuskegon, MI 494421912996760
  4. Mark Dunn, MDMuskegon, MI 494421932198785
  5. Steven Dunn, MDMuskegon, MI 494421003805607
  6. Wayne Fuller, MDMuskegon, MI 494421952390700
  7. Ray Kiefer, MDMuskegon, MI 494421255320008
  8. John Lagorio, MDMuskegon, MI 494421881683555

Common questions

What is Timothy Oneill, DO's NPI number?

Timothy Oneill, DO's National Provider Identifier (NPI) is 1912996620, issued on Oct 14, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Timothy Oneill, DO located?

The NPPES record lists a practice address at 1700 Clinton St, Muskegon, MI, 49442. Phone: (231) 726-3511. Providers update this record themselves, so call before visiting.

How can I verify Timothy Oneill, DO's license?

NPPES lists Michigan license number TO010883, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.