NPPES file of Aug 9, 2026

Marc A. Zenoniani, MD

Internal Medicine Physician · Canby, OR

Marc A. Zenoniani, MD is an internal medicine physician with a practice address in Canby, Oregon, and NPI 1801802392, issued on Aug 1, 2006. Check the license (Oregon MD26839, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1801802392
Name
Marc A. Zenoniani
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MD26839 OR
Self-reported in NPPES; status is on the state search
Practice location
1185 South Elm St, Canby, OR 97013
Phone
(503) 723-4660
Enumerated
Aug 1, 2006
Record last updated
Sep 29, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(503) 266-6649
Medicaid ID
240159 OR
Medicare enrollment
Enrolled (PECOS I20061226000004); accepts Medicare assignment
Medical or professional school
Loma Linda University School Of Medicine, 2000
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 1185 South Elm St

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

  1. Daniel Hughson, MDInternal Medicine Physician1225080575

Verify Marc A. Zenoniani in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD26839
    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.

Bills Medicare through one group practice

  1. Kaiser Foundation Health Plan OF The NorthwestClackamas, OR

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

Marc A. Zenoniani among 2,116 internal medicine physician records in Oregon

Marc A. Zenoniani, MD is one of 2,116 internal medicine 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 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 54% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2000 · median 2008 among the 1,232 with a school on file
  • Record last updated2010 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

3 internal medicine physician records list a practice address in Canby

They are 3 of the 304 NPPES records with a practice address in Canby, and 2,116 internal medicine physician records in Oregon.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Daniel Hughson, MDCanby, OR 970131225080575
  2. Melvin Yamase, M.D.Canby, OR 970131386672475
  3. Lisa Ashcraft, MDClackamas, OR 970151801851746
  4. Kirthika Balakrishnan, MDClackamas, OR 970151881655256
  5. Alla Comardelle, M.D.Clackamas, OR 970151558397034
  6. Randall Gore, M.D.Clackamas, OR 970151639163447
  7. Gene Hong, M.D.Clackamas, OR 970151417905506
  8. Chieko Misaki, M.D.Clackamas, OR 970151225093172

Common questions

What is Marc A. Zenoniani, MD's NPI number?

Marc A. Zenoniani, MD's National Provider Identifier (NPI) is 1801802392, issued on Aug 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Marc A. Zenoniani, MD located?

The NPPES record lists a practice address at 1185 South Elm St, Canby, OR, 97013. Phone: (503) 723-4660. Providers update this record themselves, so call before visiting.

How can I verify Marc A. Zenoniani, MD's license?

NPPES lists Oregon license number MD26839, 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.

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.