Associates Medical Corporation
NPI 1578852935 · Preferred Provider Organization · Passaic, NJ
Associates Medical Corporation is a Preferred Provider Organization organization in Passaic, NJ (NPI 1578852935).
Provider details
- NPI number
- 1578852935
- Entity type
- Organization
- Primary specialty
- Preferred Provider OrganizationManaged Care Organizations
- Organization subpart
- No
- Authorized official
- William Castilla, Owner(973) 365-1377
- License
- MA02465100 (NJ)
Specialties & taxonomies
Managed Care Organizations
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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
Other names (DBA / former)
- Former legal business name
- William Castila, MD
Registry dates
- Enumerated
- 2011-04-06
- Last updated
- 2014-04-22
Frequently asked questions
- What is Associates Medical Corporation's NPI number?
- Associates Medical Corporation's National Provider Identifier (NPI) is 1578852935, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Associates Medical Corporation?
- Associates Medical Corporation is classified in the NPPES registry as Preferred Provider Organization (Managed Care Organizations).
- Where is Associates Medical Corporation located?
- Associates Medical Corporation's practice location on file with NPPES is 293 Passaic St, Passaic, NJ 07055-5803.
- What is Associates Medical Corporation's phone number?
- The practice phone number listed in the NPPES registry for Associates Medical Corporation is (973) 365-1377.
- Who is the authorized official for Associates Medical Corporation?
- The authorized official listed on Associates Medical Corporation's NPPES record is William Castilla, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Associates Medical Corporation's NPI active?
- Yes — Associates Medical Corporation's NPI (1578852935) is active in the NPPES registry as of the last update on 2014-04-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.