CHRISTIAN FERNANDEZ OLORTEGUI M.D.
NPI 1033564018
Radiology - Radiation Oncology in Chicago, IL

Q: What is Christian Olortegui's NPI number?

The NPI number for Christian Olortegui is 1033564018. It was assigned to this individual provider in the NPPES registry on April 27, 2016. The provider is also known as Christian Fernandez M.D..

Q: What is Christian Olortegui's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Active since April 27, 2016PECOS EnrolledAccepts Medicare Assignment

84.57/100

CMS Quality Rating

1901 W HARRISON ST, CHICAGO, IL 60612(312) 864-3838 Get Directions Write a Review

NPPES record last updated: August 21, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 21, 2024, Aug 9, 2024, Apr 11, 2022 and 2 more (5 updates tracked since 2017).

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About Christian Fernandez Olortegui M.d. NPPES

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

CHRISTIAN FERNANDEZ OLORTEGUI M.D. (NPI 1033564018) is an individual radiation oncology provider in Chicago, Illinois, licensed in Illinois (036.156089) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS, is affiliated with Amita Health Resurrection Medical Center, and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (2016).

NPPES Registry Identity

NPI1033564018

Entity TypeIndividualMale

Primary Taxonomy2085R0001X

Provider Legal NameCHRISTIAN FERNANDEZ OLORTEGUICredential: M.D.

Location Address1901 W HARRISON STChicago, IL 60612-3714

Mailing Address1901 W Harrison StChicago, IL 60612-3714 · (312) 864-3838

Phone(312) 864-3838

Sole ProprietorYes

Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 2016

Enumeration DateApril 27, 2016

Last NPPES UpdateAugust 21, 20245 updates tracked since enumeration

NPPES CertifiedAugust 21, 2024

✔ NPI 1033564018 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0001X

License✔ Licensed in IL · 036.156089

Definition

A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.

1901 W HARRISON ST, Chicago, IL 60612

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Other Names 1

Former Name (1)Christian Fernandez M.d.

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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

Christian Fernandez Olortegui 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 ID1355628884

PECOS Enrollment IDI20210609001706

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

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

Cook County

Same address

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

Cook Radiation Oncology Sc

2.0 mi

Radiation Oncology

2233 W. DIVISION STREET, CANCER CENTER
Chicago, IL 60622

Reassigned Medicare billing, Illinois enrollment
6 clinicians in this Medicare group

NPI 1689953838 (312) 864-3838

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 5

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.

Design and construction of complex radiation treatment device 77334

The design and construction of a complex radiation treatment device is a process where a specialized instrument is created. This device targets harmful cells with high-energy rays to destroy or damage them, while minimizing impact on healthy cells. This aids in treating conditions like cancer.

30 services17 patients

Calculation of radiation therapy dose 77300

Radiation therapy dose calculation is a process to determine the exact amount of radiation needed to treat a specific area in the body. This calculation helps ensure the treatment is effective while minimizing harm to healthy tissues. It's a key part of planning your radiation therapy.

28 services15 patients

Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved 77290

This procedure involves collecting necessary data to plan the best radiation treatment. It may cover 3 or more areas or any area requiring special attention. Data collection includes imaging scans and tests to understand the disease's extent and to tailor a precise, effective treatment plan.

22 services20 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

20 services16 patients

Complex radiation therapy planning 77263

Complex radiation therapy planning is a process to determine the most effective way to deliver radiation to a specific area in your body. It involves detailed imaging to map your body's structure, allowing for precise targeting of cancer cells while sparing healthy tissue.

14 services14 patients

Hospital Affiliations CMS Care Compare 5

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

Amita Health Resurrection Medical Center

Acute Care Hospitals · Chicago, IL

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140117

Location7435 W Talcott AvenueChicago, IL 60631 · Cook County

Emergency services Birthing friendly

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

University Of Illinois Hospital And Clinics

Acute Care Hospitals · Chicago, IL

2/5 CMS rating

OwnershipGovernment - State

CMS Certification Number140150

Location1740 West Taylor St Suite 1400Chicago, IL 60612 · Cook County

Emergency services Birthing friendly

Presence Saints Mary And Elizabeth Medical Center

Acute Care Hospitals · Chicago, IL

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140180

Location2233 W Division StChicago, IL 60622 · Cook County

Emergency services Birthing friendly

Provident Hospital Of Chicago

Acute Care Hospitals · Chicago, IL

OwnershipGovernment - Local

CMS Certification Number140300

Location500 E 51st StChicago, IL 60615 · Cook County

Emergency services

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

$183.39 typical visit price

range $60.08 – $183.39

Typical copayment $45.84 (range $15.02 – $45.84)

Most-billed visit code 99205

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.

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

Quality

60.25

Promoting Interoperability

100

Improvement Activities

Cost

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.

JOHANNA WEFES-POTTER

Emergency Medicine

1901 W HARRISON ST
CHICAGO, IL 60612

Cook County (847) 843-2000

ARON BERHANU GUDETTA MD

Internal Medicine

1901 W HARRISON ST
CHICAGO, IL 60612

Cook County (312) 864-6000

DR. LIGAYA VILLAFRANCA MARASIGAN M.D.

Obstetrics & Gynecology (Gynecology)

1901 W HARRISON ST
CHICAG, IL 60612

Cook County (312) 864-5901

TIN TIN THOMAS M.D.

Internal Medicine

1901 W HARRISON ST
CHICAGO, IL 60612

Cook County (312) 864-6000

COOK COUNTY

Pharmacy (Clinic Pharmacy)

1901 W HARRISON ST
CHICAGO, IL 60612

Cook County (312) 864-6189

HELEN ELIZABETH STRAUS MD

Emergency Medicine

1901 W HARRISON ST
CHICAGO, IL 60612

Cook County (312) 864-0060

MR. GLEN DERRICK TRAMMELL PA-C

Physician Assistant

1901 W HARRISON ST
CHICAGO, IL 60612

Cook County (773) 869-7488

JOHN H STROGER, JR. HOSPITAL OF COOK COUNTY

General Acute Care Hospital

1901 W HARRISON ST
CHICAGO, IL 60612

Cook County (773) 319-2085

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 Christian Olortegui's NPI number?

The NPI number for Christian Olortegui is 1033564018. It was assigned to this individual provider in the NPPES registry on April 27, 2016. The provider is also known as Christian Fernandez M.D..

Where is Christian Olortegui located?

Christian Olortegui practices at 1901 W Harrison St, Chicago, IL 60612. The listed phone number is (312) 864-3838.

What is Christian Olortegui's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is Christian Olortegui enrolled in Medicare?

Yes. Christian Olortegui 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 Christian Olortegui's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christian Olortegui reassigns Medicare benefits to 2 organizations: Cook County (Chicago, IL) and Cook Radiation Oncology Sc (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 Christian Olortegui's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Christian Olortegui affiliated with any hospitals?

According to CMS data, Christian Olortegui is affiliated with Amita Health Resurrection Medical Center, John H Stroger Jr Hospital, University Of Illinois Hospital And Clinics, Presence Saints Mary And Elizabeth Medical Center and Provident Hospital Of Chicago.

When was this NPI record last updated?

The NPPES record for Christian Olortegui was last updated on August 21, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.