William J. Koenig, D.O.
Pediatrics Physician · McMinnville, OR
William J. Koenig, D.O. is a pediatrics physician with a practice address in McMinnville, Oregon, and NPI 1770588337, issued on Jun 20, 2005. Check the license (Oregon DO21266, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- William J. Koenig
- Credential
- D.O.
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- DO21266 OR
Self-reported in NPPES; status is on the state search - Practice location
- 2435 NE Cumulus Ave Ste A, McMinnville, OR 97128
- Phone
- (503) 472-6161
- Enumerated
- Jun 20, 2005
- Record last updated
- Oct 12, 2023
- Fax
- (503) 434-6290
- Medicaid ID
- 158934 OR
- Medicare enrollment
- Enrolled (PECOS I20091208000758); accepts Medicare assignment
- Medical or professional school
- Des Moines University Of Osteopathic Medicine And Health Sciences, 1989
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 861 in Oregon → Look up another NPI →
Also registered at 2435 NE Cumulus Ave Ste A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marcella Anderson, M.D.Pediatrics Physician1710982459
- Leslie Brott, M.D.Family Medicine Physician1730184391
- Julie Burns, PNPPediatric Nurse Practitioner1740333053
- Jeffrey Cochran, M.D.Family Medicine Physician1649703067
- Scott CochranFamily Medicine Physician1457706251
- Jacqueline Eriksen, M.D.Family Medicine Physician1588618458
Verify William J. Koenig in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license DO21266Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average pediatrics physician in 2024
31 Medicare Part D claims, against an average of 375 among the 5,609 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amitriptyline Hcl12 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.
Industry payments in 2024: $99.89
4 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 21,580 providers of this specialty with any payment received $842.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Physicians Medical Center P CMcMinnville, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William J. Koenig among 861 pediatrics physician records in Oregon
William J. Koenig, D.O. is one of 861 pediatrics physician records with a practice address in Oregon. 20% 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, 87% newer
- In a Medicare fileYes · 20% of these records are
- In the CMS Doctors and Clinicians fileYes · 9% of these records are
- Graduated1989 · median 2013 among the 75 with a school on file
- Record last updated2023 · 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 208000000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
12 pediatrics physician records list a practice address in McMinnville
They are 12 of the 1,322 NPPES records with a practice address in McMinnville, and 861 pediatrics physician records in Oregon.
All 861 in Oregon → Every provider in McMinnville → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Marcella Anderson, M.D.McMinnville, OR 971281710982459
- Cara Caddell, M.D.McMinnville, OR 971281902855943
- Jennifer Green, D.O.McMinnville, OR 971281043519895
- Mary Harbor, MDMcMinnville, OR 971281205823986
- Brent Heimuller, M.D.McMinnville, OR 971281053364562
- Caleb Hentges, DOMcMinnville, OR 971281326545161
- Maryalice McNamara, M.D.McMinnville, OR 971281518384627
- Margaret Miller, M.D.McMinnville, OR 971281689679243
Common questions
What is William J. Koenig, D.O.'s NPI number?
William J. Koenig, D.O.'s National Provider Identifier (NPI) is 1770588337, issued on Jun 20, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William J. Koenig, D.O. located?
The NPPES record lists a practice address at 2435 NE Cumulus Ave Ste A, McMinnville, OR, 97128. Phone: (503) 472-6161. Providers update this record themselves, so call before visiting.
How can I verify William J. Koenig, D.O.'s license?
NPPES lists Oregon license number DO21266, 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 William J. Koenig, D.O. prescribe under Medicare Part D?
In 2024, William J. Koenig, D.O. had 31 Medicare Part D claims; the average among pediatrics physician prescribers was 375. 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.
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.