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CHRISTINA MIKOSZ MD
NPI 1891921722
Internal Medicine in Chicago, IL

Active since June 05, 2009PECOS EnrolledAccepts Medicare Assignment
69 W WASHINGTON ST STE 3500, CHICAGO, IL 60602(312) 848-6242 Get Directions Write a Review

NPPES record last updated: February 17, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Christina Mikosz Md NPPES

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

CHRISTINA MIKOSZ MD (NPI 1891921722) is an individual internal medicine provider in Chicago, Illinois, licensed in Illinois (036170353) and active in the NPI registry since June 2009. She is enrolled in Medicare PECOS and is a graduate of Other (2007).

NPPES Registry Identity

NPI1891921722
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameCHRISTINA MIKOSZCredential: MD
Location Address69 W WASHINGTON ST STE 3500Chicago, IL 60602-3027
Mailing Address69 W Washington St Ste 3500Chicago, IL 60602-3027
Phone(312) 848-6242
Sole ProprietorYes
Medical School CMSOtherGraduated 2007
Enumeration DateJune 5, 2009
Last NPPES UpdateFebruary 17, 2026
NPPES CertifiedFebruary 17, 2026
✔ NPI 1891921722 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IL · 036170353
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
69 W WASHINGTON ST STE 3500, Chicago, IL 60602
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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

Christina Mikosz 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 ID2961534599
PECOS Enrollment IDI20260527000659
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 Christina Mikosz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Cook County
2.4 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60602 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
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
Most-billed visit code 99214
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 Christina Mikosz's NPI number?

The NPI number for Christina Mikosz is 1891921722. It was assigned to this individual provider in the NPPES registry on June 5, 2009.

Where is Christina Mikosz located?

Christina Mikosz practices at 69 W Washington St Ste 3500, Chicago, IL 60602. The listed phone number is (312) 848-6242.

What is Christina Mikosz's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Christina Mikosz enrolled in Medicare?

Yes. Christina Mikosz 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 Christina Mikosz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christina Mikosz 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 Christina Mikosz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Christina Mikosz was last updated on February 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.