Maria Quejada, MD
Hematology & Oncology Physician · Naperville, IL
Maria Quejada, MD is a hematology & oncology physician with a practice address in Naperville, Illinois, and NPI 1558348722, issued on Dec 28, 2005. Check the license (Illinois 36100626, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Maria Quejada
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 36100626 IL
Self-reported in NPPES; status is on the state search - Practice location
- 120 Spalding Drive, Naperville, IL 60540
- Phone
- (630) 527-3788
- Enumerated
- Dec 28, 2005
- Record last updated
- Apr 2, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (630) 646-6071
- Medicaid ID
- 036100626 2 IL
- Medicare enrollment
- Enrolled (PECOS I20040721001528); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 666 in Illinois → Look up another NPI →
Also registered at 120 Spalding Drive
A shared address usually means a shared clinic or building; it does not show who employs whom.
- William Broderick, M.D.Hematology & Oncology Physician1164696464
- Alexander Hantel, MDHematology & Oncology Physician1083691349
Verify Maria Quejada 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 36100626Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
18% more Medicare Part D claims than the average hematology & oncology physician in 2024
1,038 Medicare Part D claims for 185 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims. 11 claims were for opioids.
Most prescribed
- Eliquis115 claims
- Anastrozole78 claims
- Xarelto69 claims
- Prochlorperazine Maleate58 claims
- Levothyroxine Sodium42 claims
- Ondansetron Hcl41 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 MIPS final score for 2023 (Medicare payment program): 91.4 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $143.64
7 payments; by number, the most common kind was food and beverage; the largest payer was Daiichi Sankyo 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.
Bills Medicare through one group practice
- Endeavor Health Medical GroupNaperville, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maria Quejada among 666 hematology & oncology physician records in Illinois
Maria Quejada, MD is one of 666 hematology & oncology physician records with a practice address in Illinois. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 85% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1995 · median 2003 among the 461 with a school on file
- Record last updated2013 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Illinois
There are 666 hematology & oncology physician records in Illinois.
All 666 in Illinois → Every provider in Naperville → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Mohammed Azeem, MD, MPHNaperville, IL 605401144583030
- Fariborze Barhamand, MDNaperville, IL 605401093810491
- Mansoina Baweja, MDNaperville, IL 605401629052089
- William Broderick, M.D.Naperville, IL 605401164696464
- Alexander Hantel, MDNaperville, IL 605401083691349
- Joseph Kash, MDNaperville, IL 605401043297971
- Rand Naffouje, M.D.Naperville, IL 605401124469267
- Hassan Pervez, M.D.Naperville, IL 605401144373457
Common questions
What is Maria Quejada, MD's NPI number?
Maria Quejada, MD's National Provider Identifier (NPI) is 1558348722, issued on Dec 28, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Maria Quejada, MD located?
The NPPES record lists a practice address at 120 Spalding Drive, Naperville, IL, 60540. Phone: (630) 527-3788. Providers update this record themselves, so call before visiting.
How can I verify Maria Quejada, MD's license?
NPPES lists Illinois license number 36100626, 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 Maria Quejada, MD prescribe under Medicare Part D?
In 2024, Maria Quejada, MD had 1,038 Medicare Part D claims for 185 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Maria Quejada, MD's MIPS final score?
The 2023 MIPS final score is 91.4 of 100. 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.