Brian Greenwald, CADC II
NPI 1164000667 · Addiction (Substance Use Disorder) Counselor · Newport Beach, CA
Brian Greenwald, CADC II is a Addiction (Substance Use Disorder) Counselor provider in Newport Beach, CA (NPI 1164000667).
Provider details
- NPI number
- 1164000667
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- CADC II
- Sex
- Male
- Sole proprietor
- No
- License
- A046300917 (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
5 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
- 2021-03-29
- Last updated
- 2021-04-20
- Certified
- 2021-04-20
Frequently asked questions
- What is Brian Greenwald's NPI number?
- Brian Greenwald's National Provider Identifier (NPI) is 1164000667, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Greenwald's specialty?
- Brian Greenwald is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Brian Greenwald located?
- Brian Greenwald's practice location on file with NPPES is 20051 Sw Birch St, Newport Beach, CA 92660-1708.
- What is Brian Greenwald's phone number?
- The practice phone number listed in the NPPES registry for Brian Greenwald is (213) 924-6442.
- Is Brian Greenwald's NPI active?
- Yes — Brian Greenwald's NPI (1164000667) is active in the NPPES registry as of the last update on 2021-04-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.