Natalie Reizine, M.D.
Medical Oncology Physician · Chicago, IL
Natalie Reizine, M.D. is a medical oncology physician with a practice address in Chicago, Illinois, and NPI 1194106724, issued on Jun 9, 2015. Check the license (Illinois 036146006, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Natalie Reizine
- Credential
- M.D.
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- 036146006 IL
Self-reported in NPPES; status is on the state search - Practice location
- 5841 S Maryland Ave # MC3051, Chicago, IL 60637
- Phone
- (773) 702-6840
- Enumerated
- Jun 9, 2015
- Record last updated
- Mar 14, 2025
- Fax
- (773) 702-2230
- Medicare enrollment
- Enrolled (PECOS I20210809003860); accepts Medicare assignment
- Medical or professional school
- Loyola University Of Chicago, Stritch School Of Medicine, 2015
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 182 in Illinois → Look up another NPI →
Also registered at 5841 S Maryland Ave # MC3051
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jenna MarkAcute Care Nurse Practitioner1821609462
- Kriya PatelInternal Medicine Physician1881331106
Verify Natalie Reizine in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036146006Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
20% fewer Medicare Part D claims than the average medical oncology physician in 2024
560 Medicare Part D claims for 60 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims. 22 claims were for opioids.
Most prescribed
- Abiraterone Acetate141 claims
- Prednisone136 claims
- Erleada52 claims
- Nubeqa35 claims
- Loperamide21 claims
- Tamsulosin Hcl16 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 MIPS final score for 2023 (Medicare payment program): 87.1 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $34,872.70
48 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 3,343 providers of this specialty with any payment received $11,773.47 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- The Board OF Trustees OF The University OF IllinoisChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Natalie Reizine among 182 medical oncology physician records in Illinois
Natalie Reizine, M.D. is one of 182 medical oncology physician records with a practice address in Illinois. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 83% of them.
- NPI issued2015 · 83% of these records are older, 13% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2015 · median 2000 among the 132 with a school on file
- Record last updated2025 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Oncology Physician providers in Illinois
There are 182 medical oncology physician records in Illinois.
All 182 in Illinois → Every provider in Chicago → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Manik Amin, MDChicago, IL 606371265689889
- Christine Bestvina, M.D.Chicago, IL 606371720354137
- Janet Chin, MDChicago, IL 606371205862653
- Kenneth CohenChicago, IL 606371881787067
- Abiola Ibraheem, M.B.CHBChicago, IL 606371013273614
- Andrzej JakubowiakChicago, IL 606371134205081
- Hedy KindlerChicago, IL 606371851453302
- Alexander PearsonChicago, IL 606371134448665
Common questions
What is Natalie Reizine, M.D.'s NPI number?
Natalie Reizine, M.D.'s National Provider Identifier (NPI) is 1194106724, issued on Jun 9, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Natalie Reizine, M.D. located?
The NPPES record lists a practice address at 5841 S Maryland Ave # MC3051, Chicago, IL, 60637. Phone: (773) 702-6840. Providers update this record themselves, so call before visiting.
How can I verify Natalie Reizine, M.D.'s license?
NPPES lists Illinois license number 036146006, 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 Natalie Reizine, M.D. prescribe under Medicare Part D?
In 2024, Natalie Reizine, M.D. had 560 Medicare Part D claims for 60 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.
What is Natalie Reizine, M.D.'s MIPS final score?
The 2023 MIPS final score is 87.1 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), file of Aug 9, 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 only as counts) 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 9, 2026.