Benjamin T. Esparaz, M.D.
Hematology & Oncology Physician · Decatur, IL
Benjamin T. Esparaz, M.D. is a hematology & oncology physician with a practice address in Decatur, Illinois, and NPI 1275502940, issued on Mar 15, 2006. Check the license (Illinois 036071926, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Benjamin T. Esparaz
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 036071926 IL
Self-reported in NPPES; status is on the state search - Practice location
- 210 W Mckinley Ave Ste 1, Decatur, IL 62526
- Phone
- (217) 876-6600
- Enumerated
- Mar 15, 2006
- Record last updated
- Dec 9, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (217) 876-6606
- Entity
- Type 1 · individual
Also registered at 210 W Mckinley Ave Ste 1
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Radwan Diab, M.D.Hematology (Internal Medicine) Physician1699398297
- Sarah Mackey, FNP-CNurse Practitioner1275102113
- Shannon Nail, LCPCProfessional Counselor1568059764
- Evelena Ontiveros, MD PHDHematology & Oncology Physician1689886962
- Thomas Tarter, M.D.Surgical Oncology Physician1114913225
- Christel Wheeler, FNPFamily Nurse Practitioner1588133003
Verify Benjamin T. Esparaz 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 036071926Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
388 Medicare Part D claims for 96 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims. 19 claims were for opioids.
Most prescribed
- Anastrozole47 claims
- Imbruvica26 claims
- Acyclovir18 claims
- Lonsurf18 claims
- Tamoxifen Citrate18 claims
- Ondansetron Hcl17 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): 77.7 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: $246.83
14 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 8,560 providers of this specialty with any payment received $7,481.41 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.
Hematology & Oncology Physician providers in Illinois
There are 666 hematology & oncology physician records in Illinois.
Other hematology & oncology physician records in Illinois
- Yasmin Abaza, M.D.Chicago, IL1033548383
- Worood Abboud, M.D.Joliet, IL1245325018
- Sabree Abedrabo, MDPark Ridge, IL1790344471
- Ivy AbrahamChicago, IL1497172845
- Majed Abuhajir, MDRockford, IL1700837218
- Kehinde Adekola, MDChicago, IL1306026117
- Solomon Adler, M.D.Chicago, IL1043499866
- Edem Agamah, MDSpringfield, IL1932147279
- Vasia Ahmed, M.D.Tinley Park, IL1992797047
- Amer Al Homssi, M.D.Chicago Ridge, IL1215483391
Common questions
What is Benjamin T. Esparaz, M.D.'s NPI number?
Benjamin T. Esparaz, M.D.'s National Provider Identifier (NPI) is 1275502940, issued on Mar 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Benjamin T. Esparaz, M.D. located?
The NPPES record lists a practice address at 210 W Mckinley Ave Ste 1, Decatur, IL, 62526. Phone: (217) 876-6600. Providers update this record themselves, so call before visiting.
How can I verify Benjamin T. Esparaz, M.D.'s license?
NPPES lists Illinois license number 036071926, 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 Benjamin T. Esparaz, M.D. prescribe under Medicare Part D?
In 2024, Benjamin T. Esparaz, M.D. had 388 Medicare Part D claims for 96 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Benjamin T. Esparaz, M.D.'s MIPS final score?
The 2023 MIPS final score is 77.7 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.