Registry data as of Aug 27, 2026

Christian Olortegui, M.D.

Radiation Oncology Physician · Chicago, IL

Christian Olortegui, M.D. is a radiation oncology physician with a practice address in Chicago, Illinois, and NPI 1033564018, issued on Apr 27, 2016. Check the license (Illinois 036.156089, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1033564018
Name
Christian Olortegui
Credential
M.D.
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
036.156089 IL
Self-reported in NPPES; status is on the state search
Practice location
1901 W Harrison St, Chicago, IL 60612
Phone
(312) 864-3838
Enumerated
Apr 27, 2016
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1901 W Harrison St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Elias Abate, M.D.Internal Medicine Physician1336712199
  2. Ayesha Abbasi, MDInternal Medicine Physician1376216705
  3. Milagros Abellera, APNNurse Practitioner1528076239
  4. Annette Abraham, MDInfectious Disease Physician1083195093
  5. Fidel Abrego, MDObstetrics & Gynecology Physician1245351824
  6. Bryan Acevedo, MDInternal Medicine Physician1598459612

Verify Christian Olortegui in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036.156089
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

53% fewer Medicare Part D claims than the average radiation oncology physician in 2024

63 Medicare Part D claims for 29 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.

  1. Christian Olortegui63
  2. Specialty average134

Most prescribed

  1. Tamsulosin Hcl14 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's Medicare quality score for 2023: 84.6 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score60.3
  2. Costout of 100 · 30%67.0
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 2 group practices

  1. Cook CountyChicago, IL
  2. Cook Radiation Oncology SCChicago, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Radiation Oncology Physician providers in Illinois

There are 277 radiation oncology physician records in Illinois.

Other radiation oncology physician records in Illinois

  1. Mohamed Abazeed, MD, PHDChicago, IL1205096609
  2. Christopher Abraham, MDSpringfield, IL1083900294
  3. Ross Abrams, M.D.Chicago, IL1356317564
  4. Iftekhar Ahmad, M.D.Rockford, IL1164641791
  5. Elke Aippersbach, M.D.,M.SC.,Oak Lawn, IL1285754895
  6. Adil Akthar, M.D.Warrenville, IL1598175531
  7. Neal Andruska, MD, PHDWarrenville, IL1972035798
  8. Sobiya Ansari, M.D.Chicago, IL1336554666
  9. Muzamil Arshad, MD/PHDChicago, IL1518429570
  10. Guhan Arumugam Shanmugasundaram, M.B.B.S.Chicago, IL1023800943

Common questions

What is Christian Olortegui, M.D.'s NPI number?

Christian Olortegui, M.D.'s National Provider Identifier (NPI) is 1033564018, issued on Apr 27, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Christian Olortegui, M.D. located?

The NPPES record lists a practice address at 1901 W Harrison St, Chicago, IL, 60612. Phone: (312) 864-3838. Providers update this record themselves, so call before visiting.

How can I verify Christian Olortegui, M.D.'s license?

NPPES lists Illinois license number 036.156089, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Christian Olortegui, M.D. prescribe under Medicare Part D?

In 2024, Christian Olortegui, M.D. had 63 Medicare Part D claims for 29 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.

What is Christian Olortegui, M.D.'s Medicare quality score?

The 2023 MIPS final score is 84.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments, the HHS-OIG exclusion list) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.