Sean William Kaloostian
- Medicare services, 2024
- 247
- Medicare patients, 2024
- 90
- Part D claims, 2020
- 36
- Publications
- 8
- Hospital affiliations
- 2
- Practice address
- 4445 Magnolia Avenue, Riverside, CA 92501
- Practice phone
- Call (951) 788-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Sean Kaloostian'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.
Sean William Kaloostian is a neurosurgeon in Riverside, California
Sean Kaloostian practices at Riverside Community Hospital in Riverside, California, part of HCA Healthcare.
Sean Kaloostian's NPI, 1750607099, was assigned on April 12, 2010. Sean Kaloostian graduated from David Geffen School of Medicine at UCLA in 2010. Sean Kaloostian's California license number on file is A118917.
- NPI
- 1750607099NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8527369693
- NPI enumeration date
- April 12, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (951) 788-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Sean William Kaloostian practices at Riverside Community Hospital in Riverside, California
Sean Kaloostian's primary practice is Riverside Community Hospital, at 4445 Magnolia Avenue, Riverside, CA 92501 in Riverside County. The practice phone is (951) 788-3000.
- Riverside Community Hospital4445 Magnolia Avenue, Riverside, CA 92501 · Riverside CountyPhone(951) 788-3000
Source: Dmand AI Affiliation Data
Sean William Kaloostian is affiliated with 5 sites of care and 2 medical groups
Sean Kaloostian's primary practice is Riverside Community Hospital in Riverside, California, part of HCA Healthcare. Sean Kaloostian is also affiliated with Riverside Medical Center. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Sean Kaloostian to 2 more group practices and clinics, 1 physician office and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Sean William Kaloostian's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Sean Kaloostian practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Riverside Community Hospital | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Sean William Kaloostian is one of 846 neurosurgeons in California
Neurological surgery is Sean Kaloostian's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Sean Kaloostian is board certified in neurological surgery by the American Board of Neurological Surgery. Sean Kaloostian has a license on file in California.
Specialties and state licenses
- Neurological surgery, CaliforniaPrimary
Neurosurgeons near Sean Kaloostian
Counts of neurosurgeons 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
Sean William Kaloostian billed Medicare for 247 services in 2024
CMS data shows 247 Medicare services from Sean Kaloostian across 3 procedure codes in 2024, for 90 Medicare patients. Medicare paid $28,199 for them. Every service was in a facility, such as a hospital, rather than an office.
Sean Kaloostian's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3702024: 24733%
Sean Kaloostian compared with the California median for neurosurgeons, 2024
- Sean Kaloostian
- California median
- Medicare services
- 247vs 21614% above
- Medicare patients
- 90vs 15442% below
- Part D claims
- 36vs 2638% above
Medians across 679 neurosurgeons in California with Dmand AI profiles that report each measure.
Sean Kaloostian'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.
Need commercial claims for Sean Kaloostian?
Medicare shows one payer. Book a meeting to get commercial claims data for Sean Kaloostian and other neurosurgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Sean William Kaloostian treated 90 Medicare patients in 2024, average age 76
CMS counts 90 Medicare patients who saw Sean Kaloostian in 2024. The largest group is 65 to 74, with 30 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 60% are also on Medicaid. Their average risk score is 2.90, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Sean Kaloostian's median patient age at 64, with 50% women.
Sean Kaloostian's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Sean Kaloostian's Medicare patients by sex, 2024
- Women4449%
- Men4651%
Chronic conditions among Sean Kaloostian's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Stroke or TIA71%
- Diabetes52%
- Arthritis51%
- Chronic kidney disease44%
- Alzheimer's and dementia43%
- Mood disorders42%
Share of Medicare patients with each condition. A patient can have several.
Sean Kaloostian's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Sean William Kaloostian wrote 36 Medicare Part D claims in 2020
In 2020, Sean Kaloostian wrote 36 Medicare Part D claims. Every claim was for a generic drug. They cover 2 drugs, with $948 in total drug cost. In 2019, CMS named 19 claims across 1 drug.
Sean Kaloostian'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: 192020: 3689%
Drugs named by CMS: 2 in 2020, 1 in 2019.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Sean William Kaloostian takes part in Medicare
Sean Kaloostian 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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Sean William Kaloostian has 8 publications on record
Dmand AI links 8 papers to Sean Kaloostian, published from 2015 to 2021. 2018 was the busiest year, with 2. Sean Kaloostian has published most often in Cureus. Sean Kaloostian's most frequent co-authors are Paul E. Kaloostian, MD, Jefferson William Chen, MD, PhD and Omid Moshtaghi, MD.
