Marc Walton
NPI 1215116017 · Occupational Therapy Assistant · Concord, CA
Marc Walton is a Occupational Therapy Assistant provider in Concord, CA (NPI 1215116017).
Provider details
- NPI number
- 1215116017
- Entity type
- Individual
- Primary specialty
- Occupational Therapy AssistantRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- OP003008L (PA)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
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
18 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
- 2007-10-29
- Last updated
- 2020-01-22
- Certified
- 2020-01-22
Frequently asked questions
- What is Marc Walton's NPI number?
- Marc Walton's National Provider Identifier (NPI) is 1215116017, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marc Walton's specialty?
- Marc Walton is listed in the NPPES registry with a primary specialty of Occupational Therapy Assistant (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Marc Walton located?
- Marc Walton's practice location on file with NPPES is 2418 Erie Dr, Concord, CA 94519-2155.
- What is Marc Walton's phone number?
- The practice phone number listed in the NPPES registry for Marc Walton is (215) 888-4452.
- Is Marc Walton's NPI active?
- Yes — Marc Walton's NPI (1215116017) is active in the NPPES registry as of the last update on 2020-01-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.