Isabel De Master, L.C.S.W.
NPI 1881614725 · Mental Health Counselor · Waldwick, NJ
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Isabel De Master, L.C.S.W. is a Mental Health Counselor provider in Waldwick, NJ (NPI 1881614725).
Provider details
- NPI number
- 1881614725
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- L.C.S.W.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 44SC00128800 (NJ)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-07-21
- Last updated
- 2007-07-08
Frequently asked questions
- What is Isabel De Master's NPI number?
- Isabel De Master's National Provider Identifier (NPI) is 1881614725, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Isabel De Master's specialty?
- Isabel De Master is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Isabel De Master located?
- Isabel De Master's practice location on file with NPPES is 71 Franklin Tpke, Waldwick, NJ 07463-1851.
- What is Isabel De Master's phone number?
- The practice phone number listed in the NPPES registry for Isabel De Master is (201) 447-1220.
- Does Isabel De Master accept Medicare?
- Isabel De Master is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Isabel De Master's NPI active?
- Yes — Isabel De Master's NPI (1881614725) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.