ChemoradiotherapyChemoradiotherapy, AdjuvantEsophageal Neoplasms
Dr. Nima Nabavizadeh, MD
NPI1538453741PAC ID4587819123
- Medicare services, 2024
- 1,116
- Medicare patients, 2024
- 248
- Part D claims, 2024
- 31
- Publications
- 59
- Clinical trials
- 5
- Practice address
- 3181 SW Sam Jackson Park Road, Portland, OR 97239
- Practice phone
- Call (503) 494-9000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Nabavizadeh'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. Nima Nabavizadeh is a radiation oncologist in Portland, Oregon
Dr. Nabavizadeh practices at OHSU Hospital in Portland, Oregon, part of State of Oregon.
Dr. Nabavizadeh's NPI, 1538453741, was assigned on June 6, 2011. Dr. Nabavizadeh graduated from University of Oklahoma College of Medicine in 2011. Dr. Nabavizadeh holds Oregon license MD173558.
NPI and contact details
- NPI
- 1538453741NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4587819123
- NPI enumeration date
- June 6, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (503) 494-9000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nima Nabavizadeh practices at OHSU Hospital in Portland, Oregon
Dr. Nabavizadeh's primary practice is OHSU Hospital, at 3181 SW Sam Jackson Park Road, Portland, OR 97239 in Multnomah County. The practice phone is (503) 494-9000.
- OHSU Hospital3181 SW Sam Jackson Park Road, Portland, OR 97239 · Multnomah CountyPhone(503) 494-9000
Source: Dmand AI Affiliation Data
Dr. Nima Nabavizadeh is affiliated with 7 sites of care and 4 medical groups
Dr. Nabavizadeh's primary practice is OHSU Hospital in Portland, Oregon, part of State of Oregon. Dr. Nabavizadeh is also affiliated with Hillsboro Medical Center. The medical group on file is Oregon Health & Science University (OHSU). Dmand AI also links Dr. Nabavizadeh to 4 more hospitals, 3 medical groups and 1 clinical lab, each named with a free account.
Hillsboro Medical CenterOregon Health & Science University (OHSU)4 hospitalsNames with a free account3 medical groupsNames with a free account1 clinical labName with a free account
See all 11 affiliations for Dr. NabavizadehSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Nima Nabavizadeh's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nabavizadeh practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| OHSU Hospital | Available with a free account |
| +6 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nima Nabavizadeh is one of 98 radiation oncologists in Oregon
Radiation oncology is Dr. Nabavizadeh's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Nabavizadeh is licensed in Oregon.
Specialties and state licenses
- Radiation oncology, OregonPrimary
Radiation oncologists near Dr. Nabavizadeh
Counts of radiation oncologists with a Dmand AI profile, by place and practice. Each opens the list.
98radiation oncologists in Oregon47radiation oncologists in Portland11radiation oncologists at OHSU Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Nima Nabavizadeh billed Medicare for 1,116 services in 2024
CMS data shows 1,116 Medicare services from Dr. Nabavizadeh across 19 procedure codes in 2024, for 248 Medicare patients. Medicare paid $89,520 for them.
Medicare services, 20241,116
Medicare patients248
Paid by Medicare$89,520
Procedure codes19
Dr. Nabavizadeh's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 9392024: 9754%
- Office and hospital visits
- 2023: 952024: 14148%
Where Dr. Nabavizadeh's Medicare services took place, 2024
- In an office565%
- In a facility1,06095%
Dr. Nabavizadeh compared with the Oregon median for radiation oncologists, 2024
- Dr. Nabavizadeh
- Oregon median
- Medicare services
- 1,116vs 83933% above
- Medicare patients
- 248vs 14077% above
Medians across 99 radiation oncologists in Oregon with Dmand AI profiles that report each measure.
Dr. Nabavizadeh'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nima Nabavizadeh treated 248 Medicare patients in 2024, average age 71
CMS counts 248 Medicare patients who saw Dr. Nabavizadeh in 2024. The largest group is 65 to 74, with 125 patients. 66% of them have high blood pressure, and 55% have high cholesterol. 20% are also on Medicaid. Their average risk score is 2.09, 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. Nabavizadeh's median patient age at 73, with 48% women.
