J Immunother Cancer
Carcinoma, Non-Small-Cell LungGene Expression ProfilingImmunotherapy
Dr. Maria I. Quejada, MD
NPI1558348722PAC ID1850371741
- Medicare services, 2024
- 968
- Medicare patients, 2024
- 337
- Part D claims, 2024
- 1,038
- Publications
- 1
- Clinical trials
- 7
- Practice address
- 2650 Ridge Ave, Evanston, IL 60201
- Practice phone
- Call (847) 570-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Quejada's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Maria I. Quejada is a hematologist and oncologist in Evanston, Illinois
Dr. Quejada practices at Evanston Hospital in Evanston, Illinois, part of Endeavor Health.
Dr. Quejada's NPI, 1558348722, was assigned on December 28, 2005. Dr. Quejada holds Illinois license 36100626.
NPI and contact details
- NPI
- 1558348722NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1850371741
- NPI enumeration date
- December 28, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (847) 570-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Maria I. Quejada practices at Evanston Hospital in Evanston, Illinois
Dr. Quejada's primary practice is Evanston Hospital, at 2650 Ridge Ave, Evanston, IL 60201 in Cook County. The practice phone is (847) 570-2000.
- Evanston Hospital2650 Ridge Ave, Evanston, IL 60201 · Cook CountyPhone(847) 570-2000
Source: Dmand AI Affiliation Data
Dr. Maria I. Quejada is affiliated with 7 sites of care and 2 medical groups
Dr. Quejada's primary practice is Evanston Hospital in Evanston, Illinois, part of Endeavor Health. Dr. Quejada is also affiliated with Swedish Hospital. The medical group on file is Endeavor Health Medical Group. Dmand AI also links Dr. Quejada to 2 more hospitals, 2 group practices and clinics, 1 home health agency and 1 medical group, each named with a free account.
Swedish HospitalEndeavor Health Medical Group2 hospitalsNames with a free account2 group practices and clinicsNames with a free account1 home health agencyName with a free account1 medical groupName with a free account
See all 9 affiliations for Dr. QuejadaSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Maria I. Quejada's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Quejada practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Evanston Hospital | Available with a free account |
| +6 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Maria I. Quejada is one of 563 hematologists and oncologists in Illinois
Hematology and oncology is Dr. Quejada's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Quejada is licensed in Illinois.
Specialties and state licenses
- Hematology and oncology, IllinoisPrimary
Hematologists and oncologists near Dr. Quejada
Counts of hematologists and oncologists with a Dmand AI profile, by place and practice. Each opens the list.
563hematologists and oncologists in Illinois26hematologists and oncologists in Evanston22hematologists and oncologists at Evanston Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Maria I. Quejada billed Medicare for 968 services in 2024
CMS data shows 968 Medicare services from Dr. Quejada across 6 procedure codes in 2024, for 337 Medicare patients. Medicare paid $105,844 for them.
Medicare services, 2024968
Medicare patients337
Paid by Medicare$105,844
Procedure codes6
Dr. Quejada's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,0332024: 9686%
Where Dr. Quejada's Medicare services took place, 2024
- In an office242%
- In a facility94498%
Dr. Quejada compared with the Illinois median for hematologists and oncologists, 2024
- Dr. Quejada
- Illinois median
- Medicare services
- 968vs 1,0568% below
- Medicare patients
- 337vs 28220% above
- Part D claims
- 763vs 3282.3 times
Medians across 547 hematologists and oncologists in Illinois with Dmand AI profiles that report each measure.
Dr. Quejada's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Quejada?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Quejada and other hematologists and oncologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Maria I. Quejada treated 337 Medicare patients in 2024, average age 76
CMS counts 337 Medicare patients who saw Dr. Quejada in 2024. The largest group is 75 to 84, with 142 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 9% are also on Medicaid. Their average risk score is 2.01, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Quejada's median patient age at 68, with 74% women.
