Richard Diwald, RAS
NPI 1861558678 · Addiction (Substance Use Disorder) Counselor · Lakeport, CA
Richard Diwald, RAS is a Addiction (Substance Use Disorder) Counselor provider in Lakeport, CA (NPI 1861558678).
Provider details
- NPI number
- 1861558678
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- RAS
- Sex
- Male
- Sole proprietor
- Yes
- License
- D0412282000 (CA)
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
19 yrs in NPPES registry
- Profile completeness38% of score
100% 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
- 2006-12-28
- Last updated
- 2007-07-08
Frequently asked questions
- What is Richard Diwald's NPI number?
- Richard Diwald's National Provider Identifier (NPI) is 1861558678, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Richard Diwald's specialty?
- Richard Diwald is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Richard Diwald located?
- Richard Diwald's practice location on file with NPPES is 991 Parallel Dr, Lakeport, CA 95453-5720.
- What is Richard Diwald's phone number?
- The practice phone number listed in the NPPES registry for Richard Diwald is (707) 263-8162.
- Is Richard Diwald's NPI active?
- Yes — Richard Diwald's NPI (1861558678) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.