Medicare patients, 2024248
Average age71
Average risk score2.09
Also on Medicaid20%
Dr. Nabavizadeh's Medicare patients by age, 2024
Dr. Nabavizadeh's Medicare patients by sex, 2024
- Women9739%
- Men15161%
Chronic conditions among Dr. Nabavizadeh's Medicare patients, 2024
- High blood pressure66%
- High cholesterol55%
- Cancer52%
- Arthritis28%
- Anxiety25%
- Chronic kidney disease22%
- Mood disorders22%
- Atrial fibrillation21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nabavizadeh's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women48%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Nima Nabavizadeh wrote 31 Medicare Part D claims in 2024
In 2024, Dr. Nabavizadeh wrote 31 Medicare Part D claims for 23 patients. 81% of them were for generic drugs.
Part D claims, 202431
Part D patients23
Dr. Nabavizadeh's Part D claims by kind of drug, 2024
- Generic25 claims81%
- Brand-name and other6 claims19%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Nima Nabavizadeh offers telehealth to Medicare patients
Dr. Nabavizadeh accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Nabavizadeh as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Nima Nabavizadeh has 59 publications on record
Dmand AI links 59 papers to Dr. Nabavizadeh, published from 2011 to 2025. 2019 was the busiest year, with 6. The most frequent topics are Liver Neoplasms, Carcinoma, Hepatocellular and Neoadjuvant Therapy. Dr. Nabavizadeh has published most often in Int J Radiat Oncol Biol Phys. Dr. Nabavizadeh's most frequent co-authors are Adel Kardosh, MD, John Michael Holland, MD and Timur Mitin, MD, PhD.
Papers59
Years published2011 to 2025
Dr. Nabavizadeh's papers by year, 2016 to 2025
Topics Dr. Nabavizadeh writes about most
- Liver Neoplasms
- Carcinoma, Hepatocellular
- Neoadjuvant Therapy
- Radiosurgery
- Chemoradiotherapy
- Esophageal Neoplasms
- Adenocarcinoma
- Antineoplastic Combined Chemotherapy Protocols
Dr. Nabavizadeh's most frequent co-authors
- Adel Kardosh, MD13 shared papers
- John Michael Holland, MD10 shared papers
- Timur Mitin, MD, PhD8 shared papers
Recent publications by Dr. Nabavizadeh
Early Detection of CancerMedical OncologyOncologists
J Gastrointest Surg
AdenocarcinomaEsophageal NeoplasmsEsophagectomy
See who Dr. Nabavizadeh researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Nabavizadeh 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. Nima Nabavizadeh has worked on 5 clinical trials
Dmand AI links Dr. Nabavizadeh to 5 clinical trials, 2 of them phase 2 studies. 3 are still active or recruiting. Conditions studied include Carcinoma, Hepatocellular, Liver Neoplasms and Anal Canal Carcinoma. OHSU Knight Cancer Institute sponsors the most, 3.
Clinical trials with Dr. Nabavizadeh by phase
- 1Phase 1: 1 trial
- 2Phase 2: 2 trials
- 1Phase 3: 1 trial
- NonePhase 4: no trials
Trials with no phase (devices, behavioral studies) are left out.
Conditions in Dr. Nabavizadeh's trials
- Carcinoma, Hepatocellular
- Liver Neoplasms
- Anal Canal Carcinoma
- Pancreatic Intraductal Neoplasms
- Rectal Neoplasms
Investigators on the most trials with Dr. Nabavizadeh
- Michael Lester Haas, MD2 shared trials
- Terence Spencer Herman, MD2 shared trials
- Lorraine Portelance, MD2 shared trials
Recent clinical trials with Dr. Nabavizadeh
A Randomized Phase II Study of De-Intensified ChemoRadiation for Early-Stage Anal Squamous Cell Carcinoma (DECREASE) (opens in a new tab)
Active, not recruitingPhase 2
Anal Canal CarcinomaAnus NeoplasmsCapecitabineFluorouracilMitomycin
Carcinoma, HepatocellularLiver NeoplasmsStereotactic Body Radiation Therapy
Phase 1b Study to Assess the Safety of Neoadjuvant TAS-102 (Trifluridine/Tipiracil) With Concurrent Radiation in Previously Untreated Resectable Stage II and Stage III Rectal Cancer (FIERCE) (opens in a new tab)
Active, not recruitingPhase 1
Rectal NeoplasmsRectal DiseasesTrifluridine and Tipiracil Hydrochloride3-Dimensional Conformal Radiation TherapyIntensity-Modulated Radiation Therapy
Carcinoma, HepatocellularLiver NeoplasmsStereotactic Body Radiation Therapy
Pancreatic Intraductal NeoplasmsNeoplasms, Ductal, Lobular, and MedullaryCapecitabineChemotherapyErlotinib Hydrochloride
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Nima Nabavizadeh received $5,274 in industry payments from 2016 to 2025
CMS Open Payments shows 12 general payments to Dr. Nabavizadeh from 6 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 28% of the total. Roche Molecular Systems, Inc. paid the most, $3,595.
