Arthur N. Donaldson, M.d., INC in Sonora, CA
This location of Arthur N Donaldson M D bills under NPI 1538232525, an organization record issued on Nov 16, 2006 with the primary taxonomy Eyewear Supplier. 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.
- Legal name
- Arthur N. Donaldson, M.d., INC
- Entity
- Type 2 · organization
- Primary taxonomy
- Eyewear Supplier 332H00000X
- Practice location
- 940 SYLVA LN SUITE G, Sonora, CA 95370
- Phone
- 209-532-0340
- Enumerated
- Nov 16, 2006
- Record updated
- Aug 22, 2020
- Authorized official
- President (title as filed)
The other 2 Sonora NPIs
- Arthur N Donaldson M D INC940 SYLVA LN SUITE G · issued Feb 26, 20071558497263
- Arthur N Donaldson M D INC940 SYLVA LN STE.G · issued Feb 28, 20071497882914
2 clinicians CMS lists with Arthur N Donaldson M D in Sonora
- Gerard Ardron, MDOphthalmology Physician1689709982
- Perry Haugen, MDOphthalmology Physician1043345366
Source: CMS Doctors and Clinicians group affiliations, matched by practice name and city.
Every location registered under this name, in 2 cities.
See every locationChecking an organization
- Confirm the business with the California secretary of state.
- Check the HHS-OIG exclusion list for the organization.
- Verify each clinician on their own record and the state license search.
Common questions
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.