NPPES file of Aug 9, 2026

David Wayne Windler, M.D.

Hospice and Palliative Medicine (Internal Medicine) Physician · Tigard, OR

David Wayne Windler, M.D. is a hospice and palliative medicine (internal medicine) physician with a practice address in Tigard, Oregon, and NPI 1538556949, issued on Apr 23, 2015. Check the license (Oregon MD200967, 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
1538556949
Name
David Wayne Windler
Credential
M.D.
Primary taxonomy
Hospice and Palliative Medicine (Internal Medicine) Physician 207RH0002X
License number
MD200967 OR
Self-reported in NPPES; status is on the state search
Practice location
12123 SW 69TH Ave, Tigard, OR 97223
Phone
(971) 708-7600
Enumerated
Apr 23, 2015
Record last updated
May 16, 2024
Fax
(971) 371-5230
Medicare enrollment
Enrolled (PECOS I20200812001682); accepts Medicare assignment
Medical or professional school
Louisiana State University School Of Medicine In Shreveport, 2015
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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8 nearest hospice and palliative medicine (internal medicine) physician records → All 59 in Oregon → Look up another NPI →

Also registered at 12123 SW 69TH Ave

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

  1. Marisa Adlesich, PA-CPhysician Assistant1679047708
  2. Rebecca Amador, MSN, AGPCNP-BCNurse Practitioner1235413840
  3. William Arscott, MDRadiation Oncology Physician1831509926
  4. Ariel Black, LCSW, LICSWClinical Social Worker1841144532
  5. Edward Chang, M.D.Hematology & Oncology Physician1376546309
  6. Michele Dickson, ARNPFamily Nurse Practitioner1619957990

Verify David Wayne Windler in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD200967    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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71% more Medicare Part D claims than the average hospice and palliative medicine (internal medicine) physician in 2024

1,264 Medicare Part D claims for 196 beneficiaries, against an average of 741 among the 1,607 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims. 567 claims were for opioids.

  1. David Windler1,264
  2. Specialty average741

Most prescribed

  1. Oxycodone Hcl209 claims
  2. Morphine Sulfate Er96 claims
  3. Olanzapine74 claims
  4. Fentanyl67 claims
  5. Lorazepam67 claims
  6. Hydrocodone-Acetaminophen64 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. Northwest Cancer Specialists PCTigard, OR

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

David Wayne Windler among 59 hospice and palliative medicine (internal medicine) physician records in Oregon

David Wayne Windler, M.D. is one of 59 hospice and palliative medicine (internal medicine) physician records with a practice address in Oregon. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 81% of them.

  • NPI issued2015 · 81% of these records are older, 15% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2015 · median 2010 among the 40 with a school on file
  • Record last updated2024 · 41% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0002X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hospice and Palliative Medicine (Internal Medicine) Physician providers in Oregon

There are 59 hospice and palliative medicine (internal medicine) physician records in Oregon.

All 59 in Oregon → Every provider in Tigard → Hospice and Palliative Medicine (Internal Medicine) Physician nationwide →

The 8 hospice and palliative medicine (internal medicine) physician records with the nearest ZIP codes

  1. Helen Bedder, MDPortland, OR 972271083913693
  2. Elena Hamilton, M.D.Portland, OR 972271518340322
  3. Angela Kalisiak, M.D.Portland, OR 972271386647147
  4. Ruth Medak, M.D.Portland, OR 972271245470640
  5. Carl Dronkowski, M.D.Portland, OR 972291619904158
  6. Kraig Russell, MDPortland, OR 972161760414916
  7. Rebecca Armendariz, MDPortland, OR 972131073773818
  8. Frances Derook, M.D.Portland, OR 972131922098060

Common questions

What is David Wayne Windler, M.D.'s NPI number?

David Wayne Windler, M.D.'s National Provider Identifier (NPI) is 1538556949, issued on Apr 23, 2015. An NPI identifies a provider in billing; it is not a license.

Where is David Wayne Windler, M.D. located?

The NPPES record lists a practice address at 12123 SW 69TH Ave, Tigard, OR, 97223. Phone: (971) 708-7600. Providers update this record themselves, so call before visiting.

How can I verify David Wayne Windler, M.D.'s license?

NPPES lists Oregon license number MD200967, 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 David Wayne Windler, M.D. prescribe under Medicare Part D?

In 2024, David Wayne Windler, M.D. had 1,264 Medicare Part D claims for 196 beneficiaries; the average among hospice and palliative medicine (internal medicine) physician prescribers was 741. 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.