Marcus Ramey
NPI 1336951532 · Substance Use Disorder Rehabilitation Clinic/Center · Diamond Bar, CA
Marcus Ramey is a Substance Use Disorder Rehabilitation Clinic/Center provider in Diamond Bar, CA (NPI 1336951532).
Provider details
- NPI number
- 1336951532
- Entity type
- Individual
- Primary specialty
- Substance Use Disorder Rehabilitation Clinic/CenterAmbulatory Health Care Facilities
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
- 2025-01-23
- Last updated
- 2025-09-11
- Certified
- 2025-01-23
Frequently asked questions
- What is Marcus Ramey's NPI number?
- Marcus Ramey's National Provider Identifier (NPI) is 1336951532, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcus Ramey's specialty?
- Marcus Ramey is listed in the NPPES registry with a primary specialty of Substance Use Disorder Rehabilitation Clinic/Center (Ambulatory Health Care Facilities).
- Where is Marcus Ramey located?
- Marcus Ramey's practice location on file with NPPES is 1370 Valley Vista Dr Ste 200, Diamond Bar, CA 91765-3921.
- What is Marcus Ramey's phone number?
- The practice phone number listed in the NPPES registry for Marcus Ramey is (909) 992-6315.
- Is Marcus Ramey's NPI active?
- Yes — Marcus Ramey's NPI (1336951532) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.