Dr. James E. Thompson, MD
- Medicare services, 2024
- 217
- Medicare patients, 2024
- 85
- Part D claims, 2024
- 665
- Hospital affiliations
- 1
- Industry payments
- $445
- Practice address
- 344 S Hauser Blvd, Los Angeles, CA 90036
- Practice phone
- Call (716) 845-2300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Roswell Park Cancer Institute
Los Angeles, California
Find Dr. Thompson'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. James E. Thompson is a hematologist and oncologist in Los Angeles, California
Dr. Thompson practices at Roswell Park Cancer Institute in Los Angeles, California.
Dr. Thompson's NPI, 1568405868, was assigned on June 14, 2006. Dr. Thompson graduated from Columbia University College of Physicians and Surgeons in 1997. Dr. Thompson holds New York license 251088.
- NPI
- 1568405868NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5890859243
- NPI enumeration date
- June 14, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (716) 845-2300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James E. Thompson practices at Roswell Park Cancer Institute in Los Angeles, California
Dr. Thompson's primary practice is Roswell Park Cancer Institute, at 344 S Hauser Blvd, Los Angeles, CA 90036 in Los Angeles County. The practice phone is (716) 845-2300.
- Roswell Park Cancer Institute344 S Hauser Blvd, Los Angeles, CA 90036 · Los Angeles CountyPhone(716) 845-2300
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. James E. Thompson is affiliated with 3 sites of care and 1 medical group
Dr. Thompson's primary practice is Roswell Park Cancer Institute in Los Angeles, California. Dr. Thompson is also affiliated with Roswell Park Comprehensive Cancer Center. The medical group on file is Roswell Park Comprehensive Cancer Center. Dmand AI also links Dr. Thompson to 1 more home health agency, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. James E. Thompson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Thompson practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Roswell Park Cancer Institute | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. James E. Thompson is one of 1,502 hematologists and oncologists in California
Hematology and oncology is Dr. Thompson's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Thompson is licensed in New York.
Specialties and state licenses
- Hematology and oncology, New YorkPrimary
Hematologists and oncologists near Dr. Thompson
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. James E. Thompson billed Medicare for 217 services in 2024
CMS data shows 217 Medicare services from Dr. Thompson across 6 procedure codes in 2024, for 85 Medicare patients. Medicare paid $13,807 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Thompson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1022024: 20298%
- Surgery
- 2023: 292024: 1548%
Dr. Thompson compared with the California median for hematologists and oncologists, 2024
- Dr. Thompson
- California median
- Medicare services
- 217vs 93277% below
- Medicare patients
- 85vs 22562% below
- Part D claims
- 589vs 39449% above
Medians across 1,367 hematologists and oncologists in California with Dmand AI profiles that report each measure.
Dr. Thompson'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Thompson and other hematologists and oncologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. James E. Thompson treated 85 Medicare patients in 2024, average age 71
CMS counts 85 Medicare patients who saw Dr. Thompson in 2024. The largest group is 65 to 74, with 35 patients. 75% of them have high blood pressure, and 67% have high cholesterol. 29% are also on Medicaid. Their average risk score is 3.26, 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. Thompson's median patient age at 71, with 51% women.
Dr. Thompson's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Thompson's Medicare patients by sex, 2024
- Women4148%
- Men4452%
Chronic conditions among Dr. Thompson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol67%
- Arthritis44%
- Chronic kidney disease38%
- Mood disorders33%
- Anxiety31%
- Depression29%
- Diabetes29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Thompson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women51%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. James E. Thompson wrote 665 Medicare Part D claims in 2024
In 2024, Dr. Thompson wrote 665 Medicare Part D claims for 103 patients. 38% of them were for generic drugs. CMS names the drug for 589 of them, across 14 drugs with 11 or more claims each, at $5,660,043 in total drug cost. In 2023, CMS named 460 claims across 11 drugs.
Dr. Thompson's Part D claims by kind of drug, 2024
- Generic253 claims38%
- Brand-name412 claims62%
Dr. Thompson'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4602024: 58928%
Drugs named by CMS: 14 in 2024, 11 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. James E. Thompson offers telehealth to Medicare patients
Dr. Thompson accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Thompson as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. James E. Thompson received $445 in industry payments from 2018 to 2025
CMS Open Payments shows 7 general payments to Dr. Thompson from 6 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 90% of the total. Novartis Pharmaceuticals Corporation paid the most, $172.
General payments to Dr. Thompson by program year, 2018 to 2025
General payments to Dr. Thompson by kind, 2018 to 2025
- Food and beverage$40290%
- Education$4310%
Companies that paid Dr. Thompson the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. James E. Thompson graduated from Columbia University College of Physicians and Surgeons
Dr. Thompson graduated from Columbia University College of Physicians and Surgeons in 1997.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. James E. Thompson'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 |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. James E. Thompson
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. James E. Thompson's NPI number?
Dr. James E. Thompson's NPI number is 1568405868. It was assigned on June 14, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. James E. Thompson?
Dr. James E. Thompson is a hematologist and oncologist in Los Angeles, California. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. James E. Thompson practice?
Dr. Thompson practices at 344 S Hauser Blvd, Los Angeles, CA 90036. Dr. Thompson's primary practice is Roswell Park Cancer Institute in Los Angeles, California. Dmand AI also links Dr. Thompson to 1 home health agency.
What is Dr. James E. Thompson's office phone number?
The practice phone on file for Dr. Thompson is (716) 845-2300.
What is Dr. James E. Thompson's medical license number?
Dr. Thompson holds New York license 251088.
Which hospitals is Dr. James E. Thompson affiliated with?
Dr. Thompson is affiliated with Roswell Park Comprehensive Cancer Center.
What medical group is Dr. James E. Thompson part of?
Dr. Thompson is linked to Roswell Park Comprehensive Cancer Center.
Does Dr. James E. Thompson accept Medicare?
Yes. CMS data shows Dr. Thompson billed Medicare for 217 services in 2024, and Dr. Thompson accepts Medicare assignment.
Does Dr. James E. Thompson offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Thompson as offering telehealth services.
How many Medicare patients does Dr. James E. Thompson see?
CMS counts 85 Medicare patients who saw Dr. Thompson in 2024, with an average age of 71.
Show 5 more questionsShow fewer questions
What services does Dr. James E. Thompson bill to Medicare?
In 2024, Dr. Thompson's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99231) and office visit, established patient (99214).
Where did Dr. James E. Thompson go to medical school?
Dr. Thompson graduated from Columbia University College of Physicians and Surgeons in 1997.
What drugs does Dr. James E. Thompson prescribe most?
In 2024 Medicare Part D data, Dr. Thompson's most prescribed drugs by claims were Imatinib Mesylate, Sprycel and Hydroxyurea.
Has Dr. James E. Thompson received payments from drug or device companies?
CMS Open Payments shows $445 in general payments to Dr. Thompson from 6 companies from 2018 to 2025. The largest total came from Novartis Pharmaceuticals Corporation.
How long has Dr. James E. Thompson been practicing?
Dr. Thompson graduated from medical school in 1997, 29 years ago.
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