NPPES file of Aug 9, 2026

Aaron J. Arnold, DO

Family Medicine Physician · Mount Vernon, WA

Aaron J. Arnold, DO is a family medicine physician with a practice address in Mount Vernon, Washington, and NPI 1871954305, issued on Mar 10, 2016. Check the license (Washington OP60960847, as entered in NPPES) on the Washington Medical Commission; 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
1871954305
Name
Aaron J. Arnold
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
OP60960847 WA
Self-reported in NPPES; status is on the state search
Practice location
110 N Laventure RD, Mount Vernon, WA 98273
Phone
(360) 399-7700
Enumerated
Mar 10, 2016
Record last updated
Mar 12, 2026
Fax
(360) 899-4534
Medicaid ID
2062788 WA
Medicare enrollment
Enrolled (PECOS I20190830001725); 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 110 N Laventure RD

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

  1. Stacy Asarian, DPTPhysical Therapist1841637543
  2. Taya Battistella, DPTPhysical Therapist1598178766
  3. Lonnie Bloom, PTPhysical Therapist1154322394
  4. Daniel Crowley, PTPhysical Therapist1912907536
  5. Erin Davidson, ARNPFamily Nurse Practitioner1497071765
  6. Davis HackmanPhysical Therapist1477018042

Verify Aaron J. Arnold in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license OP60960847
    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 Washington 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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81% fewer Medicare Part D claims than the average family medicine physician in 2024

668 Medicare Part D claims for 382 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 26 claims were for opioids.

  1. Aaron Arnold668
  2. Specialty average3,544

Most prescribed

  1. Azithromycin66 claims
  2. Albuterol Sulfate Hfa64 claims
  3. Cephalexin57 claims
  4. Prednisone54 claims
  5. Amoxicillin-Clavulanate Potass43 claims
  6. Fluconazole43 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. Public Hospital Dist NO 1 SkagitMount Vernon, WA

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

Aaron J. Arnold among 5,534 family medicine physician records in Washington

Aaron J. Arnold, DO is one of 5,534 family medicine physician records with a practice address in Washington. 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 2016, is newer than 76% of them.

  • NPI issued2016 · 76% of these records are older, 21% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2016 · median 2009 among the 3,294 with a school on file
  • Record last updated2026 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

78 family medicine physician records list a practice address in Mount Vernon

They are 78 of the 1,500 NPPES records with a practice address in Mount Vernon, and 5,534 family medicine physician records in Washington.

The 8 family medicine physician records with the nearest ZIP codes

  1. Jennifer Benson, MDMount Vernon, WA 982731801899182
  2. Carl Berliner, MDMount Vernon, WA 982731881680148
  3. Mario Cerpa, MDMt Vernon, WA 982731558397406
  4. Michele Coleman, DOMount Vernon, WA 982731235399825
  5. Robert Digman, MDMount Vernon, WA 982731427024843
  6. Leslie Estep, MDMount Vernon, WA 982731457354896
  7. Diane Kaplan, MDMount Vernon, WA 982731336291830
  8. Anita Meyer, MDMt Vernon, WA 982731902808207

Common questions

What is Aaron J. Arnold, DO's NPI number?

Aaron J. Arnold, DO's National Provider Identifier (NPI) is 1871954305, issued on Mar 10, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Aaron J. Arnold, DO located?

The NPPES record lists a practice address at 110 N Laventure RD, Mount Vernon, WA, 98273. Phone: (360) 399-7700. Providers update this record themselves, so call before visiting.

How can I verify Aaron J. Arnold, DO's license?

NPPES lists Washington license number OP60960847, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Aaron J. Arnold, DO prescribe under Medicare Part D?

In 2024, Aaron J. Arnold, DO had 668 Medicare Part D claims for 382 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.

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.