NPPES file of Aug 9, 2026

Winnie W. Henderson, M.D., PH.D.

Surgery Physician · Springfield, OR

Winnie W. Henderson, M.D., PH.D. is a surgery physician with a practice address in Springfield, Oregon, and NPI 1235347428, issued on May 19, 2007. Check the license (Oregon MD150994, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1235347428
Name
Winnie W. Henderson
Credential
M.D., PH.D.
Primary taxonomy
Surgery Physician 208600000X
License number
MD150994 OR
Self-reported in NPPES; status is on the state search
Practice location
3783 International CT Ste 200, Springfield, OR 97477
Phone
(541) 735-3778
Enumerated
May 19, 2007
Record last updated
Apr 28, 2023
Fax
(541) 735-3772
Medicaid ID
500621661 OR
Medicare enrollment
Enrolled (PECOS I20100927001108); accepts Medicare assignment
Medical or professional school
Oregon Health Sciences University School Of Medicine, 2004
Telehealth
Offers telehealth (CMS)
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 3783 International CT Ste 200

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

  1. Thomas Trezona, MDMedical Oncology Physician1295826014

Verify Winnie W. Henderson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD150994
    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

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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82% more Medicare Part D claims than the average surgery physician in 2024

267 Medicare Part D claims for 148 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 173 claims were for opioids.

  1. Winnie Henderson267
  2. Specialty average147

Most prescribed

  1. Oxycodone Hcl94 claims
  2. Hydrocodone-Acetaminophen38 claims
  3. Tramadol Hcl37 claims
  4. Cyclobenzaprine Hcl27 claims
  5. Cephalexin20 claims
  6. Ondansetron Odt18 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 90.3 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score90.2
  2. Costout of 100 · 30%73.0
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $42.07

2 payments; by number, the most common kind was food and beverage; the largest payer was Merit Medical Systems 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. Winnie Henderson$42.07
  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. Oncology Associates OF Oregon P CSpringfield, OR

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

Winnie W. Henderson among 524 surgery physician records in Oregon

Winnie W. Henderson, M.D., PH.D. is one of 524 surgery physician records with a practice address in Oregon. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 47% of them.

  • NPI issued2007 · 47% of these records are older, 41% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2004 · median 2005 among the 321 with a school on file
  • Record last updated2023 · 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 208600000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

25 surgery physician records list a practice address in Springfield

They are 25 of the 2,209 NPPES records with a practice address in Springfield, and 524 surgery physician records in Oregon.

The 8 surgery physician records with the nearest ZIP codes

  1. Kenneth Baker, MDSpringfield, OR 974771538122759
  2. Thomas Bascom, M.D.Springfield, OR 974771790714046
  3. Daniel Cusati, M.D.Springfield, OR 974771134210370
  4. David Dehaas, M.D.Springfield, OR 974771417986761
  5. John Dickinson, M.D.Springfield, OR 974771477582872
  6. Snell Fontus, MDSpringfield, OR 974771073639712
  7. Nichole Ingalls, MDSpringfield, OR 974771235357104
  8. Christine Kollmorgen, M.D.Springfield, OR 974771346282852

Common questions

What is Winnie W. Henderson, M.D., PH.D.'s NPI number?

Winnie W. Henderson, M.D., PH.D.'s National Provider Identifier (NPI) is 1235347428, issued on May 19, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Winnie W. Henderson, M.D., PH.D. located?

The NPPES record lists a practice address at 3783 International CT Ste 200, Springfield, OR, 97477. Phone: (541) 735-3778. Providers update this record themselves, so call before visiting.

How can I verify Winnie W. Henderson, M.D., PH.D.'s license?

NPPES lists Oregon license number MD150994, 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 Winnie W. Henderson, M.D., PH.D. prescribe under Medicare Part D?

In 2024, Winnie W. Henderson, M.D., PH.D. had 267 Medicare Part D claims for 148 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.

What is Winnie W. Henderson, M.D., PH.D.'s MIPS final score?

The 2023 MIPS final score is 90.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.