NPPES file of Aug 9, 2026

David C. Koon, M.D.

Physical Medicine & Rehabilitation Physician · Portland, OR

David C. Koon, M.D. is a physical medicine & rehabilitation physician with a practice address in Portland, Oregon, and NPI 1528043205, issued on Dec 14, 2005. Check the license (Oregon MD23367, 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
1528043205
Name
David C. Koon
Credential
M.D.
Primary taxonomy
Physical Medicine & Rehabilitation Physician 208100000X
License number
MD23367 OR
Self-reported in NPPES; status is on the state search
Practice location
1040 NW 22ND Ave, Portland, OR 97210
Phone
(503) 413-6294
Enumerated
Dec 14, 2005
Record last updated
Jul 13, 2026
Fax
(503) 413-7780
Medicaid ID
287563 OR
Medicare enrollment
Enrolled (PECOS I20100904000017); accepts Medicare assignment
Medical or professional school
Hahnemann University College Of Medicine, 1997
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 physical medicine & rehabilitation physician records → All 164 in Oregon → Look up another NPI →

Also registered at 1040 NW 22ND Ave

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

  1. Blake Acohido, M.D.Ophthalmology Physician1518100734
  2. David Adler, MDNeurological Surgery Physician1851311088
  3. Muhammad Afzal, MD,FRSCSEDStudent in an Organized Health Care Education/Training Program1548463060
  4. Lisa Bailey, P.A.-CSurgical Physician Assistant1528074846
  5. Marcos Barnatan, MDVascular Surgery Physician1477512051
  6. Lynne Bell, M.D.Neurology Physician1801071899

Verify David C. Koon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD23367    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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45% fewer Medicare Part D claims than the average physical medicine & rehabilitation physician in 2024

403 Medicare Part D claims for 102 beneficiaries, against an average of 727 among the 7,448 providers of this specialty who prescribed in Part D. 92 claims were for opioids.

  1. David Koon403
  2. Specialty average727

Most prescribed

  1. Hydrocodone-Acetaminophen26 claims
  2. Oxycodone Hcl26 claims
  3. Atorvastatin Calcium25 claims
  4. Gabapentin23 claims
  5. Tramadol Hcl17 claims
  6. Tizanidine Hcl16 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 2 group practices

  1. Legacy Good Samaritan Hospital And Medical CenterPortland, OR
  2. Legacy Meridian Park HospitalTualatin, OR

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

David C. Koon among 164 physical medicine & rehabilitation physician records in Oregon

David C. Koon, M.D. is one of 164 physical medicine & rehabilitation physician records with a practice address in Oregon. 52% 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, 88% newer
  • In a Medicare fileYes · 52% of these records are
  • In the CMS Doctors and Clinicians fileYes · 43% of these records are
  • Graduated1997 · median 2009 among the 71 with a school on file
  • Record last updated2026 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208100000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Physical Medicine & Rehabilitation Physician providers in Oregon

There are 164 physical medicine & rehabilitation physician records in Oregon.

All 164 in Oregon → Every provider in Portland → Physical Medicine & Rehabilitation Physician nationwide →

The 8 physical medicine & rehabilitation physician records with the nearest ZIP codes

  1. Paul BluhmPortland, OR 972101518425321
  2. Jeanne Button, MDPortland, OR 972101427002187
  3. Jennifer Lawlor, M.D.Portland, OR 972101639156375
  4. Tatsuro Ogisu, M.D.Portland, OR 972101902940505
  5. Jamie Schmeer, D.O.Portland, OR 972101477871135
  6. Marie Valleroy, M.D.Portland, OR 972101437134178
  7. Gary Ward, M.D.Portland, OR 972101033194873
  8. Gurleen Grewal, MPT, PTPortland, OR 972091457987836

Common questions

What is David C. Koon, M.D.'s NPI number?

David C. Koon, M.D.'s National Provider Identifier (NPI) is 1528043205, issued on Dec 14, 2005. An NPI identifies a provider in billing; it is not a license.

Where is David C. Koon, M.D. located?

The NPPES record lists a practice address at 1040 NW 22ND Ave, Portland, OR, 97210. Phone: (503) 413-6294. Providers update this record themselves, so call before visiting.

How can I verify David C. Koon, M.D.'s license?

NPPES lists Oregon license number MD23367, 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 C. Koon, M.D. prescribe under Medicare Part D?

In 2024, David C. Koon, M.D. had 403 Medicare Part D claims for 102 beneficiaries; the average among physical medicine & rehabilitation physician prescribers was 727. 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.