Mark Wesley Co
NPI 1477929461 · Nurse Practitioner · Sylmar, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Wesley Co is a Nurse Practitioner provider in Sylmar, CA (NPI 1477929461).
Provider details
- NPI number
- 1477929461
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 697369 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 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
- 2015-08-13
- Last updated
- 2026-04-16
- Certified
- 2026-04-16
Frequently asked questions
- What is Mark Wesley Co's NPI number?
- Mark Wesley Co's National Provider Identifier (NPI) is 1477929461, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Wesley Co's specialty?
- Mark Wesley Co is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mark Wesley Co located?
- Mark Wesley Co's practice location on file with NPPES is 14445 Olive View Dr, Sylmar, CA 91342-1438.
- What is Mark Wesley Co's phone number?
- The practice phone number listed in the NPPES registry for Mark Wesley Co is (747) 210-3000.
- Does Mark Wesley Co accept Medicare?
- Mark Wesley Co is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Wesley Co's NPI active?
- Yes — Mark Wesley Co's NPI (1477929461) is active in the NPPES registry as of the last update on 2026-04-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.