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Dr. Rex Hoffman, MD
NPI1497739650
- Medicare services, 2018
- 2,563
- Part D claims, 2018
- 36
- Publications
- 2
- Industry payments
- $2,490
- Insurance carriers
- 6
- Practice address
- CA
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
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Dr. Rex Hoffman is a radiation oncologist in California
Dr. Hoffman practices in California.
Dr. Hoffman's NPI, 1497739650, was assigned on December 1, 2005. Dr. Hoffman graduated from Tulane School of Medicine in 1996. Dr. Hoffman holds California license A65450.
NPI and contact details
- NPI
- 1497739650NPI Registry (opens in a new tab)
- NPI enumeration date
- December 1, 2005
- NPI status
- Active
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dmand AI tracks the EHR system at Dr. Rex Hoffman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hoffman practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Hoffman's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Rex Hoffman is one of 685 radiation oncologists in California
Radiation oncology is Dr. Hoffman's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Hoffman is licensed in California.
Specialties and state licenses
- Radiation oncology, CaliforniaPrimary
Radiation oncologists near Dr. Hoffman
Counts of radiation 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. Rex Hoffman billed Medicare for 2,563 services in 2018
CMS data shows 2,563 Medicare services from Dr. Hoffman across 16 procedure codes in 2018. Medicare paid $173,990 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 20182,563
Paid by Medicare$173,990
Procedure codes16
Dr. Hoffman's Medicare services by type, 2017 to 2018
- 2017
- 2018
- Imaging
- 2017: 2,5902018: 2,26912%
- Office and hospital visits
- 2017: 3742018: 29421%
Dr. Hoffman compared with the California median for radiation oncologists, 2018
- Dr. Hoffman
- California median
- Medicare services
- 2,563vs 1,44477% above
- Part D claims
- 36vs 3213% above
Medians across 633 radiation oncologists in California with Dmand AI profiles that report each measure.
Dr. Hoffman's most billed Medicare procedure codes, 2018
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. Hoffman?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hoffman and other radiation oncologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Rex Hoffman's patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Dr. Hoffman's median patient age at 69, with 100% women.
Dr. Hoffman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Rex Hoffman wrote 36 Medicare Part D claims in 2018
In 2018, Dr. Hoffman wrote 36 Medicare Part D claims. They cover 3 drugs, with $298 in total drug cost. In 2017, CMS named 70 claims across 5 drugs.
Part D claims, 201836
Drugs named by CMS3
Total drug cost$298
Dr. Hoffman's most prescribed drugs by claims, 2018
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, 2017 to 2018
- 2017
- 2018
- Claims for drugs CMS names
- 2017: 702018: 3649%
Drugs named by CMS: 3 in 2018, 5 in 2017.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Rex Hoffman has 2 publications on record
Dmand AI links 2 papers to Dr. Hoffman. Dr. Hoffman's most frequent co-authors are I-Chow Joe Hsu, MD and Jeanne M. Quivey, MD.
Papers2
Dr. Hoffman's most frequent co-authors
Recent publications by Dr. Hoffman
See who Dr. Hoffman researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hoffman works with, so you can find a warm path to the right radiation oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Rex Hoffman received $2,490 in industry payments from 2016 to 2024
CMS Open Payments shows 41 general payments to Dr. Hoffman from 16 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 83% of the total. Intuitive Surgical, Inc. paid the most, $1,366.
General payments to Dr. Hoffman by program year, 2016 to 2024
General payments to Dr. Hoffman by kind, 2016 to 2024
$2.5Kin total
- Food and beverage$2,07883%
- Travel and lodging$41217%
Companies that paid Dr. Hoffman the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Rex Hoffman graduated from Tulane School of Medicine
Dr. Hoffman graduated from Tulane School of Medicine in 1996. Dr. Hoffman is a member of ASCO.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Rex Hoffman accepts plans from 6 insurance carriers
Dr. Hoffman is in network with 6 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.
- United Healthcare
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- Elevance
- HCSC
- Molina
Plan types Dr. Hoffman accepts, by number of carriers
- PPO3
- Medicare2
- POS2
- EPO1
- HMO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Rex Hoffman'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 |
| 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 |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Rex Hoffman
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. Rex Hoffman's NPI number?
Dr. Rex Hoffman's NPI number is 1497739650. It was assigned on December 1, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Rex Hoffman?
Dr. Rex Hoffman is a radiation oncologist in California. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).
What is Dr. Rex Hoffman's medical license number?
Dr. Hoffman holds California license A65450.
Does Dr. Rex Hoffman accept Medicare?
Yes. CMS data shows Dr. Hoffman billed Medicare for 2,563 services in 2018.
What services does Dr. Rex Hoffman bill to Medicare?
In 2018, Dr. Hoffman's most billed Medicare services were radiation oncology (77014), radiation oncology (77427) and radiation oncology (77300).
Where did Dr. Rex Hoffman go to medical school?
Dr. Hoffman graduated from Tulane School of Medicine in 1996.
What drugs does Dr. Rex Hoffman prescribe most?
In 2018 Medicare Part D data, Dr. Hoffman's most prescribed drugs by claims were Zolpidem Tartrate, Tamsulosin HCl and Acetaminophen-Codeine.
Has Dr. Rex Hoffman received payments from drug or device companies?
CMS Open Payments shows $2,490 in general payments to Dr. Hoffman from 16 companies from 2016 to 2024. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Rex Hoffman been practicing?
Dr. Hoffman graduated from medical school in 1996, 30 years ago.
Does Dr. Rex Hoffman do research?
Dmand AI links 2 publications to Dr. Hoffman.
Who does Dr. Rex Hoffman publish with?
Dr. Hoffman's most frequent co-authors are I-Chow Joe Hsu, MD (1 shared paper) and Jeanne M. Quivey, MD (1 shared paper).
What insurance does Dr. Rex Hoffman accept?
Dr. Hoffman is in network with 6 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.
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