Justin Ammen
NPI 1972231074 · Occupational Therapy Assistant · Rosemead, CA
Justin Ammen is a Occupational Therapy Assistant provider in Rosemead, CA (NPI 1972231074).
Provider details
- NPI number
- 1972231074
- Entity type
- Individual
- Primary specialty
- Occupational Therapy AssistantRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 462171 (CA)
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
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
- 2022-08-08
- Last updated
- 2022-08-08
- Certified
- 2022-08-08
Frequently asked questions
- What is Justin Ammen's NPI number?
- Justin Ammen's National Provider Identifier (NPI) is 1972231074, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Justin Ammen's specialty?
- Justin Ammen is listed in the NPPES registry with a primary specialty of Occupational Therapy Assistant (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Justin Ammen located?
- Justin Ammen's practice location on file with NPPES is 9337 Marshall St, Rosemead, CA 91770-2028.
- What is Justin Ammen's phone number?
- The practice phone number listed in the NPPES registry for Justin Ammen is (626) 475-8680.
- Is Justin Ammen's NPI active?
- Yes — Justin Ammen's NPI (1972231074) is active in the NPPES registry as of the last update on 2022-08-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.