Marc Brown, RN
NPI 1336684653 · Psychiatric/Mental Health Registered Nurse · Long Beach, CA
Marc Brown, RN is a Psychiatric/Mental Health Registered Nurse provider in Long Beach, CA (NPI 1336684653).
Provider details
- NPI number
- 1336684653
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Registered NurseNursing Service Providers
- Credential
- RN
- Sex
- Male
- Sole proprietor
- No
- License
- 679821 (CA)
Specialties & taxonomies
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
- 2016-12-21
- Last updated
- 2016-12-21
Frequently asked questions
- What is Marc Brown's NPI number?
- Marc Brown's National Provider Identifier (NPI) is 1336684653, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marc Brown's specialty?
- Marc Brown is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Registered Nurse (Nursing Service Providers).
- Where is Marc Brown located?
- Marc Brown's practice location on file with NPPES is 2776 Pacific Ave, Long Beach, CA 90806-2613.
- What is Marc Brown's phone number?
- The practice phone number listed in the NPPES registry for Marc Brown is (562) 997-2506.
- Is Marc Brown's NPI active?
- Yes — Marc Brown's NPI (1336684653) is active in the NPPES registry as of the last update on 2016-12-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.