Dr. Siavash Md Jabbari, MD

  • San Diego, CA
  • Radiation oncologist
NPI1720314107PAC ID7911192414
Medicare services, 2024
1,267
Medicare patients, 2024
131
Part D claims, 2024
98
Publications
18
Clinical trials
3
Practice address
7901 Frost St, San Diego, CA 92123
Practice phone
Call (858) 939-3400
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Sharp Memorial Hospital

Hospital · San Diego, California

See all 4 affiliations

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Dr. Siavash Md Jabbari is a radiation oncologist in San Diego, California

Dr. Jabbari practices at Sharp Memorial Hospital in San Diego, California, part of Sharp HealthCare.

Dr. Jabbari's NPI, 1720314107, was assigned on October 20, 2009. Dr. Jabbari graduated from University Of Michigan Medical School in 2005. Dr. Jabbari holds California license A99269.

NPI and contact details
Medicare PAC ID
7911192414
NPI enumeration date
October 20, 2009
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(858) 939-3400
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
47
Medical school graduation
2005

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Siavash Md Jabbari practices at Sharp Memorial Hospital in San Diego, California

Dr. Jabbari's primary practice is Sharp Memorial Hospital, at 7901 Frost St, San Diego, CA 92123 in San Diego County. The practice phone is (858) 939-3400.

Source: Dmand AI Affiliation Data

Dr. Siavash Md Jabbari is affiliated with 3 sites of care and 1 medical group

Dr. Jabbari's primary practice is Sharp Memorial Hospital in San Diego, California, part of Sharp HealthCare. Dr. Jabbari is also affiliated with Sharp Chula Vista Medical Center. The medical group on file is X-Ray Medical Group, Inc. Dmand AI also links Dr. Jabbari to 1 more hospital, named with a free account.

See all 4 affiliations for Dr. Jabbari

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Siavash Md Jabbari's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Jabbari practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Sharp Memorial HospitalAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Siavash Md Jabbari is one of 685 radiation oncologists in California

Radiation oncology is Dr. Jabbari's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Jabbari is board certified in radiation oncology by the American Board of Radiology. Dmand AI has Dr. Jabbari's licenses on file in 2 states: California and Illinois.

Specialties and state licenses

  • Radiation oncology, CaliforniaPrimaryLicense A99269 · 2007 to 2026 · taxonomy 2085R0001X
  • Illinois license2005 to 2017

Clinical focus

Dmand AI lists bone cancer radiation, brain cancer radiation, breast cancer radiation, cancer radiation-upper GI, cervical cancer radiation, head & neck cancer radiation, lung cancer radiation and prostate cancer radiation among the conditions Dr. Jabbari treats.

Radiation oncologists near Dr. Jabbari

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. Siavash Md Jabbari billed Medicare for 1,267 services in 2024

CMS data shows 1,267 Medicare services from Dr. Jabbari across 16 procedure codes in 2024, for 131 Medicare patients. Medicare paid $100,655 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 20241,267
Medicare patients131
Paid by Medicare$100,655
Procedure codes16

Dr. Jabbari's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Imaging
2023: 9702024: 1,09613%
Office and hospital visits
2023: 1532024: 17112%

Dr. Jabbari compared with the California median for radiation oncologists, 2024

  • Dr. Jabbari
  • California median
Medicare services
1,267vs 1,44412% below
Medicare patients
131vs 16420% below
Part D claims
35vs 329% above

Medians across 633 radiation oncologists in California with Dmand AI profiles that report each measure.

Dr. Jabbari'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.

See all procedures by Dr. Jabbari

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Jabbari and other radiation oncologists in California.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Siavash Md Jabbari treated 131 Medicare patients in 2024, average age 74

CMS counts 131 Medicare patients who saw Dr. Jabbari in 2024. The largest group is 65 to 74, with 56 patients. 74% of them have high blood pressure, and 66% have high cholesterol. 15% are also on Medicaid. Their average risk score is 1.58, 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. Jabbari's median patient age at 69, with 38% women.

