The Olive-Tree Company, LLC
NPI 1134271059 · Psychiatry Physician · Naperville, IL
The Olive-Tree Company, LLC is a Psychiatry Physician organization in Naperville, IL (NPI 1134271059).
Provider details
- NPI number
- 1134271059
- Entity type
- Organization
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Nefertiti Nowell, Owner Ceo(630) 428-2344
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Behavioral Health & Social Service Providers
- Professional Counselor101YP2500X
Behavioral Health & Social Service Providers
- Psychologist103T00000X
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
Other names (DBA / former)
- Doing business as
- Nowell and Associates Counseling Firm
Registry dates
- Enumerated
- 2007-01-18
- Last updated
- 2008-06-23
Frequently asked questions
- What is The Olive-Tree Company, LLC's NPI number?
- The Olive-Tree Company, LLC's National Provider Identifier (NPI) is 1134271059, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is The Olive-Tree Company, LLC?
- The Olive-Tree Company, LLC is classified in the NPPES registry as Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is The Olive-Tree Company, LLC located?
- The Olive-Tree Company, LLC's practice location on file with NPPES is 1979 N Mill St, Naperville, IL 60563-1200.
- What is The Olive-Tree Company, LLC's phone number?
- The practice phone number listed in the NPPES registry for The Olive-Tree Company, LLC is (630) 428-2344.
- Who is the authorized official for The Olive-Tree Company, LLC?
- The authorized official listed on The Olive-Tree Company, LLC's NPPES record is Nefertiti Nowell, Owner Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is The Olive-Tree Company, LLC's NPI active?
- Yes — The Olive-Tree Company, LLC's NPI (1134271059) is active in the NPPES registry as of the last update on 2008-06-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.