IndividualActive
Marc Costley
NPI 1811547771 · Attendant Care Provider · Oakdale, CA
Marc Costley is a Attendant Care Provider provider in Oakdale, CA (NPI 1811547771).
Provider details
- NPI number
- 1811547771
- Entity type
- Individual
- Primary specialty
- Attendant Care ProviderNursing Service Related Providers
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Nursing Service Related Providers
Profile Score
Established profile(59/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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
2728 Oakhurst Dr
Oakdale, CA 95361-9233
Phone: (209) 840-3456
Street-level locationGet directions
Mailing address
2728 Oakhurst Dr
Oakdale, CA 95361-9233
Registry dates
- Enumerated
- 2019-09-12
- Last updated
- 2019-09-12
Frequently asked questions
- What is Marc Costley's NPI number?
- Marc Costley's National Provider Identifier (NPI) is 1811547771, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marc Costley's specialty?
- Marc Costley is listed in the NPPES registry with a primary specialty of Attendant Care Provider (Nursing Service Related Providers).
- Where is Marc Costley located?
- Marc Costley's practice location on file with NPPES is 2728 Oakhurst Dr, Oakdale, CA 95361-9233.
- What is Marc Costley's phone number?
- The practice phone number listed in the NPPES registry for Marc Costley is (209) 840-3456.
- Is Marc Costley's NPI active?
- Yes — Marc Costley's NPI (1811547771) is active in the NPPES registry as of the last update on 2019-09-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.