Onto Fertility Lab of Illinois, LLC
NPI 1073462099 · Reproductive Endocrinology Physician · Chicago, IL
Onto Fertility Lab of Illinois, LLC is a Reproductive Endocrinology Physician organization in Chicago, IL (NPI 1073462099).
Provider details
- NPI number
- 1073462099
- Entity type
- Organization
- Primary specialty
- Reproductive Endocrinology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Jennifer Teschendorf, Rcm Consultant(612) 458-8050
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
Under 1 yr in registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
4 documented practice locations
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
- Onto Health
Additional practice locations (3)
- 2567 W Golf RdHoffman Estates, IL 60169-1165Phone: (312) 724-8448Fax: (312) 724-8448
- 1528 Aurora AveNaperville, IL 60540-6210Phone: (312) 724-8448Fax: (312) 724-8448
- 520 W Touhy AvePark Ridge, IL 60068-4276Phone: (312) 724-8448Fax: (312) 724-8448
Registry dates
- Enumerated
- 2026-01-23
- Last updated
- 2026-01-23
- Certified
- 2026-01-23
Frequently asked questions
- What is Onto Fertility Lab of Illinois, LLC's NPI number?
- Onto Fertility Lab of Illinois, LLC's National Provider Identifier (NPI) is 1073462099, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Onto Fertility Lab of Illinois, LLC?
- Onto Fertility Lab of Illinois, LLC is classified in the NPPES registry as Reproductive Endocrinology Physician (Allopathic & Osteopathic Physicians).
- Where is Onto Fertility Lab of Illinois, LLC located?
- Onto Fertility Lab of Illinois, LLC's practice location on file with NPPES is 371 W Ontario St, Chicago, IL 60654-5716.
- What is Onto Fertility Lab of Illinois, LLC's phone number?
- The practice phone number listed in the NPPES registry for Onto Fertility Lab of Illinois, LLC is (312) 724-8448.
- Who is the authorized official for Onto Fertility Lab of Illinois, LLC?
- The authorized official listed on Onto Fertility Lab of Illinois, LLC's NPPES record is Jennifer Teschendorf, Rcm Consultant. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Onto Fertility Lab of Illinois, LLC's NPI active?
- Yes — Onto Fertility Lab of Illinois, LLC's NPI (1073462099) is active in the NPPES registry as of the last update on 2026-01-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.