Chronic PainPostoperative ComplicationsSpinal Cord
Dr. Kamyar Assil, MD
NPI1750321568PAC ID6406756717
- Medicare services, 2024
- 2,224
- Medicare patients, 2024
- 596
- Part D claims, 2024
- 330
- Publications
- 1
- MIPS score, 2024
- 75
- Practice address
- 696 Hampshire Rd, Westlake Village, CA 91361
- Practice phone
- Call (805) 413-7920
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
SSC of Westlake Village
Westlake Village, California
Find Dr. Assil'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. Kamyar Assil is an interventional pain medicine physician in Westlake Village, California
Dr. Assil practices at SSC of Westlake Village in Westlake Village, California.
Dr. Assil's NPI, 1750321568, was assigned on June 8, 2006. Dr. Assil graduated from Keck School of Medicine of USC in 1990. Dr. Assil holds California license G81184.
NPI and contact details
- NPI
- 1750321568NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6406756717
- NPI enumeration date
- June 8, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (805) 413-7920
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Kamyar Assil practices at SSC of Westlake Village in Westlake Village, California
Dr. Assil's primary practice is SSC of Westlake Village, at 696 Hampshire Rd, Westlake Village, CA 91361 in Ventura County. The practice phone is (805) 413-7920.
- SSC of Westlake Village696 Hampshire Rd, Westlake Village, CA 91361 · Ventura CountyPhone(805) 413-7920
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Kamyar Assil is affiliated with 3 sites of care and 1 medical group
Dr. Assil's primary practice is SSC of Westlake Village in Westlake Village, California. The medical group on file is Ventura Orthopedics. Dmand AI also links Dr. Assil to 1 more physician office and 1 group practice or clinic, each named with a free account.
SSC of Westlake VillagePrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Kamyar Assil's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Assil practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| SSC of Westlake Village | 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. Kamyar Assil is one of 215 interventional pain medicine physicians in California
Interventional pain medicine is Dr. Assil's primary specialty in the NPI Registry, under taxonomy code 208VP0014X. Dr. Assil is board certified in anesthesiology by the American Board of Anesthesiology. Dmand AI has Dr. Assil's licenses on file in 3 states: California, Colorado and New York.
Specialties and state licenses
- Interventional pain medicine, CaliforniaPrimary
- Colorado license
- New York license
Clinical focus
Dmand AI lists back pain injection, lower back pain, muscle pain, fibromyalgia, and limb pain, neck pain and spine problems, spinal stenosis and thoracic spine disorders among the conditions Dr. Assil treats.
Interventional pain medicine physicians near Dr. Assil
Counts of interventional pain medicine physicians 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. Kamyar Assil billed Medicare for 2,224 services in 2024
CMS data shows 2,224 Medicare services from Dr. Assil across 32 procedure codes in 2024, for 596 Medicare patients. Medicare paid $237,720 for them.
Medicare services, 20242,224
Medicare patients596
Paid by Medicare$237,720
Procedure codes32
Dr. Assil's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,0562024: 1,0631%
- Surgery
- 2023: 7622024: 7863%
- Other services
- 2023: 432024: 147242%
- Imaging
- 2023: 1652024: 14115%
- Tests and treatments
- 2023: 02024: 59
- Drugs given in the office
- 2023: 312024: 2810%
Where Dr. Assil's Medicare services took place, 2024
- In an office1,35161%
- In a facility87339%
Dr. Assil compared with the California median for interventional pain medicine physicians, 2024
- Dr. Assil
- California median
- Medicare services
- 2,224vs 1,23281% above
- Medicare patients
- 596vs 2082.9 times
- Part D claims
- 262vs 34825% below
Medians across 209 interventional pain medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Assil'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 Dr. Assil?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Assil and other interventional pain medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Kamyar Assil treated 596 Medicare patients in 2024, average age 75
CMS counts 596 Medicare patients who saw Dr. Assil in 2024. The largest group is 65 to 74, with 275 patients. 75% of them have arthritis, and 75% have high blood pressure. 12% are also on Medicaid. Their average risk score is 1.17, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Assil's median patient age at 66, with 57% women.
Medicare patients, 2024596
Average age75
Average risk score1.17
Also on Medicaid12%
Dr. Assil's Medicare patients by age, 2024
Dr. Assil's Medicare patients by sex, 2024
- Women34959%
- Men24741%
Chronic conditions among Dr. Assil's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease35%
- Diabetes29%
- Mood disorders29%
- Anxiety27%
- Depression26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Assil's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Kamyar Assil wrote 330 Medicare Part D claims in 2024
In 2024, Dr. Assil wrote 330 Medicare Part D claims for 123 patients. 99% of them were for generic drugs. CMS names the drug for 262 of them, across 11 drugs with 11 or more claims each, at $2,890 in total drug cost. In 2023, CMS named 348 claims across 10 drugs.
Part D claims, 2024330
Drugs named by CMS11
Total drug cost$2,890
Part D patients123
Dr. Assil's Part D claims by kind of drug, 2024
- Generic327 claims99%
- Brand-name and other3 claims1%
Dr. Assil'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.
