NPPES file of Aug 9, 2026

James A. Christon, M.D.

Pulmonary Disease Physician · Eugene, OR

James A. Christon, M.D. is a pulmonary disease physician with a practice address in Eugene, Oregon, and NPI 1619984853, issued on Aug 1, 2006. Check the license (Oregon MD26306, 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
1619984853
Name
James A. Christon
Credential
M.D.
Primary taxonomy
Pulmonary Disease Physician 207RP1001X
License number
MD26306 OR
Self-reported in NPPES; status is on the state search
Practice location
3125 Chad Dr Ste 100, Eugene, OR 97408
Phone
(541) 687-1712
Enumerated
Aug 1, 2006
Record last updated
Oct 14, 2022
Fax
(541) 687-7943
Medicaid ID
274019 OR
Medicare enrollment
Enrolled (PECOS I20060104000153); accepts Medicare assignment
Medical or professional school
Northwestern University Feinberg Medical School, 1988
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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Also registered at 3125 Chad Dr Ste 100

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

  1. Martha Griffith, PA-CMedical Physician Assistant1013166966
  2. Dennis Hopkinson, MB BCH BAOPulmonary Disease Physician1588051809
  3. Hira IrfanPulmonary Disease Physician1407378714
  4. Karthik Mahadevan, MDPulmonary Disease Physician1144285263
  5. Indulal Rughani, M.D.Pulmonary Disease Physician1639185242
  6. Matthew Walter, M.D.Pulmonary Disease Physician1093722217

Verify James A. Christon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD26306
    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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9% fewer Medicare Part D claims than the average pulmonary disease physician in 2024

1,301 Medicare Part D claims for 233 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 50% of claims.

  1. James Christon1,301
  2. Specialty average1,425

Most prescribed

  1. Albuterol Sulfate Hfa164 claims
  2. Prednisone115 claims
  3. Fluticasone-Salmeterol106 claims
  4. Trelegy Ellipta95 claims
  5. Spiriva Handihaler88 claims
  6. Azithromycin79 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. Peacehealth Medical GroupEugene, OR

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

James A. Christon among 197 pulmonary disease physician records in Oregon

James A. Christon, M.D. is one of 197 pulmonary disease physician records with a practice address in Oregon. 82% 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 9% of them.

  • NPI issued2006 · 9% of these records are older, 55% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 73% of these records are
  • Graduated1988 · median 2005 among the 144 with a school on file
  • Record last updated2022 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pulmonary Disease Physician providers in Oregon

There are 197 pulmonary disease physician records in Oregon.

The 8 pulmonary disease physician records with the nearest ZIP codes

  1. Dennis Hopkinson, MB BCH BAOEugene, OR 974081588051809
  2. Hira IrfanEugene, OR 974081407378714
  3. Komal Kaur, MBBSEugene, OR 974081548751225
  4. Karthik Mahadevan, MDEugene, OR 974081144285263
  5. Nazir Memon, MDEugene, OR 974081144521725
  6. Indulal Rughani, M.D.Eugene, OR 974081639185242
  7. Matthew Walter, M.D.Eugene, OR 974081093722217
  8. John Silver, M.D.Stayton, OR 973831932216686

Common questions

What is James A. Christon, M.D.'s NPI number?

James A. Christon, M.D.'s National Provider Identifier (NPI) is 1619984853, issued on Aug 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is James A. Christon, M.D. located?

The NPPES record lists a practice address at 3125 Chad Dr Ste 100, Eugene, OR, 97408. Phone: (541) 687-1712. Providers update this record themselves, so call before visiting.

How can I verify James A. Christon, M.D.'s license?

NPPES lists Oregon license number MD26306, 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 James A. Christon, M.D. prescribe under Medicare Part D?

In 2024, James A. Christon, M.D. had 1,301 Medicare Part D claims for 233 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. 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.