Hematol Oncol Clin North Am
Antineoplastic AgentsImmunotherapy, AdoptiveMultiple Myeloma
Dr. Alexander K. Stewart, MD
NPI1346223013
- Medicare services, 2020
- 79
- Part D claims, 2020
- 93
- Publications
- 6
- Clinical trials
- 1
- Industry payments
- $368,487
- Practice address
- 9500 Euclid Ave, Cleveland, OH 44106
- Practice phone
- Call (480) 301-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Stewart's professional email, personal email and mobile number
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Dr. Alexander K. Stewart is a hematologist and oncologist in Cleveland, Ohio
Dr. Stewart practices in Cleveland, Ohio.
Dr. Stewart's NPI, 1346223013, was assigned on November 27, 2005. Dr. Stewart holds Arizona license 34437.
NPI and contact details
- NPI
- 1346223013NPI Registry (opens in a new tab)
- NPI enumeration date
- November 27, 2005
- NPI status
- Active
- Practice phone
- (480) 301-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Alexander K. Stewart's practice address is in Cleveland, Ohio
Dr. Stewart's practice address in the NPI Registry is 9500 Euclid Ave, Cleveland, OH 44106, in Cuyahoga County. The practice phone is (480) 301-8000.
- NPI Registry address9500 Euclid Ave, Cleveland, OH 44106 · Cuyahoga CountyPhone(480) 301-8000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Alexander K. Stewart's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Stewart practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Stewart's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Alexander K. Stewart is one of 460 hematologists and oncologists in Ohio
Hematology and oncology is Dr. Stewart's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dmand AI has Dr. Stewart's licenses on file in 2 states: Arizona and Minnesota.
Specialties and state licenses
- Hematology and oncology, ArizonaPrimary
- Minnesota license
Hematologists and oncologists near Dr. Stewart
Counts of hematologists and oncologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Alexander K. Stewart billed Medicare for 79 services in 2020
CMS data shows 79 Medicare services from Dr. Stewart across 3 procedure codes in 2020, all of them office visits. Medicare paid $5,314 for them. Every service was in an office.
Medicare services, 202079
Paid by Medicare$5,314
Procedure codes3
Dr. Stewart's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 2872020: 7972%
- Drugs given in the office
- 2019: 1,7442020: 0100%
- Tests and treatments
- 2019: 1522020: 0100%
Dr. Stewart compared with the Ohio median for hematologists and oncologists, 2020
- Dr. Stewart
- Ohio median
- Medicare services
- 79vs 62687% below
- Part D claims
- 93vs 47881% below
Medians across 452 hematologists and oncologists in Ohio with Dmand AI profiles that report each measure.
Dr. Stewart's most billed Medicare procedure codes, 2020
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Stewart and other hematologists and oncologists in Ohio.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Alexander K. Stewart's patients have a median age of 79
Across all payers, Dmand AI patient panel data puts Dr. Stewart's median patient age at 79, with 25% women.
Dr. Stewart's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 79
Patient panel by sex, all payers
- Women25%
- Men75%
Source: Dmand AI Patient Panel Data
Dr. Alexander K. Stewart wrote 93 Medicare Part D claims in 2020
In 2020, Dr. Stewart wrote 93 Medicare Part D claims. Every claim was for a generic drug. They cover 5 drugs, with $218,499 in total drug cost. In 2019, CMS named 264 claims across 11 drugs.
Part D claims, 202093
Drugs named by CMS5
Total drug cost$218,499
Dr. Stewart's most prescribed drugs by claims, 2020
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 2642020: 9365%
Drugs named by CMS: 5 in 2020, 11 in 2019.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Alexander K. Stewart has 6 publications on record
Dmand AI links 6 papers to Dr. Stewart, published from 2012 to 2024. The most frequent topics are Multiple Myeloma. Dr. Stewart's most frequent co-authors are Bart Barlogie, MD, John J. Crowley and Angela Dispenzieri, MD.
