National Provider Identifier Database

ONTO FERTILITY LAB OF ILLINOIS LLC
Reproductive Endocrinology

An obstetrician/gynecologist who is capable of managing complex problems relating to reproductive endocrinology and infertility.


Contact Information

ONTO FERTILITY LAB OF ILLINOIS, LLC
371 W ONTARIO ST
CHICAGO, IL60654-5716
Phone: 312-724-8448
Fax: 312-724-8448
Website:
Specialty Taxonomy Code
* Reproductive Endocrinology 207VE0102X

* Indicates primary specialty

NPI Profile & details for ONTO FERTILITY LAB OF ILLINOIS, LLC

NPI Number 1073462099
Legal business name
LBN
ONTO FERTILITY LAB OF ILLINOIS, LLC
Authorized official JENNIFER TESCHENDORF - (RCM CONSULTANT)
Entity Organization
Organization subpart No
Enumeration date 01/23/2026
Last updated 01/23/2026 - About 4 months ago
Sole proprietor1 Not specified
Identifiers n/a

1 A sole proprietor/sole proprietorship is an individual, and as such, is eligible for a single NPI number. The sole proprietor must apply for the NPI number using his or her own Social Security Number (SSN), not an Employer Identification Number (EIN) even if he/she has an EIN.

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