Medicare patients, 2024337
Average age76
Average risk score2.01
Also on Medicaid9%
Dr. Quejada's Medicare patients by age, 2024
Dr. Quejada's Medicare patients by sex, 2024
- Women24071%
- Men9729%
Chronic conditions among Dr. Quejada's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- Cancer65%
- Arthritis50%
- COPD35%
- Ischemic heart disease34%
- Chronic kidney disease31%
- Anxiety30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Quejada's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women74%
- Men26%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Maria I. Quejada wrote 1,038 Medicare Part D claims in 2024
In 2024, Dr. Quejada wrote 1,038 Medicare Part D claims for 185 patients. 68% of them were for generic drugs. CMS names the drug for 763 of them, across 23 drugs with 11 or more claims each, at $1,254,356 in total drug cost. In 2023, CMS named 699 claims across 21 drugs.
Part D claims, 20241,038
Drugs named by CMS23
Total drug cost$1.3M
Part D patients185
Dr. Quejada's Part D claims by kind of drug, 2024
- Generic710 claims68%
- Brand-name328 claims32%
Dr. Quejada's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Quejada's Part D claims, 2024
- Opioids1%11 of 1,038 claims
- Antibiotics3%29 of 1,038 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 6992024: 7639%
Drugs named by CMS: 23 in 2024, 21 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Maria I. Quejada scored 85 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Dr. Quejada for performance year 2024, reported as part of a group. Dr. Quejada accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Quejada's MIPS scores, performance year 2024
- 85of 100Final score
- 75.9of 100Quality
- 99of 100Promoting Interoperability
- 40of 100Improvement Activities
- 75of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Maria I. Quejada has 1 publication on record
Dmand AI links 1 paper to Dr. Quejada. Dr. Quejada's most frequent co-authors are Savita Bidyasar, MD, Jason K. Boyd, MD and Warren Steven Brenner, MD.
Papers1
Dr. Quejada's most frequent co-authors
- Savita Bidyasar, MD1 shared paper
- Jason K. Boyd, MD1 shared paper
- Warren Steven Brenner, MD1 shared paper
Recent publications by Dr. Quejada
See who Dr. Quejada researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Quejada works with, so you can find a warm path to the right hematologists and oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Maria I. Quejada has worked on 7 clinical trials
Dmand AI links Dr. Quejada to 7 clinical trials, 4 of them phase 3 studies. 6 are still active or recruiting. Conditions studied include Carcinoma, Non-Small-Cell Lung, Carcinoma, Bronchogenic and Lung Neoplasms. National Cancer Institute (NCI) sponsors the most, 5.
Clinical trials with Dr. Quejada by phase
- NonePhase 1: no trials
- 1Phase 2: 1 trial
- 4Phase 3: 4 trials
- NonePhase 4: no trials
Conditions in Dr. Quejada's trials
- Carcinoma, Non-Small-Cell Lung
- Carcinoma, Bronchogenic
- Lung Neoplasms
- Thoracic Neoplasms
Investigators on the most trials with Dr. Quejada
- Marta Batus, MD5 shared trials
- Alexander Bershadskiy, MD5 shared trials
- Nadeem Ikhlaque, MD5 shared trials
Recent clinical trials with Dr. Quejada
An Observational Study Assessing the Clinical Effectiveness of VeriStrat and Validating Immunotherapy Tests in Subjects With Non-Small Cell Lung Cancer (opens in a new tab)
Active, not recruiting
Carcinoma, Non-Small-Cell LungCarcinoma, Bronchogenic
Testing the Timing of Pembrolizumab Alone or With Chemotherapy as First Line Treatment and Maintenance in Non-small Cell Lung Cancer (opens in a new tab)
Active, not recruitingPhase 3
Lung NeoplasmsThoracic NeoplasmsPembrolizumabCarboplatinPemetrexed
Nivolumab After Surgery and Chemotherapy in Treating Patients With Stage IB-IIIA Non-small Cell Lung Cancer (An ALCHEMIST Treatment Trial) (opens in a new tab)
Active, not recruitingPhase 3
Carcinoma, Non-Small-Cell LungCarcinoma, BronchogenicNivolumab
Carcinoma, Non-Small-Cell LungCarcinoma, BronchogenicCrizotinib
Erlotinib Hydrochloride in Treating Patients With Stage IB-IIIA Non-small Cell Lung Cancer That Has Been Completely Removed by Surgery (An ALCHEMIST Treatment Trial) (opens in a new tab)
Active, not recruitingPhase 3
Carcinoma, Non-Small-Cell LungCarcinoma, BronchogenicErlotinib Hydrochloride
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Maria I. Quejada received $5,890 in industry payments from 2016 to 2025
CMS Open Payments shows 107 general payments to Dr. Quejada from 27 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 48% of the total. AstraZeneca Pharmaceuticals LP paid the most, $2,888.
