Phyllis S Loeff, MD. Ltd
NPI 1376605733 · Psychiatry Physician · Highland Park, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Phyllis S Loeff, MD. Ltd is a Psychiatry Physician organization in Highland Park, IL (NPI 1376605733).
Provider details
- NPI number
- 1376605733
- Entity type
- Organization
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Phyllis Loeff, President(847) 432-5620
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2006-12-14
- Last updated
- 2020-08-22
Frequently asked questions
- What is Phyllis S Loeff, MD. Ltd's NPI number?
- Phyllis S Loeff, MD. Ltd's National Provider Identifier (NPI) is 1376605733, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Phyllis S Loeff, MD. Ltd?
- Phyllis S Loeff, MD. Ltd is classified in the NPPES registry as Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Phyllis S Loeff, MD. Ltd located?
- Phyllis S Loeff, MD. Ltd's practice location on file with NPPES is 321 Woodland Rd, Highland Park, IL 60035-5054.
- What is Phyllis S Loeff, MD. Ltd's phone number?
- The practice phone number listed in the NPPES registry for Phyllis S Loeff, MD. Ltd is (847) 432-5620.
- Does Phyllis S Loeff, MD. Ltd accept Medicare?
- Phyllis S Loeff, MD. Ltd is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Phyllis S Loeff, MD. Ltd?
- The authorized official listed on Phyllis S Loeff, MD. Ltd's NPPES record is Phyllis Loeff, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Phyllis S Loeff, MD. Ltd's NPI active?
- Yes — Phyllis S Loeff, MD. Ltd's NPI (1376605733) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.