General payments to Dr. Nabavizadeh by program year, 2016 to 2025
General payments to Dr. Nabavizadeh by kind, 2016 to 2025
$5.3Kin total
- Speaker and faculty fees$1,50028%
- Travel and lodging$1,09221%
- Honoraria$1,00019%
- Education$85016%
- Food and beverage$83316%
Companies that paid Dr. Nabavizadeh the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Nima Nabavizadeh graduated from University of Oklahoma College of Medicine
Dr. Nabavizadeh graduated from University of Oklahoma College of Medicine in 2011.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Nima Nabavizadeh'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 (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) |
| 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) |
| 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. Nima Nabavizadeh
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. Nima Nabavizadeh's NPI number?
Dr. Nima Nabavizadeh's NPI number is 1538453741. It was assigned on June 6, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Nima Nabavizadeh?
Dr. Nima Nabavizadeh is a radiation oncologist in Portland, Oregon. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).
Where does Dr. Nima Nabavizadeh practice?
Dr. Nabavizadeh practices at 3181 SW Sam Jackson Park Road, Portland, OR 97239. Dr. Nabavizadeh's primary practice is OHSU Hospital in Portland, Oregon, part of State of Oregon. Dmand AI also links Dr. Nabavizadeh to 4 hospitals, 3 medical groups and 1 clinical lab.
What is Dr. Nima Nabavizadeh's office phone number?
The practice phone on file for Dr. Nabavizadeh is (503) 494-9000.
What is Dr. Nima Nabavizadeh's medical license number?
Dr. Nabavizadeh holds Oregon license MD173558.
Which hospitals is Dr. Nima Nabavizadeh affiliated with?
Dr. Nabavizadeh practices at OHSU Hospital in Portland, Oregon. Dr. Nabavizadeh is also affiliated with Hillsboro Medical Center. Dmand AI links Dr. Nabavizadeh to 4 more hospitals.
What medical group is Dr. Nima Nabavizadeh part of?
Dr. Nabavizadeh is linked to Oregon Health & Science University (OHSU). Dmand AI links Dr. Nabavizadeh to 3 more medical groups.
Does Dr. Nima Nabavizadeh accept Medicare?
Yes. CMS data shows Dr. Nabavizadeh billed Medicare for 1,116 services in 2024, and Dr. Nabavizadeh accepts Medicare assignment.
Does Dr. Nima Nabavizadeh offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Nabavizadeh as offering telehealth services.
How many Medicare patients does Dr. Nima Nabavizadeh see?
CMS counts 248 Medicare patients who saw Dr. Nabavizadeh in 2024, with an average age of 71.
Show 6 more questionsShow fewer questions
What services does Dr. Nima Nabavizadeh bill to Medicare?
In 2024, Dr. Nabavizadeh's most billed Medicare services were radiation oncology (77014), radiation oncology (77300) and radiation oncology (77334).
Where did Dr. Nima Nabavizadeh go to medical school?
Dr. Nabavizadeh graduated from University of Oklahoma College of Medicine in 2011.
Has Dr. Nima Nabavizadeh received payments from drug or device companies?
CMS Open Payments shows $5,274 in general payments to Dr. Nabavizadeh from 6 companies from 2016 to 2025. The largest total came from Roche Molecular Systems, Inc.
How long has Dr. Nima Nabavizadeh been practicing?
Dr. Nabavizadeh graduated from medical school in 2011, 15 years ago.
Does Dr. Nima Nabavizadeh do research?
Dmand AI links 59 publications to Dr. Nabavizadeh, published from 2011 to 2025. Dr. Nabavizadeh has worked on 5 clinical trials.
Who does Dr. Nima Nabavizadeh publish with?
Dr. Nabavizadeh's most frequent co-authors are Adel Kardosh, MD (13 shared papers), John Michael Holland, MD (10 shared papers) and Timur Mitin, MD, PhD (8 shared papers).
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