Mark Karmatz
NPI 1669590550 · Rehabilitation Practitioner · Commerce, CA
Mark Karmatz is a Rehabilitation Practitioner provider in Commerce, CA (NPI 1669590550).
Provider details
- NPI number
- 1669590550
- Entity type
- Individual
- Primary specialty
- Rehabilitation PractitionerRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Male
- 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
19 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
- 2007-03-27
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mark Karmatz's NPI number?
- Mark Karmatz's National Provider Identifier (NPI) is 1669590550, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Karmatz's specialty?
- Mark Karmatz is listed in the NPPES registry with a primary specialty of Rehabilitation Practitioner (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Mark Karmatz located?
- Mark Karmatz's practice location on file with NPPES is 6055 E Washington Blvd, Commerce, CA 90040-2418.
- What is Mark Karmatz's phone number?
- The practice phone number listed in the NPPES registry for Mark Karmatz is (323) 346-0960.
- Is Mark Karmatz's NPI active?
- Yes — Mark Karmatz's NPI (1669590550) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.