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NATASA MARGETA M.D.
NPI 1265691125
Internal Medicine in Chicago, IL

Active since June 05, 2008PECOS EnrolledAccepts Medicare Assignment
84.57/100
CMS Quality Rating
2900 N LAKE SHORE DR, #1231 (12TH FLOOR), CHICAGO, IL 60657(773) 665-3261 Get Directions Write a Review

NPPES record last updated: April 27, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Apr 27, 2021, Dec 9, 2020 (2 updates tracked since 2020).

About Natasa Margeta M.d. NPPES

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

NATASA MARGETA M.D. (NPI 1265691125) is an individual internal medicine provider in Chicago, Illinois, licensed in Illinois (036-113494) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS, is affiliated with John H Stroger Jr Hospital, and is a graduate of Other (1993).

NPPES Registry Identity

NPI1265691125
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameNATASA MARGETACredential: M.D.
Location Address2900 N LAKE SHORE DR, #1231 (12TH FLOOR)Chicago, IL 60657-5640
Mailing Address2900 N Lake Shore Dr, #1231 (12th Floor)Chicago, IL 60657-5640 · (773) 665-3261
Phone(773) 665-3261
Sole ProprietorNo
Medical School CMSOtherGraduated 1993
Enumeration DateJune 5, 2008
Last NPPES UpdateApril 27, 20212 updates tracked since enumeration
NPPES CertifiedApril 27, 2021
✔ NPI 1265691125 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IL · 036-113494
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.
Also ListedInternal Medicine · Infectious DiseaseTaxonomy 207RI0200X · License 036-113494 (IL)
Also ListedHospitalistTaxonomy 208M00000X · License 036-113494 (IL)
2900 N LAKE SHORE DR, Chicago, IL 60657
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Other Identifiers 1

Medicaid036113494IL

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

Natasa Margeta 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 ID1850466327
PECOS Enrollment IDI20080910000473
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 Natasa Margeta reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Lakeshore Infectious Disease Associates Ltd.
0.2 mi
Infectious Disease
2900 N LAKE SHORE DR
Chicago, IL 60657
  • Reassigned Medicare billing, Illinois enrollment
  • 5 clinicians in this Medicare group
NPI 1346251741 (773) 665-3261
Cook County
4.6 mi
Multi-Specialty
1901 W HARRISON ST
Chicago, IL 60612
  • Reassigned Medicare billing, Illinois enrollment
  • 1,047 clinicians in this Medicare group
NPI 1245350040 (312) 864-4649

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

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
167 services39 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
26 services26 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
14 services14 patients

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 60657 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

84.57/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality60.25
Promoting Interoperability100
Improvement Activities40
Cost67

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.

MAX JESUS BUSTILLO OROZCO MD
Student in an Organized Health Care Education/Training Program
2900 N LAKE SHORE DR
CHICAGO, IL 60657
Cook County (773) 665-3000
ROBERTA LUSKIN-HAWK MD
Internal Medicine (Infectious Disease)
2900 N LAKE SHORE DR
CHICAGO, IL 60657
Cook County (773) 665-3261
DR. SANDRA SOLOMON M.D.
Pain Medicine (Interventional Pain Medicine)
2900 N LAKE SHORE DR
CHICAGO, IL 60657
Cook County (773) 665-3000
DR. ILANA SCHIFFMAN M.D.
Family Medicine
2900 N LAKE SHORE DR
CHICAGO, IL 60657
Cook County (773) 665-3000
NEAL FRANCIS DAVIS-RUPERTO AUD
Audiologist
2900 N LAKE SHORE DR
CHICAGO, IL 60657
Cook County (773) 665-3184
SHADI JAFARIAN RD, LDN
Dietitian, Registered
2900 N LAKE SHORE DR, CLINICAL NUTRITION SERVICES
CHICAGO, IL 60657
Cook County (773) 665-3306
AHSANA ANJUM ISLAM DPM
Student in an Organized Health Care Education/Training Program
2900 N LAKE SHORE DR
CHICAGO, IL 60657
Cook County (773) 665-3000
DR. YANIRA LAGOS ESCOTO MD
Internal Medicine
2900 N LAKE SHORE DR
CHICAGO, IL 60657
Cook County (773) 665-6730

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 Natasa Margeta's NPI number?

The NPI number for Natasa Margeta is 1265691125. It was assigned to this individual provider in the NPPES registry on June 5, 2008.

Where is Natasa Margeta located?

Natasa Margeta practices at 2900 N Lake Shore Dr #1231 (12th Floor), Chicago, IL 60657. The listed phone number is (773) 665-3261.

What is Natasa Margeta's specialty?

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

Is Natasa Margeta enrolled in Medicare?

Yes. Natasa Margeta 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 Natasa Margeta's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Natasa Margeta reassigns Medicare benefits to 2 organizations: Lakeshore Infectious Disease Associates Ltd. (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 Natasa Margeta's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Natasa Margeta affiliated with any hospitals?

According to CMS data, Natasa Margeta is affiliated with John H Stroger Jr Hospital.

When was this NPI record last updated?

The NPPES record for Natasa Margeta was last updated on April 27, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.