NPPES file of Aug 9, 2026

Sarah Michelle Wonn, M.D.

Surgery Physician · Klamath Falls, OR

Sarah Michelle Wonn, M.D. is a surgery physician with a practice address in Klamath Falls, Oregon, and NPI 1861854754, issued on Mar 22, 2016. Check the license (Oregon MD210444, as entered in NPPES) on the Oregon Medical Board; 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
1861854754
Name
Sarah Michelle Wonn
Credential
M.D.
Primary taxonomy
Surgery Physician 208600000X
License number
MD210444 OR
Self-reported in NPPES; status is on the state search
Practice location
2821 Daggett Ave Ste 303, Klamath Falls, OR 97601
Phone
(541) 274-8960
Enumerated
Mar 22, 2016
Record last updated
Oct 11, 2022
Fax
(541) 274-8933
Medicare enrollment
Enrolled (PECOS I20221025001521); accepts Medicare assignment
Medical or professional school
Medical College Of Georgia School Of Medicine, 2016
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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Verify Sarah Michelle Wonn in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD210444    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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20% fewer Medicare Part D claims than the average surgery physician in 2024

117 Medicare Part D claims for 79 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 32 claims were for opioids.

  1. Sarah Wonn117
  2. Specialty average147

Most prescribed

  1. Oxycodone Hcl27 claims
  2. Peg 3350-Electrolyte17 claims
  3. Sod Sulf-Potass Sulf-Mag Sulf11 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.

Bills Medicare through one group practice

  1. Sky Lakes Medical Center IncKlamath Falls, OR

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

Surgery Physician providers in Oregon

There are 524 surgery physician records in Oregon.

All 524 in Oregon → Every provider in Klamath Falls →

Other surgery physician records in Oregon

  1. Pedro Abdala, MDStayton, OR1700415932
  2. Shaan Akhtar, M.D.Redmond, OR1790165876
  3. Shaghayegh Aliabadi, M.D.Portland, OR1083785562
  4. Julianne Allen, MDMedford, OR1467816363
  5. Carrie Allison, MDSalem, OR1548487184
  6. Steffan Anderson, M.D., PH.D.Florence, OR1336292549
  7. Taylor Anderson, MDPortland, OR1225614688
  8. John Antolik, MDOregon City, OR1417927351
  9. Stephen Archer, M.D.Bend, OR1699750307
  10. Benjamin Arndt, RNFASalem, OR1871156588

Common questions

What is Sarah Michelle Wonn, M.D.'s NPI number?

Sarah Michelle Wonn, M.D.'s National Provider Identifier (NPI) is 1861854754, issued on Mar 22, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Sarah Michelle Wonn, M.D. located?

The NPPES record lists a practice address at 2821 Daggett Ave Ste 303, Klamath Falls, OR, 97601. Phone: (541) 274-8960. Providers update this record themselves, so call before visiting.

How can I verify Sarah Michelle Wonn, M.D.'s license?

NPPES lists Oregon license number MD210444, 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.

How much does Sarah Michelle Wonn, M.D. prescribe under Medicare Part D?

In 2024, Sarah Michelle Wonn, M.D. had 117 Medicare Part D claims for 79 beneficiaries; 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.

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.