NPPES file of Aug 9, 2026

Bonnie Marie Dittmann, PA-C

Physician Assistant · La Grande, OR

Bonnie Marie Dittmann, PA-C is a physician assistant with a practice address in La Grande, Oregon, and NPI 1114244498, issued on Apr 27, 2010. Check the license (Oregon PA151196, as entered in NPPES) with the Oregon board that licenses this profession; 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
1114244498
Name
Bonnie Marie Dittmann
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
PA151196 OR
Self-reported in NPPES; status is on the state search
Practice location
2011 4TH St, La Grande, OR 97850
Phone
(541) 963-4139
Enumerated
Apr 27, 2010
Record last updated
Jul 23, 2026
Fax
(541) 429-6612
Medicare enrollment
Enrolled (PECOS I20100908000305); 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.
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Also registered at 2011 4TH St

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

  1. James Chandler, CHWCommunity Health Worker1184435174
  2. Jamie Dickenson, LCSWClinical Social Worker1578322251
  3. Dorian EriichCommunity Health Worker1669270575
  4. Dehanna Gascon, FNP-BCPrimary Care Nurse Practitioner1982575908
  5. McKenzie HansenFamily Nurse Practitioner1639952930
  6. Tiffany Montgomery, CHWCommunity Health Worker1891510335

Verify Bonnie Marie Dittmann in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Oregon board licenses this profession
    Search for license PA151196
    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
Find the Oregon license search

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6.3 times the Medicare Part D claims of the average physician assistant in 2024

5,227 Medicare Part D claims for 311 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 228 claims were for opioids.

  1. Bonnie Dittmann5,227
  2. Specialty average830

Most prescribed

  1. Levothyroxine Sodium327 claims
  2. Atorvastatin Calcium264 claims
  3. Amlodipine Besylate208 claims
  4. Omeprazole150 claims
  5. Fluoxetine Hcl148 claims
  6. Lisinopril128 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. Praxis Health PCLa Grande, OR

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

Bonnie Marie Dittmann among 2,094 physician assistant records in Oregon

Bonnie Marie Dittmann, PA-C is one of 2,094 physician assistant records with a practice address in Oregon. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 27% of them.

  • NPI issued2010 · 27% of these records are older, 69% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated2009 · median 2017 among the 1,552 with a school on file
  • Record last updated2026 · 37% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Physician Assistant providers in Oregon

There are 2,094 physician assistant records in Oregon.

The 8 physician assistant records with the nearest ZIP codes

  1. Kylie Andrews, PALa Grande, OR 978501437041530
  2. Gus WhittingtonLa Grande, OR 978501659092559
  3. John Adair, PA-CIrrigon, OR 978441578873477
  4. Jon Watson, PA-CIrrigon, OR 978441093284705
  5. Sanyi Yoseph AbdissaHermiston, OR 978381083356018
  6. Talen Brunson, PA-CHermiston, OR 978381245165406
  7. Vianney ChauvetHermiston, OR 978381831910116
  8. Chris Dinardo, PAHermiston, OR 978381700349404

Common questions

What is Bonnie Marie Dittmann, PA-C's NPI number?

Bonnie Marie Dittmann, PA-C's National Provider Identifier (NPI) is 1114244498, issued on Apr 27, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Bonnie Marie Dittmann, PA-C located?

The NPPES record lists a practice address at 2011 4TH St, La Grande, OR, 97850. Phone: (541) 963-4139. Providers update this record themselves, so call before visiting.

How can I verify Bonnie Marie Dittmann, PA-C's license?

NPPES lists Oregon license number PA151196, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.

How much does Bonnie Marie Dittmann, PA-C prescribe under Medicare Part D?

In 2024, Bonnie Marie Dittmann, PA-C had 5,227 Medicare Part D claims for 311 beneficiaries; the average among physician assistant prescribers was 830. 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.