Michael Mah
NPI 1598611444 · Occupational Therapy Assistant · Los Angeles, CA
Michael Mah is a Occupational Therapy Assistant provider in Los Angeles, CA (NPI 1598611444).
Provider details
- NPI number
- 1598611444
- Entity type
- Individual
- Primary specialty
- Occupational Therapy AssistantRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 5440 (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
Under 1 yr in 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
- 2026-03-04
- Last updated
- 2026-03-04
- Certified
- 2026-03-04
Frequently asked questions
- What is Michael Mah's NPI number?
- Michael Mah's National Provider Identifier (NPI) is 1598611444, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Mah's specialty?
- Michael Mah is listed in the NPPES registry with a primary specialty of Occupational Therapy Assistant (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Michael Mah located?
- Michael Mah's practice location on file with NPPES is 981 S St Andrews Pl Apt 101, Los Angeles, CA 90019-2248.
- What is Michael Mah's phone number?
- The practice phone number listed in the NPPES registry for Michael Mah is (310) 678-5191.
- Is Michael Mah's NPI active?
- Yes — Michael Mah's NPI (1598611444) is active in the NPPES registry as of the last update on 2026-03-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.