Kamyar Assil, MD
Interventional Pain Medicine Physician · Thousand Oaks, CA
Kamyar Assil, MD is an interventional pain medicine physician with a practice address in Thousand Oaks, California, and NPI 1750321568, issued on Jun 8, 2006. Check the license (California G81184, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Kamyar Assil
- Credential
- MD
- Primary taxonomy
- Interventional Pain Medicine Physician 208VP0014X
- License number
- G81184 CA
Self-reported in NPPES; status is on the state search - Practice location
- 137 E Thousand Oaks Blvd, Thousand Oaks, CA 91360
- Phone
- (805) 379-4574
- Enumerated
- Jun 8, 2006
- Record last updated
- Jul 14, 2025
- Fax
- (805) 379-4324
- Medicare enrollment
- Enrolled (PECOS I20100824000389); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 1990
- Entity
- Type 1 · individual
8 nearest interventional pain medicine physician records → All 219 in California → Look up another NPI →
Also registered at 137 E Thousand Oaks Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sydney CzuprynskiPhysical Therapist1508508268
- Rebecca Guinn, MPTPhysical Therapist1336457183
- Lisa Guiteras, OTR/L, CHTHand Occupational Therapist1720018476
- Rebecca Haas, PT, DPTPhysical Therapist1184269607
- Kailey Kerstein, DPTPhysical Therapist1205439395
Verify Kamyar Assil in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G81184Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average interventional pain medicine physician in 2024
330 Medicare Part D claims for 123 beneficiaries, against an average of 2,306 among the 2,100 providers of this specialty who prescribed in Part D. 127 claims were for opioids.
Most prescribed
- Tramadol Hcl53 claims
- Hydrocodone-Acetaminophen45 claims
- Gabapentin39 claims
- Meloxicam27 claims
- Baclofen21 claims
- Celecoxib17 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,500.00
35 payments; by number, the most common kind was food and beverage; the largest payer was Vertos Medical, Inc. The 1,966 providers of this specialty with any payment received $3,889.53 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Ventura Orthopedics Medical Group IncThousand Oaks, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kamyar Assil among 219 interventional pain medicine physician records in California
Kamyar Assil, MD is one of 219 interventional pain medicine physician records with a practice address in California. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 55% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated1990 · median 2003 among the 167 with a school on file
- Record last updated2025 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208VP0014X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Interventional Pain Medicine Physician providers in California
There are 219 interventional pain medicine physician records in California.
All 219 in California → Every provider in Thousand Oaks → Interventional Pain Medicine Physician nationwide →
The 8 interventional pain medicine physician records with the nearest ZIP codes
- David Hoenig, M.D.Tarzana, CA 913561225125529
- Raj Desai, MDValencia, CA 913551508258559
- Narinder Grewal, MDValencia, CA 913551396783270
- Shaaron Zaghi, MDWoodland Hills, CA 913651215191242
- Muthukumar Vaidyaraman, MD,FIPP, MBAPorter Ranch, CA 913261003928565
- Johannes Ramirez, MDNorthridge, CA 913241063446896
- Sarah O'Brien, M.D.Panorama City, CA 914021134446727
- Raul Calderon, M.D.Sherman Oaks, CA 914031134396492
Common questions
What is Kamyar Assil, MD's NPI number?
Kamyar Assil, MD's National Provider Identifier (NPI) is 1750321568, issued on Jun 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kamyar Assil, MD located?
The NPPES record lists a practice address at 137 E Thousand Oaks Blvd, Thousand Oaks, CA, 91360. Phone: (805) 379-4574. Providers update this record themselves, so call before visiting.
How can I verify Kamyar Assil, MD's license?
NPPES lists California license number G81184, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Kamyar Assil, MD prescribe under Medicare Part D?
In 2024, Kamyar Assil, MD had 330 Medicare Part D claims for 123 beneficiaries; the average among interventional pain medicine physician prescribers was 2,306. Part D covers Medicare prescriptions only.
What is Kamyar Assil, MD's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.