Drug classes CMS tracks in Dr. Assil's Part D claims, 2024
- Opioids38%127 of 330 claims
- Antibiotics3%11 of 330 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3482024: 26225%
Drugs named by CMS: 11 in 2024, 10 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. Kamyar Assil scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Assil for performance year 2024, reported individually. Dr. Assil accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
- MIPS final score, 2024
- 75 of 100
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Kamyar Assil has 1 publication on record
Dmand AI links 1 paper to Dr. Assil in 2023. Dr. Assil's most frequent co-authors are Shakil Ahmed, MD, Joseph N. Atallah, MD and Anthony P. Berg, MD.
Papers1
Dr. Assil's most frequent co-authors
Recent publications by Dr. Assil
See who Dr. Assil researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Assil works with, so you can find a warm path to the right interventional pain medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Kamyar Assil received $7,069 in industry payments from 2016 to 2025
CMS Open Payments shows 220 general payments to Dr. Assil from 27 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 88% of the total. Boston Scientific Corporation paid the most, $1,872.
General payments to Dr. Assil by program year, 2016 to 2025
General payments to Dr. Assil by kind, 2016 to 2025
$7.1Kin total
- Food and beverage$6,20188%
- Travel and lodging$86812%
Companies that paid Dr. Assil 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. Kamyar Assil has 1 award and honors on record
Dmand AI lists 1 award for Dr. Assil, most recently CMS Stage 1 2012 in 2011.
Awards and honors for Dr. Assil
- 2011
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. Kamyar Assil graduated from Keck School of Medicine of USC
Dr. Assil graduated from Keck School of Medicine of USC in 1990.
- Medical school
- Board certified in anesthesiology
- Board certified in pain medicine
Source: Dmand AI Professional Profile Data
Dr. Kamyar Assil accepts plans from 11 insurance carriers
Dr. Assil is in network with 11 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Excellus BlueCross BlueShield
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- +3 more carriersWith a free account
Plan types Dr. Assil accepts, by number of carriers
- Medicare9
- PPO9
- HMO6
- POS5
- EPO4
Source: Dmand AI Insurance Network Data
Sources for Dr. Kamyar Assil'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 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)Clinician Public Reporting: Overall MIPS Performance (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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Kamyar Assil
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. Kamyar Assil's NPI number?
Dr. Kamyar Assil's NPI number is 1750321568. It was assigned on June 8, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Kamyar Assil?
Dr. Kamyar Assil is an interventional pain medicine physician in Westlake Village, California. The primary specialty in the NPI Registry is Interventional Pain Medicine Physician (taxonomy code 208VP0014X).
Where does Dr. Kamyar Assil practice?
Dr. Assil practices at 696 Hampshire Rd, Westlake Village, CA 91361. Dr. Assil's primary practice is SSC of Westlake Village in Westlake Village, California. Dmand AI also links Dr. Assil to 1 physician office and 1 group practice or clinic.
What is Dr. Kamyar Assil's office phone number?
The practice phone on file for Dr. Assil is (805) 413-7920.
What is Dr. Kamyar Assil's medical license number?
Dr. Assil holds California license G81184, one of the licenses on file in 3 states.
Which states has Dr. Kamyar Assil been licensed in?
Dmand AI has state licenses on file for Dr. Assil in California (1995 to 2027), Colorado (1994 to 2003) and New York (1994 to 1998).
What medical group is Dr. Kamyar Assil part of?
Dr. Assil is linked to Ventura Orthopedics.
Does Dr. Kamyar Assil accept Medicare?
Yes. CMS data shows Dr. Assil billed Medicare for 2,224 services in 2024, and Dr. Assil accepts Medicare assignment.
What is Dr. Kamyar Assil's MIPS score?
Dr. Assil's MIPS final score for performance year 2024 is 75 out of 100, reported individually.
How many Medicare patients does Dr. Kamyar Assil see?
CMS counts 596 Medicare patients who saw Dr. Assil in 2024, with an average age of 75.
Show 9 more questionsShow fewer questions
Is Dr. Kamyar Assil board certified?
Yes. Dr. Assil is board certified in anesthesiology by the American Board of Anesthesiology.
What services does Dr. Kamyar Assil bill to Medicare?
In 2024, Dr. Assil's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and surgery: brain, spine and nerves (64483).
Where did Dr. Kamyar Assil go to medical school?
Dr. Assil graduated from Keck School of Medicine of USC in 1990.
What drugs does Dr. Kamyar Assil prescribe most?
In 2024 Medicare Part D data, Dr. Assil's most prescribed drugs by claims were Tramadol HCl, Hydrocodone-Acetaminophen and Gabapentin.
Has Dr. Kamyar Assil received payments from drug or device companies?
CMS Open Payments shows $7,069 in general payments to Dr. Assil from 27 companies from 2016 to 2025. The largest total came from Boston Scientific Corporation.
How long has Dr. Kamyar Assil been practicing?
Dr. Assil graduated from medical school in 1990, 36 years ago.
Does Dr. Kamyar Assil do research?
Dmand AI links 1 publication to Dr. Assil.
Who does Dr. Kamyar Assil publish with?
Dr. Assil's most frequent co-authors are Shakil Ahmed, MD (1 shared paper), Joseph N. Atallah, MD (1 shared paper) and Anthony P. Berg, MD (1 shared paper).
What insurance does Dr. Kamyar Assil accept?
Dr. Assil is in network with 11 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
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