NPPES file of Aug 9, 2026

Arthur N Donaldson M D INC in Sonora, CA

This location of Arthur N Donaldson M D bills under NPI 1497882914, an organization record issued on Feb 28, 2007 with the primary taxonomy Ophthalmology Physician. It is one of 5 NPIs registered under this name and one of 3 in Sonora; each clinician who sees you there has their own NPI and license.

CMS NPPES registry, file of Aug 9, 2026 · method · Verify with CMS →

Organization recordNPPES, Aug 2026
1497882914
Legal name
Arthur N Donaldson M D INC
Entity
Type 2 · organization, a subpart
Parent organization
Arthur N Donaldson M D INC
Primary taxonomy
Ophthalmology Physician 207W00000X
Practice location
940 SYLVA LN STE.G, Sonora, CA 95370
Phone
209-532-0340
Enumerated
Feb 28, 2007
Record updated
Mar 12, 2014
Authorized official
President (title as filed)
Public record from the NPPES NPI Registry (open it on CMS). An NPI identifies who bills; it is not a facility license.

The other 2 Sonora NPIs

  1. Arthur N. Donaldson, M.d., INC940 SYLVA LN SUITE G · issued Nov 16, 20061538232525
  2. Arthur N Donaldson M D INC940 SYLVA LN SUITE G · issued Feb 26, 20071558497263

2 clinicians CMS lists with Arthur N Donaldson M D in Sonora

  1. Gerard Ardron, MDOphthalmology Physician1689709982
  2. Perry Haugen, MDOphthalmology Physician1043345366

Source: CMS Doctors and Clinicians group affiliations, matched by practice name and city.

All 5 Arthur N Donaldson M D NPIs

Every location registered under this name, in 2 cities.

See every location

Checking an organization

  1. Confirm the business with the California secretary of state.
  2. Check the HHS-OIG exclusion list for the organization.
  3. Verify each clinician on their own record and the state license search.

Common questions

What does subpart mean?

The organization registered this NPI as a subpart: a part of the organization, such as a location, that bills under its own NPI.

Is an organization NPI a license?

No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.

Which Sonora NPI should I use?

Ask the office which NPI it bills under; all 3 Sonora NPIs are registered under the same name.

Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.