James Mason, RSA
NPI 1821283284 · Surgical Assistant · Plainfield, IL
James Mason, RSA is a Surgical Assistant provider in Plainfield, IL (NPI 1821283284).
Provider details
- NPI number
- 1821283284
- Entity type
- Individual
- Primary specialty
- Surgical AssistantTechnologists, Technicians & Other Technical Service Providers
- Credential
- RSA
- Sex
- Male
- Sole proprietor
- No
- License
- 238000031 (IL)
Specialties & taxonomies
Technologists, Technicians & Other Technical 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
- 2007-09-10
- Last updated
- 2025-10-01
- Certified
- 2025-10-01
Frequently asked questions
- What is James Mason's NPI number?
- James Mason's National Provider Identifier (NPI) is 1821283284, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Mason's specialty?
- James Mason is listed in the NPPES registry with a primary specialty of Surgical Assistant (Technologists, Technicians & Other Technical Service Providers).
- Where is James Mason located?
- James Mason's practice location on file with NPPES is 14855 S Van Dyke Rd Unit 636, Plainfield, IL 60544-4326.
- What is James Mason's phone number?
- The practice phone number listed in the NPPES registry for James Mason is (630) 378-3114.
- Is James Mason's NPI active?
- Yes — James Mason's NPI (1821283284) is active in the NPPES registry as of the last update on 2025-10-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.