OrganizationActive
Mountainside Hospital
NPI 1710298096 · General Acute Care Hospital · Montclair, NJ
Mountainside Hospital is a General Acute Care Hospital organization in Montclair, NJ (NPI 1710298096).
Provider details
- NPI number
- 1710298096
- Entity type
- Organization
- Primary specialty
- General Acute Care HospitalHospitals
- Organization subpart
- No
- Authorized official
- John Fromhold, President and Ceo(973) 429-6949
Specialties & taxonomies
Hospitals
Profile Score
Detailed profile(83/100 index)
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
1 Bay Ave
Montclair, NJ 07042-4837
Phone: (973) 429-6889
Approximate (ZIP-level) locationGet directions
Mailing address
48 Abbott Rd
Towaco, NJ 07082-1252
Registry dates
- Enumerated
- 2010-07-01
- Last updated
- 2010-07-01
Frequently asked questions
- What is Mountainside Hospital's NPI number?
- Mountainside Hospital's National Provider Identifier (NPI) is 1710298096, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mountainside Hospital?
- Mountainside Hospital is classified in the NPPES registry as General Acute Care Hospital (Hospitals).
- Where is Mountainside Hospital located?
- Mountainside Hospital's practice location on file with NPPES is 1 Bay Ave, Montclair, NJ 07042-4837.
- What is Mountainside Hospital's phone number?
- The practice phone number listed in the NPPES registry for Mountainside Hospital is (973) 429-6889.
- Who is the authorized official for Mountainside Hospital?
- The authorized official listed on Mountainside Hospital's NPPES record is John Fromhold, President and Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mountainside Hospital's NPI active?
- Yes — Mountainside Hospital's NPI (1710298096) is active in the NPPES registry as of the last update on 2010-07-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.