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DR. KRISTINA JANEA WARNER MD
NPI 1346695509
Obstetrics & Gynecology in Chicago, IL

Active since April 25, 2016PECOS EnrolledAccepts Medicare Assignment
250 E SUPERIOR ST STE 5-2166, CHICAGO, IL 60611(312) 472-4673 Get Directions Write a Review

NPPES record last updated: December 20, 2018. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Kristina Janea Warner Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. KRISTINA JANEA WARNER MD (NPI 1346695509) is an individual obstetrics & gynecology provider in Chicago, Illinois, licensed in Illinois (125073309) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS, is affiliated with John H Stroger Jr Hospital, and maintains a secondary practice location in Buffalo.

NPPES Registry Identity

NPI1346695509
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. KRISTINA JANEA WARNERCredential: MD
Location Address250 E SUPERIOR ST STE 5-2166Chicago, IL 60611-2914
Mailing Address250 E Superior St Ste 5-2166Chicago, IL 60611-2914
Phone(312) 472-4673
Sole ProprietorNo
Medical School CMSUniversity Of Rochester School Of Medicine And DentistryGraduated 2016
Enumeration DateApril 25, 2016
Last NPPES UpdateDecember 20, 2018
✔ NPI 1346695509 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in IL · 125073309
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
250 E SUPERIOR ST STE 5-2166, Chicago, IL 60611
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Other Names 1

Professional Name (2)Dr. Kristina Janea Warner Md

Secondary Practice Location 1

Location 1219 Bryant StBuffalo, NY 14222-2006 · Phone (716) 878-7750

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Kristina Janea Warner Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6709122989
PECOS Enrollment IDI20250103001750
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Kristina Warner reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Cook County
3.2 mi
Family Medicine
605 S WOLCOTT AVE, SUITE 605
Chicago, IL 60612
  • Reassigned Medicare billing, Illinois enrollment
  • 1,047 clinicians in this Medicare group
NPI 1912063439 (312) 864-4649

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

John H Stroger Jr Hospital

Acute Care Hospitals · Chicago, IL
2/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number140124
Location1901 W Harrison StChicago, IL 60612 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60611 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$74.80 typical visit price
range $18.97 – $148.12
Typical copayment $18.70 (range $4.74 – $37.03)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Kristina Warner's NPI number?

The NPI number for Kristina Warner is 1346695509. It was assigned to this individual provider in the NPPES registry on April 25, 2016. The provider is also known as Dr. Kristina Janea Warner MD.

Where is Kristina Warner located?

Kristina Warner practices at 250 E Superior St Ste 5-2166, Chicago, IL 60611. The listed phone number is (312) 472-4673.

What is Kristina Warner's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Kristina Warner enrolled in Medicare?

Yes. Kristina Warner is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Kristina Warner's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kristina Warner reassigns Medicare benefits to Cook County (Chicago, IL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Kristina Warner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Kristina Warner affiliated with any hospitals?

According to CMS data, Kristina Warner is affiliated with John H Stroger Jr Hospital.

When was this NPI record last updated?

The NPPES record for Kristina Warner was last updated on December 20, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.