Medicare patients, 2024131
Average age74
Average risk score1.58
Also on Medicaid15%

Dr. Jabbari's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Jabbari's Medicare patients by sex, 2024

  • Women5441%
  • Men7759%

Chronic conditions among Dr. Jabbari's Medicare patients, 2024

  1. High blood pressure74%
  2. High cholesterol66%
  3. Cancer65%
  4. Arthritis44%
  5. Ischemic heart disease34%
  6. Diabetes27%
  7. Chronic kidney disease26%
  8. Atrial fibrillation18%

Share of Medicare patients with each condition. A patient can have several.

Dr. Jabbari'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

  • Women38%
  • Men61%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Siavash Md Jabbari wrote 98 Medicare Part D claims in 2024

In 2024, Dr. Jabbari wrote 98 Medicare Part D claims for 33 patients. 98% of them were for generic drugs. CMS names the drug for 35 of them, across 2 drugs with 11 or more claims each, at $430 in total drug cost. In 2022, CMS named 12 claims across 1 drug.

Part D claims, 202498
Drugs named by CMS2
Total drug cost$430
Part D patients33

Dr. Jabbari's Part D claims by kind of drug, 2024

  • Generic96 claims98%
  • Brand-name and other2 claims2%

Dr. Jabbari'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, 2022 to 2024

  • 2022
  • 2024
Claims for drugs CMS names
2022: 122024: 35192%

Drugs named by CMS: 2 in 2024, 1 in 2022.

See all prescribing by Dr. Jabbari

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

How Dr. Siavash Md Jabbari takes part in Medicare

Dr. Jabbari accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Siavash Md Jabbari has 18 publications on record

Dmand AI links 18 papers to Dr. Jabbari, published from 2005 to 2011. 2005 was the busiest year, with 2. The most frequent topics are Radiosurgery, Head and Neck Neoplasms and Radiotherapy Dosage. Dr. Jabbari has published most often in Int J Radiat Oncol Biol Phys. Dr. Jabbari's most frequent co-authors are Johnny R. Bernard, MD, Carol R. Bradford, MD and Douglas B. Chepeha, MD.

Papers18
Years published2005 to 2011

Dr. Jabbari's papers by year, 2005 to 2011

Topics Dr. Jabbari writes about most

  • Radiosurgery
  • Head and Neck Neoplasms
  • Radiotherapy Dosage
  • Brachytherapy
  • Disease Progression
  • Internship and Residency
  • Prostatic Neoplasms
  • Radiation Oncology

Dr. Jabbari's most frequent co-authors

Recent publications by Dr. Jabbari

See all 18 publications and co-authors

See who Dr. Jabbari researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Jabbari works with, so you can find a warm path to the right radiation oncologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Siavash Md Jabbari has worked on 3 clinical trials

Dmand AI links Dr. Jabbari to 3 clinical trials. 1 is still active or recruiting. Conditions studied include Brain Neoplasms, Glioblastoma and Prostatic Neoplasms.

Conditions in Dr. Jabbari's trials

  • Brain Neoplasms
  • Glioblastoma
  • Prostatic Neoplasms
  • Astrocytoma
  • Central Nervous System Neoplasms

Investigators on the most trials with Dr. Jabbari

Recent clinical trials with Dr. Jabbari

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Siavash Md Jabbari received $23,617 in industry payments from 2016 to 2025

CMS Open Payments shows 72 general payments to Dr. Jabbari from 10 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 66% of the total. Medtronic Vascular, Inc. paid the most, $21,270.

General payments to Dr. Jabbari by program year, 2016 to 2025

General payments to Dr. Jabbari by kind, 2016 to 2025

$23.6Kin total
  • Speaker and faculty fees$15,65066%
  • Travel and lodging$4,58019%
  • Food and beverage$3,38114%
  • Education$60%

Companies that paid Dr. Jabbari the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Jabbari

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Siavash Md Jabbari graduated from University Of Michigan Medical School

Dr. Jabbari graduated from University Of Michigan Medical School in 2005.

