David Donaldson
NPI 1811452964 · Addiction (Substance Use Disorder) Counselor · Merced, CA
David Donaldson is a Addiction (Substance Use Disorder) Counselor provider in Merced, CA (NPI 1811452964).
Provider details
- NPI number
- 1811452964
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-02-04
- Last updated
- 2019-04-04
Frequently asked questions
- What is David Donaldson's NPI number?
- David Donaldson's National Provider Identifier (NPI) is 1811452964, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Donaldson's specialty?
- David Donaldson is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is David Donaldson located?
- David Donaldson's practice location on file with NPPES is 1343 W Main St, Merced, CA 95340-4438.
- What is David Donaldson's phone number?
- The practice phone number listed in the NPPES registry for David Donaldson is (209) 725-1060.
- Is David Donaldson's NPI active?
- Yes — David Donaldson's NPI (1811452964) is active in the NPPES registry as of the last update on 2019-04-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.