Leah Treffeisen, DO
NPI 1043079387 · Obstetrics & Gynecology Physician · Hoffman Estates, IL
Leah Treffeisen, DO is a Obstetrics & Gynecology Physician provider in Hoffman Estates, IL (NPI 1043079387).
Provider details
- NPI number
- 1043079387
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
2 yrs in NPPES registry
- Profile completeness33% of score
83% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$50 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2024-03-18
- Last updated
- 2024-06-24
- Certified
- 2024-06-24
Frequently asked questions
- What is Leah Treffeisen's NPI number?
- Leah Treffeisen's National Provider Identifier (NPI) is 1043079387, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leah Treffeisen's specialty?
- Leah Treffeisen is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Leah Treffeisen located?
- Leah Treffeisen's practice location on file with NPPES is 1555 Barrington Rd, Hoffman Estates, IL 60169.
- What is Leah Treffeisen's phone number?
- The practice phone number listed in the NPPES registry for Leah Treffeisen is (224) 299-6939.
- Is Leah Treffeisen's NPI active?
- Yes — Leah Treffeisen's NPI (1043079387) is active in the NPPES registry as of the last update on 2024-06-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.