NPPES file of Aug 9, 2026

Caroline Louise King-Widdall, M.D.

Family Medicine Physician · Keizer, OR

Caroline Louise King-Widdall, M.D. is a family medicine physician with a practice address in Keizer, Oregon, and NPI 1336267707, issued on Mar 26, 2007. Check the license (Oregon MD151091, 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
1336267707
Name
Caroline Louise King-Widdall
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
MD151091 OR
4301087707 MI
MD60644334 WA
Self-reported in NPPES; status is on the state search
Practice location
5940 Ulali Dr NE, Keizer, OR 97303
Phone
(503) 813-2000
Enumerated
Mar 26, 2007
Record last updated
Dec 9, 2024
Medicaid ID
500622839 OR
Medicare enrollment
Enrolled (PECOS I20100825001157); accepts Medicare assignment
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.
Download card Updates feed

Also registered at 5940 Ulali Dr NE

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

  1. Karen BorgoyNurse Practitioner1871891663
  2. Jesse Hall, MS, RDN, CDRegistered Dietitian1588068522
  3. Tiffany IwasaPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1548660681
  4. Megan Kauffman, NPNurse Practitioner1841669439
  5. Mark Margoles, MSFamily Medicine Physician1871645093
  6. Joshua Meador, D.O.Family Medicine Physician1538149653

Verify Caroline Louise King-Widdall in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD151091    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

68% more Medicare Part D claims than the average family medicine physician in 2024

5,956 Medicare Part D claims for 549 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 239 claims were for opioids.

  1. Caroline King-Widdall5,956
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium347 claims
  2. Lisinopril300 claims
  3. Rosuvastatin Calcium282 claims
  4. Losartan Potassium241 claims
  5. Levothyroxine Sodium221 claims
  6. Amlodipine Besylate176 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. Kaiser Foundation Health Plan OF The NorthwestSalem, OR

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

22 family medicine physician records list a practice address in Keizer

They are 22 of the 446 NPPES records with a practice address in Keizer, and 2,847 family medicine physician records in Oregon.

All 22 in Keizer → All 2,847 in Oregon → Every provider in Keizer →

Other family medicine physician records in Oregon

  1. Roxana Abbott, DOPortland, OR1275799082
  2. David Abdun-Nur, M.D.Grants Pass, OR1396737847
  3. Traci Ackron, D.O.Hillsboro, OR1336588789
  4. Orlando Acosta, MDHood River, OR1912990375
  5. Michele Adamcak, D.O.Tigard, OR1114097227
  6. Standley Adamek, DOTigard, OR1144515230
  7. Harry Adamo, MDSpringfield, OR1235191412
  8. Allyson AdamsClackamas, OR1043899537
  9. Caroline Adams, MDGresham, OR1164840815
  10. Justin Adams, M.D.Medford, OR1760616866

Common questions

What is Caroline Louise King-Widdall, M.D.'s NPI number?

Caroline Louise King-Widdall, M.D.'s National Provider Identifier (NPI) is 1336267707, issued on Mar 26, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Caroline Louise King-Widdall, M.D. located?

The NPPES record lists a practice address at 5940 Ulali Dr NE, Keizer, OR, 97303. Phone: (503) 813-2000. Providers update this record themselves, so call before visiting.

How can I verify Caroline Louise King-Widdall, M.D.'s license?

NPPES lists Oregon license number MD151091, 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 Caroline Louise King-Widdall, M.D. prescribe under Medicare Part D?

In 2024, Caroline Louise King-Widdall, M.D. had 5,956 Medicare Part D claims for 549 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.