  1. Medical schoolUniversity Of Michigan Medical School
  2. Board certified in radiation oncologyAmerican Board of Radiology

Source: Dmand AI Professional Profile Data

Dr. Siavash Md Jabbari accepts plans from 10 insurance carriers

Dr. Jabbari is in network with 10 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

  • Aetna
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • Blue Cross Blue Shield of Michigan
  • HCSC
  • Molina
  • Aspirus Health Plan
  • Blue Cross and Blue Shield of Kansas City
  • +2 more carriersWith a free account

Plan types Dr. Jabbari accepts, by number of carriers

  1. Medicare6
  2. PPO6
  3. HMO3
  4. POS3
  5. EPO2

Source: Dmand AI Insurance Network Data

Sources for Dr. Siavash Md Jabbari's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Siavash Md Jabbari

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. Siavash Md Jabbari's NPI number?

Dr. Siavash Md Jabbari's NPI number is 1720314107. It was assigned on October 20, 2009, and it is active in the NPI Registry.

What kind of doctor is Dr. Siavash Md Jabbari?

Dr. Siavash Md Jabbari is a radiation oncologist in San Diego, California. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).

Where does Dr. Siavash Md Jabbari practice?

Dr. Jabbari practices at 7901 Frost St, San Diego, CA 92123. Dr. Jabbari's primary practice is Sharp Memorial Hospital in San Diego, California, part of Sharp HealthCare. Dmand AI also links Dr. Jabbari to 1 hospital.

What is Dr. Siavash Md Jabbari's office phone number?

The practice phone on file for Dr. Jabbari is (858) 939-3400.

What is Dr. Siavash Md Jabbari's medical license number?

Dr. Jabbari holds California license A99269, one of the licenses on file in 2 states.

Which states has Dr. Siavash Md Jabbari been licensed in?

Dmand AI has state licenses on file for Dr. Jabbari in California (2007 to 2026) and Illinois (2005 to 2017).

Which hospitals is Dr. Siavash Md Jabbari affiliated with?

Dr. Jabbari practices at Sharp Memorial Hospital in San Diego, California. Dr. Jabbari is also affiliated with Sharp Chula Vista Medical Center. Dmand AI links Dr. Jabbari to 1 more hospital.

What medical group is Dr. Siavash Md Jabbari part of?

Dr. Jabbari is linked to X-Ray Medical Group, Inc.

Does Dr. Siavash Md Jabbari accept Medicare?

Yes. CMS data shows Dr. Jabbari billed Medicare for 1,267 services in 2024, and Dr. Jabbari accepts Medicare assignment.

How many Medicare patients does Dr. Siavash Md Jabbari see?

CMS counts 131 Medicare patients who saw Dr. Jabbari in 2024, with an average age of 74.

Show 9 more questionsShow fewer questions

Is Dr. Siavash Md Jabbari board certified?

Yes. Dr. Jabbari is board certified in radiation oncology by the American Board of Radiology.

What services does Dr. Siavash Md Jabbari bill to Medicare?

In 2024, Dr. Jabbari's most billed Medicare services were radiation oncology (77014), radiation oncology (77300) and radiation oncology (77427).

Where did Dr. Siavash Md Jabbari go to medical school?

Dr. Jabbari graduated from University Of Michigan Medical School in 2005.

What drugs does Dr. Siavash Md Jabbari prescribe most?

In 2024 Medicare Part D data, Dr. Jabbari's most prescribed drugs by claims were Tamsulosin HCl and Dexamethasone.

Has Dr. Siavash Md Jabbari received payments from drug or device companies?

CMS Open Payments shows $23,617 in general payments to Dr. Jabbari from 10 companies from 2016 to 2025. The largest total came from Medtronic Vascular, Inc.

How long has Dr. Siavash Md Jabbari been practicing?

Dr. Jabbari graduated from medical school in 2005, 21 years ago.

Does Dr. Siavash Md Jabbari do research?

Dmand AI links 18 publications to Dr. Jabbari, published from 2005 to 2011. Dr. Jabbari has worked on 3 clinical trials.

Who does Dr. Siavash Md Jabbari publish with?

Dr. Jabbari's most frequent co-authors are Johnny R. Bernard, MD (2 shared papers), Carol R. Bradford, MD (2 shared papers) and Douglas B. Chepeha, MD (2 shared papers).

What insurance does Dr. Siavash Md Jabbari accept?

Dr. Jabbari is in network with 10 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

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