Van Byssum Associates, PC
NPI 1497949762 · Psychiatric/Mental Health Nurse Practitioner · Glen Ellyn, IL
Van Byssum Associates, PC is a Psychiatric/Mental Health Nurse Practitioner organization in Glen Ellyn, IL (NPI 1497949762).
Provider details
- NPI number
- 1497949762
- Entity type
- Organization
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Organization subpart
- No
- Authorized official
- Doris Van Byssum, President/Owner(630) 858-0875
- License
- 071004744 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing 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
18 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
- 2007-08-30
- Last updated
- 2017-03-14
Frequently asked questions
- What is Van Byssum Associates, PC's NPI number?
- Van Byssum Associates, PC's National Provider Identifier (NPI) is 1497949762, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Van Byssum Associates, PC?
- Van Byssum Associates, PC is classified in the NPPES registry as Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Van Byssum Associates, PC located?
- Van Byssum Associates, PC's practice location on file with NPPES is 174 S Montclair Ave, Glen Ellyn, IL 60137-6357.
- What is Van Byssum Associates, PC's phone number?
- The practice phone number listed in the NPPES registry for Van Byssum Associates, PC is (630) 858-0875.
- Who is the authorized official for Van Byssum Associates, PC?
- The authorized official listed on Van Byssum Associates, PC's NPPES record is Doris Van Byssum, President/Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Van Byssum Associates, PC's NPI active?
- Yes — Van Byssum Associates, PC's NPI (1497949762) is active in the NPPES registry as of the last update on 2017-03-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.