OrganizationActive
Allergy & Asthma Specialists, P.C.
NPI 1689664641 · Specialist · Riverdale, NJ
Provider details
- NPI number
- 1689664641
- Entity type
- Organization
- Primary specialty
- SpecialistOther Service Providers
- Organization subpart
- No
- Authorized official
- Leonard Silverstein, Practice Owner(201) 236-8282
- License
- MA057113 (NJ)
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
51 Route 23 South
Riverdale, NJ 07457
Phone: (973) 831-5799
Fax: (973) 831-7422
Approximate (ZIP-level) locationGet directions
Mailing address
82 E Allendale Rd
Saddle River, NJ 07458-3057
Registry dates
- Enumerated
- 2005-10-21
- Last updated
- 2020-08-22
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.