Marjorie Diong, COTA
NPI 1396442729 · Occupational Therapy Assistant · Long Beach, CA
Marjorie Diong, COTA is a Occupational Therapy Assistant provider in Long Beach, CA (NPI 1396442729).
Provider details
- NPI number
- 1396442729
- Entity type
- Individual
- Primary specialty
- Occupational Therapy AssistantRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- COTA
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 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
- 2023-02-15
- Last updated
- 2023-02-15
- Certified
- 2023-02-15
Frequently asked questions
- What is Marjorie Diong's NPI number?
- Marjorie Diong's National Provider Identifier (NPI) is 1396442729, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marjorie Diong's specialty?
- Marjorie Diong is listed in the NPPES registry with a primary specialty of Occupational Therapy Assistant (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Marjorie Diong located?
- Marjorie Diong's practice location on file with NPPES is 2215 San Francisco Ave, Long Beach, CA 90806-4150.
- What is Marjorie Diong's phone number?
- The practice phone number listed in the NPPES registry for Marjorie Diong is (562) 532-0251.
- Is Marjorie Diong's NPI active?
- Yes — Marjorie Diong's NPI (1396442729) is active in the NPPES registry as of the last update on 2023-02-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.