Sean Kaloostian's papers by year, 2015 to 2021
Sean Kaloostian's most frequent co-authors
- Paul E. Kaloostian, MD5 shared papers
- Jefferson William Chen, MD, PhD1 shared paper
- Omid Moshtaghi, MD1 shared paper
Recent publications by Sean Kaloostian
See who Sean Kaloostian researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Sean Kaloostian works with, so you can find a warm path to the right neurosurgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Sean William Kaloostian received $132 in industry payments from 2018 to 2019
CMS Open Payments shows 4 general payments to Sean Kaloostian from 2 drug and device companies from 2018 to 2019. Food and beverage make up the largest share, 100% of the total. Integra LifeSciences Corporation paid the most, $117.
General payments to Sean Kaloostian by program year, 2018 to 2019
Companies that paid Sean Kaloostian the most, 2018 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sean William Kaloostian graduated from David Geffen School of Medicine at UCLA
Sean Kaloostian graduated from David Geffen School of Medicine at UCLA in 2010. Sean Kaloostian is a member of AANS and ACS.
- Medical school
- Board certified in neurological surgery
Source: Dmand AI Professional Profile Data
Sean William Kaloostian accepts plans from 5 insurance carriers
Sean Kaloostian is in network with 5 carriers, including Elevance, Kaiser Permanente and Molina. HMO plans come from the most carriers, 4. Check the plan with the practice before a visit.
- Elevance
- Kaiser Permanente
- Molina
- CMS Medicare
- Humana
Plan types Sean Kaloostian accepts, by number of carriers
- HMO4
- Medicare3
- POS2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Sean William Kaloostian'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 and Drug (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 |
| 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 Sean William Kaloostian
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Sean William Kaloostian's NPI number?
Sean William Kaloostian's NPI number is 1750607099. It was assigned on April 12, 2010, and it is active in the NPI Registry.
What does Sean William Kaloostian specialize in?
Sean William Kaloostian is a neurosurgeon in Riverside, California. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).
Where does Sean William Kaloostian practice?
Sean Kaloostian practices at 4445 Magnolia Avenue, Riverside, CA 92501. Sean Kaloostian's primary practice is Riverside Community Hospital in Riverside, California, part of HCA Healthcare. Dmand AI also links Sean Kaloostian to 2 group practices and clinics, 1 physician office and 1 medical group.
What is Sean William Kaloostian's office phone number?
The practice phone on file for Sean Kaloostian is (951) 788-3000.
What is Sean William Kaloostian's medical license number?
Sean Kaloostian's California license number on file is A118917.
Which hospitals is Sean William Kaloostian affiliated with?
Sean Kaloostian practices at Riverside Community Hospital in Riverside, California. Sean Kaloostian is also affiliated with Riverside Medical Center.
What medical group is Sean William Kaloostian part of?
Sean Kaloostian is linked to Southern California Permanente Medical Group. Dmand AI links Sean Kaloostian to 1 more medical group.
Does Sean William Kaloostian accept Medicare?
Yes. CMS data shows Sean Kaloostian billed Medicare for 247 services in 2024, and Sean Kaloostian accepts Medicare assignment.
How many Medicare patients does Sean William Kaloostian see?
CMS counts 90 Medicare patients who saw Sean Kaloostian in 2024, with an average age of 76.
Is Sean William Kaloostian board certified?
Yes. Sean Kaloostian is board certified in neurological surgery by the American Board of Neurological Surgery.
Show 8 more questionsShow fewer questions
What services does Sean William Kaloostian bill to Medicare?
In 2024, Sean Kaloostian's most billed Medicare services were critical care (99291), hospital inpatient care (99232) and hospital inpatient care (99222).
Where did Sean William Kaloostian go to medical school?
Sean Kaloostian graduated from David Geffen School of Medicine at UCLA in 2010.
What drugs does Sean William Kaloostian prescribe most?
In 2020 Medicare Part D data, Sean Kaloostian's most prescribed drugs by claims were Gabapentin and Celecoxib.
Has Sean William Kaloostian received payments from drug or device companies?
CMS Open Payments shows $132 in general payments to Sean Kaloostian from 2 companies from 2018 to 2019. The largest total came from Integra LifeSciences Corporation.
How long has Sean William Kaloostian been practicing?
Sean Kaloostian graduated from medical school in 2010, 16 years ago.
Does Sean William Kaloostian do research?
Dmand AI links 8 publications to Sean Kaloostian, published from 2015 to 2021.
Who does Sean William Kaloostian publish with?
Sean Kaloostian's most frequent co-authors are Paul E. Kaloostian, MD (5 shared papers), Jefferson William Chen, MD, PhD (1 shared paper) and Omid Moshtaghi, MD (1 shared paper).
What insurance does Sean William Kaloostian accept?
Sean Kaloostian is in network with 5 carriers, including Elevance, Kaiser Permanente and Molina. HMO plans come from the most carriers, 4. Check the plan with the practice before a visit.
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