1. Home
  2. Directory
  3. Illinois
  4. Chicago
  5. Internal Medicine
  6. NPI Profile

JOSUNE NATALIA IGLESIAS M.D.
NPI 1962504597
Internal Medicine in Chicago, IL

Active since September 03, 2006PECOS EnrolledAccepts Medicare Assignment
1700 W VAN BUREN ST, SUITE 500, CHICAGO, IL 60612(312) 563-2875(312) 942-3012 Get Directions Write a Review

NPPES record last updated: February 12, 2008. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Josune Natalia Iglesias M.d. NPPES

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

JOSUNE NATALIA IGLESIAS M.D. (NPI 1962504597) is an individual internal medicine provider in Chicago, Illinois and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS, is affiliated with John H Stroger Jr Hospital, and is a graduate of Other (1999).

NPPES Registry Identity

NPI1962504597
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameJOSUNE NATALIA IGLESIASCredential: M.D.
Location Address1700 W VAN BUREN ST, SUITE 500Chicago, IL 60612-3218
Mailing Address1700 W Van Buren St, Suite 500Chicago, IL 60612-3218 · (312) 563-2875 · Fax (312) 942-3012
Phone(312) 563-2875
Fax(312) 942-3012
Sole ProprietorNo
Medical School CMSOtherGraduated 1999
Enumeration DateSeptember 3, 2006
Last NPPES UpdateFebruary 12, 2008
✔ NPI 1962504597 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
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.
1700 W VAN BUREN ST, Chicago, IL 60612
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware.Insurance ›

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

Josune Natalia Iglesias M.d. 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 ID6709883176
PECOS Enrollment IDI20061026000531
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 Reassignments

2

Medicare enrollment records show Josune Iglesias reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Rush University Medical Center
0.2 mi
Diagnostic Radiology
1620 W HARRISON ST
Chicago, IL 60612
  • Reassigned Medicare billing, Illinois enrollment
  • Medicare enrollment name: Rush University Medical Group
  • 2,169 clinicians in this Medicare group
NPI 1184269425 (312) 563-4270
Cook County
0.3 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 60612 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.

Referred Medical Equipment & Supplies CMS DME claims 6

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
27 suppliers80 claims226 services$5.94 avg. paid by Medicare
Normal, low and high calibrator solution / chips A4256
DME-Other DME · category DE000N
1 supplier14 claims14 services$2.94 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
18 suppliers45 claims66 services$1.10 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
2 suppliers20 claims20 services$67.70 avg. paid by Medicare
Elevating leg rests, pair (for use with capped rental wheelchair base) K0195
DME-Wheelchairs · category DD021N
2 suppliers18 claims18 services$6.27 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
4 suppliers26 claims26 services$187.05 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ANN GOH M.D.
Hospitalist
1700 W VAN BUREN ST, SUITE 500
CHICAGO, IL 60612
Cook County (312) 563-2875
STEPHANIE LYNN CRANE M.D.
Internal Medicine
1700 W VAN BUREN ST, SUITE 500
CHICAGO, IL 60612
Cook County (312) 563-2875
RUPEL DEDHIA M.D.
Internal Medicine
1700 W VAN BUREN ST, 5TH FLOOR
CHICAGO, IL 60612
Cook County (312) 563-2875
CATHERINE DIMOU M.D.
Hospitalist
1700 W VAN BUREN ST, SUITE 500
CHICAGO, IL 60612
Cook County (312) 563-2875
DANIEL ALLEN OKAMOTO M.D.
Internal Medicine
1700 W VAN BUREN ST, SUITE 500
CHICAGO, IL 60612
Cook County (312) 942-4200
GINA KRING M.D.
Family Medicine
1700 W VAN BUREN ST, SUITE 470
CHICAGO, IL 60612
Cook County (312) 942-0400
CYNTHIA LOUIE M.D.
Internal Medicine
1700 W VAN BUREN ST, SUITE 500
CHICAGO, IL 60612
Cook County (312) 563-2875
DR. USAMA ZIA AHMAD M.D.
Internal Medicine
1700 W VAN BUREN ST, SUITE 500
CHICAGO, IL 60612
Cook County (312) 563-2875

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 Josune Iglesias's NPI number?

The NPI number for Josune Iglesias is 1962504597. It was assigned to this individual provider in the NPPES registry on September 3, 2006.

Where is Josune Iglesias located?

Josune Iglesias practices at 1700 W Van Buren St Suite 500, Chicago, IL 60612. The listed phone number is (312) 563-2875.

What is Josune Iglesias's specialty?

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

Is Josune Iglesias enrolled in Medicare?

Yes. Josune Iglesias 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 organizations bill Medicare for Josune Iglesias's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Josune Iglesias reassigns Medicare benefits to 2 organizations: Rush University Medical Center (Chicago, IL) and Cook County (Chicago, IL). Each 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 Josune Iglesias's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Josune Iglesias accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Josune Iglesias as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Josune Iglesias affiliated with any hospitals?

According to CMS data, Josune Iglesias is affiliated with John H Stroger Jr Hospital.

When was this NPI record last updated?

The NPPES record for Josune Iglesias was last updated on February 12, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.