Lisa Van Oossanen, LCSW
NPI 1538743430 · Mental Health Counselor · Lawrence, MA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lisa Van Oossanen, LCSW is a Mental Health Counselor provider in Lawrence, MA (NPI 1538743430).
Provider details
- NPI number
- 1538743430
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- L10525 (OR)
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
5 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
- 2021-05-07
- Last updated
- 2021-05-07
- Certified
- 2021-05-07
Frequently asked questions
- What is Lisa Van Oossanen's NPI number?
- Lisa Van Oossanen's National Provider Identifier (NPI) is 1538743430, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lisa Van Oossanen's specialty?
- Lisa Van Oossanen is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Lisa Van Oossanen located?
- Lisa Van Oossanen's practice location on file with NPPES is 439 S Union St Ste 203b, Lawrence, MA 01843-2837.
- What is Lisa Van Oossanen's phone number?
- The practice phone number listed in the NPPES registry for Lisa Van Oossanen is (978) 687-5852.
- Does Lisa Van Oossanen accept Medicare?
- Lisa Van Oossanen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lisa Van Oossanen's NPI active?
- Yes — Lisa Van Oossanen's NPI (1538743430) is active in the NPPES registry as of the last update on 2021-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.