Maria Williams, APN
NPI 1649117755 · Psychiatric/Mental Health Nurse Practitioner · Belle Mead, NJ
Maria Williams, APN is a Psychiatric/Mental Health Nurse Practitioner provider in Belle Mead, NJ (NPI 1649117755).
Provider details
- NPI number
- 1649117755
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APN
- Sex
- Female
- Sole proprietor
- No
- License
- 26NJ15565800 (NJ)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
- 2026-04-29
- Last updated
- 2026-04-29
- Certified
- 2026-04-29
Frequently asked questions
- What is Maria Williams's NPI number?
- Maria Williams's National Provider Identifier (NPI) is 1649117755, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Williams's specialty?
- Maria Williams is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Maria Williams located?
- Maria Williams's practice location on file with NPPES is 252 County Road 601, Belle Mead, NJ 08502-3923.
- What is Maria Williams's phone number?
- The practice phone number listed in the NPPES registry for Maria Williams is (908) 281-1000.
- Is Maria Williams's NPI active?
- Yes — Maria Williams's NPI (1649117755) is active in the NPPES registry as of the last update on 2026-04-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.