General payments to Dr. Quejada by program year, 2016 to 2025
General payments to Dr. Quejada by kind, 2016 to 2025
$5.9Kin total
- Consulting fees$2,80048%
- Food and beverage$2,18237%
- Travel and lodging$4758%
- Education$4327%
Companies that paid Dr. Quejada the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Maria I. Quejada's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Maria I. Quejada
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Maria I. Quejada's NPI number?
Dr. Maria I. Quejada's NPI number is 1558348722. It was assigned on December 28, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Maria I. Quejada?
Dr. Maria I. Quejada is a hematologist and oncologist in Evanston, Illinois. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Maria I. Quejada practice?
Dr. Quejada practices at 2650 Ridge Ave, Evanston, IL 60201. Dr. Quejada's primary practice is Evanston Hospital in Evanston, Illinois, part of Endeavor Health. Dmand AI also links Dr. Quejada to 2 hospitals, 2 group practices and clinics, 1 home health agency and 1 medical group.
What is Dr. Maria I. Quejada's office phone number?
The practice phone on file for Dr. Quejada is (847) 570-2000.
What is Dr. Maria I. Quejada's medical license number?
Dr. Quejada holds Illinois license 36100626.
Which hospitals is Dr. Maria I. Quejada affiliated with?
Dr. Quejada practices at Evanston Hospital in Evanston, Illinois. Dr. Quejada is also affiliated with Swedish Hospital. Dmand AI links Dr. Quejada to 2 more hospitals.
What medical group is Dr. Maria I. Quejada part of?
Dr. Quejada is linked to Endeavor Health Medical Group. Dmand AI links Dr. Quejada to 1 more medical group.
Does Dr. Maria I. Quejada accept Medicare?
Yes. CMS data shows Dr. Quejada billed Medicare for 968 services in 2024, and Dr. Quejada accepts Medicare assignment.
What is Dr. Maria I. Quejada's MIPS score?
Dr. Quejada's MIPS final score for performance year 2024 is 85 out of 100, reported as part of a group.
How many Medicare patients does Dr. Maria I. Quejada see?
CMS counts 337 Medicare patients who saw Dr. Quejada in 2024, with an average age of 76.
Show 6 more questionsShow fewer questions
What services does Dr. Maria I. Quejada bill to Medicare?
In 2024, Dr. Quejada's most billed Medicare services were office visit, established patient (99215), office visit, established patient (99214) and hospital inpatient care (99232).
What drugs does Dr. Maria I. Quejada prescribe most?
In 2024 Medicare Part D data, Dr. Quejada's most prescribed drugs by claims were Eliquis, Anastrozole and Xarelto.
Has Dr. Maria I. Quejada received payments from drug or device companies?
CMS Open Payments shows $5,890 in general payments to Dr. Quejada from 27 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Maria I. Quejada been practicing?
Dr. Quejada graduated from medical school in 1995, 31 years ago.
Does Dr. Maria I. Quejada do research?
Dmand AI links 1 publication to Dr. Quejada. Dr. Quejada has worked on 7 clinical trials.
Who does Dr. Maria I. Quejada publish with?
Dr. Quejada's most frequent co-authors are Savita Bidyasar, MD (1 shared paper), Jason K. Boyd, MD (1 shared paper) and Warren Steven Brenner, MD (1 shared paper).
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