NPPES file of Aug 9, 2026

Merrill N. Workhoven, MD

Anesthesiology Physician · Coos Bay, OR

Merrill N. Workhoven, MD is an anesthesiology physician with a practice address in Coos Bay, Oregon, and NPI 1821041369, issued on May 18, 2006. Check the license (Oregon MD08982, as entered in NPPES) on the Oregon Medical Board; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1821041369
Name
Merrill N. Workhoven
Credential
MD
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
MD08982 OR
Self-reported in NPPES; status is on the state search
Practice location
1775 Thompson RD, Coos Bay, OR 97420
Phone
(541) 269-8020
Enumerated
May 18, 2006
Record last updated
Jul 13, 2026
Medicaid ID
238568 OR
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 969 in Oregon → Look up another NPI →

Also registered at 1775 Thompson RD

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

  1. Angelica Allen, MDInternal Medicine Physician1851972483
  2. Regina Ardiana, FNPCFamily Nurse Practitioner1043359094
  3. William Aurich, DOEmergency Medicine Physician1427184779
  4. Charles Axelton, R.PH.Pharmacist1760476972
  5. Martha Biersner, RD LD MSRegistered Dietitian1871684480
  6. Thomas Blodgett, PHARMDPharmacotherapy Pharmacist1952406803

Verify Merrill N. Workhoven in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD08982    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 Oregon license search

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Merrill N. Workhoven among 969 anesthesiology physician records in Oregon

Merrill N. Workhoven, MD is one of 969 anesthesiology physician records with a practice address in Oregon. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 52% newer
  • In a Medicare fileNo · 68% of these records are
  • In the CMS Doctors and Clinicians fileNo · 65% of these records are
  • Record last updated2026 · 64% 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 Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Anesthesiology Physician providers in Oregon

There are 969 anesthesiology physician records in Oregon. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 969 in Oregon → Every provider in Coos Bay → Anesthesiology Physician nationwide →

The 8 anesthesiology physician records with the nearest ZIP codes

  1. David Frey, D.O.Coos Bay, OR 974201639445067
  2. Betsy Soifer, MD,PHDCoos Bay, OR 974201770536708
  3. Thomas Brand, D.O.Brookings, OR 974151780640243
  4. John Hargrove, M.D.Eugene, OR 974051144211723
  5. Laura Hartman, M.D.Eugene, OR 974051063403830
  6. Susan Palmer, MDEugene, OR 974041073527438
  7. David Beardsworth, MDEugene, OR 974031679508147
  8. Judith Brown, M.D.Eugene, OR 974011699766139

Common questions

What is Merrill N. Workhoven, MD's NPI number?

Merrill N. Workhoven, MD's National Provider Identifier (NPI) is 1821041369, issued on May 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Merrill N. Workhoven, MD located?

The NPPES record lists a practice address at 1775 Thompson RD, Coos Bay, OR, 97420. Phone: (541) 269-8020. Providers update this record themselves, so call before visiting.

How can I verify Merrill N. Workhoven, MD's license?

NPPES lists Oregon license number MD08982, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. 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. 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.