Marsha Portnoy, LCSW
NPI 1639373822 · Clinical Social Worker · Lawrenceville, NJ
Marsha Portnoy, LCSW is a Clinical Social Worker provider in Lawrenceville, NJ (NPI 1639373822).
Provider details
- NPI number
- 1639373822
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 44SC05378800 (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
- 2007-06-12
- Last updated
- 2011-12-20
Frequently asked questions
- What is Marsha Portnoy's NPI number?
- Marsha Portnoy's National Provider Identifier (NPI) is 1639373822, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marsha Portnoy's specialty?
- Marsha Portnoy is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Marsha Portnoy located?
- Marsha Portnoy's practice location on file with NPPES is 133 Franklin Corner Rd, Lawrenceville, NJ 08648-2531.
- What is Marsha Portnoy's phone number?
- The practice phone number listed in the NPPES registry for Marsha Portnoy is (609) 240-3126.
- Is Marsha Portnoy's NPI active?
- Yes — Marsha Portnoy's NPI (1639373822) is active in the NPPES registry as of the last update on 2011-12-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.