Papers6
Years published2012 to 2024
Dr. Stewart's papers by year, 2012 to 2024
Topics Dr. Stewart writes about most
- Multiple Myeloma
Dr. Stewart's most frequent co-authors
Recent publications by Dr. Stewart
Expert Rev Hematol
Antibodies, MonoclonalGenome, HumanG-Protein-Coupled Receptor Kinases
BiopsyData AnalysisGene Library
See who Dr. Stewart researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Stewart 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. Alexander K. Stewart has worked on 1 clinical trial
Dmand AI links Dr. Stewart to 1 clinical trial. 1 is still active or recruiting. Conditions studied include Multiple Myeloma and Blood Protein Disorders.
Conditions in Dr. Stewart's trials
- Multiple Myeloma
- Blood Protein Disorders
Investigators on the most trials with Dr. Stewart
- Bruce J. Averbook, MD1 shared trial
- Natalie S. Callander, MD1 shared trial
- Saeeda Kirmani, MD1 shared trial
Recent clinical trials with Dr. Stewart
Melphalan, Prednisone, and Thalidomide or Lenalidomide in Treating Patients With Newly Diagnosed Multiple Myeloma (opens in a new tab)
Active, not recruitingPhase 3
Multiple MyelomaBlood Protein DisordersLenalidomideMelphalanPrednisone
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Alexander K. Stewart received $368,487 in industry payments from 2016 to 2021
CMS Open Payments shows 204 general payments to Dr. Stewart from 14 drug and device companies from 2016 to 2021. Consulting fees make up the largest share, 50% of the total. Amgen Inc. paid the most, $148,942. It also lists 1 research payment totaling $76 in 2016.
General payments to Dr. Stewart by program year, 2016 to 2021
General payments to Dr. Stewart by kind, 2016 to 2021
$368.5Kin total
- Consulting fees$183,99850%
- Travel and lodging$94,17826%
- Speaker and faculty fees$75,57621%
- Honoraria$7,0002%
- Other$7,7182%
Companies that paid Dr. Stewart the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Alexander K. Stewart'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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. Alexander K. Stewart
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. Alexander K. Stewart's NPI number?
Dr. Alexander K. Stewart's NPI number is 1346223013. It was assigned on November 27, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Alexander K. Stewart?
Dr. Alexander K. Stewart is a hematologist and oncologist in Cleveland, Ohio. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Alexander K. Stewart practice?
Dr. Stewart practices at 9500 Euclid Ave, Cleveland, OH 44106.
What is Dr. Alexander K. Stewart's office phone number?
The practice phone on file for Dr. Stewart is (480) 301-8000.
What is Dr. Alexander K. Stewart's medical license number?
Dr. Stewart holds Arizona license 34437, one of the licenses on file in 2 states.
Which states has Dr. Alexander K. Stewart been licensed in?
Dmand AI has state licenses on file for Dr. Stewart in Arizona and Minnesota.
Does Dr. Alexander K. Stewart accept Medicare?
Yes. CMS data shows Dr. Stewart billed Medicare for 79 services in 2020.
What services does Dr. Alexander K. Stewart bill to Medicare?
In 2020, Dr. Stewart's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99215) and office visit, established patient (99213).
What drugs does Dr. Alexander K. Stewart prescribe most?
In 2020 Medicare Part D data, Dr. Stewart's most prescribed drugs by claims were Acyclovir, Gabapentin and Oxycodone HCl.
Has Dr. Alexander K. Stewart received payments from drug or device companies?
CMS Open Payments shows $368,487 in general payments to Dr. Stewart from 14 companies from 2016 to 2021. The largest total came from Amgen Inc.
Show 3 more questionsShow fewer questions
How long has Dr. Alexander K. Stewart been practicing?
Dr. Stewart's NPI was assigned in 2005.
Does Dr. Alexander K. Stewart do research?
Dmand AI links 6 publications to Dr. Stewart, published from 2012 to 2024. Dr. Stewart has worked on 1 clinical trial.
Who does Dr. Alexander K. Stewart publish with?
Dr. Stewart's most frequent co-authors are Bart Barlogie, MD (1 shared paper), John J. Crowley (1 shared paper) and Angela Dispenzieri, MD (1 shared paper).
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