Peggy Grauwiler, PHD, LCSW
NPI 1518668086 · Clinical Social Worker · Princeton, NJ
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peggy Grauwiler, PHD, LCSW is a Clinical Social Worker provider in Princeton, NJ (NPI 1518668086).
Provider details
- NPI number
- 1518668086
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- PHD, LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- R071487-01 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
3 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
- 2023-03-13
- Last updated
- 2023-03-13
- Certified
- 2023-03-13
Frequently asked questions
- What is Peggy Grauwiler's NPI number?
- Peggy Grauwiler's National Provider Identifier (NPI) is 1518668086, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peggy Grauwiler's specialty?
- Peggy Grauwiler is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Peggy Grauwiler located?
- Peggy Grauwiler's practice location on file with NPPES is 353 Nassau St, Princeton, NJ 08540-4623.
- What is Peggy Grauwiler's phone number?
- The practice phone number listed in the NPPES registry for Peggy Grauwiler is (917) 208-4361.
- Does Peggy Grauwiler accept Medicare?
- Peggy Grauwiler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Peggy Grauwiler's NPI active?
- Yes — Peggy Grauwiler's NPI (1518668086) is active in the NPPES registry as of the last update on 2023-03-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.