Dr. Leo Kassabian, MD

  • Encino, CA
  • Cardiologist
NPI1184617763PAC ID1052384385
Medicare services, 2024
5,492
Medicare patients, 2024
1,299
Part D claims, 2024
11,558
Publications
1
MIPS score, 2024
75
Practice address
16542 W Ventura Blvd, Encino, CA 91436
Practice phone
Call (818) 782-5041
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Cardiovascular Consultants Medical Group

Encino, California

See all 8 affiliations

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Dr. Leo Kassabian is a cardiologist in Encino, California

Dr. Kassabian practices at Cardiovascular Consultants Medical Group in Encino, California.

Dr. Kassabian's NPI, 1184617763, was assigned on August 29, 2005. Dr. Kassabian graduated from UCSF School of Medicine in 1999. Dr. Kassabian holds California license A74898.

NPI and contact details
Medicare PAC ID
1052384385
NPI enumeration date
August 29, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(818) 782-5041
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
53
Medical school graduation
1999

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

Dr. Leo Kassabian practices at Cardiovascular Consultants Medical Group in Encino, California

Dr. Kassabian's primary practice is Cardiovascular Consultants Medical Group, at 16542 W Ventura Blvd, Encino, CA 91436 in Los Angeles County. The practice phone is (818) 782-5041.

  • Cardiovascular Consultants Medical Group
    16542 W Ventura Blvd, Encino, CA 91436 · Los Angeles CountyPhone(818) 782-5041

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Leo Kassabian is affiliated with 6 sites of care and 2 medical groups

Dr. Kassabian's primary practice is Cardiovascular Consultants Medical Group in Encino, California. Dr. Kassabian is also affiliated with Dignity Health - Northridge Hospital Medical Center. The medical group on file is Cardiovascular Consultants Medical Group. Dmand AI also links Dr. Kassabian to 3 more hospitals, 1 group practice or clinic and 1 medical group, each named with a free account.

See all 8 affiliations for Dr. Kassabian

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Leo Kassabian's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kassabian practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Cardiovascular Consultants Medical GroupAvailable with a free account
+5 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Leo Kassabian is one of 2,375 cardiologists in California

Cardiovascular disease is Dr. Kassabian's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Kassabian is board certified in cardiovascular disease by the American Board of Internal Medicine. Dr. Kassabian is licensed in California.

Specialties and state licenses

  • Cardiovascular disease, CaliforniaPrimaryLicense A74898 · 2001 to 2027 · taxonomy 207RC0000X

Clinical focus

Dmand AI lists aneurysm, aortic atherosclerois, atrial fibrillation and flutter, cardiac catheterization, cardiomyopathy, cerebrovascular disease, chronic hypertension and chronic skin ulcer among the conditions Dr. Kassabian treats.

Cardiologists near Dr. Kassabian

Counts of cardiologists with a Dmand AI profile, by place and practice. Each opens the list.

2,375cardiologists in California
6cardiologists in Encino

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Leo Kassabian billed Medicare for 5,492 services in 2024

CMS data shows 5,492 Medicare services from Dr. Kassabian across 31 procedure codes in 2024, for 1,299 Medicare patients. Medicare paid $477,380 for them.

Medicare services, 20245,492
Medicare patients1,299
Paid by Medicare$477,380
Procedure codes31

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

  • 2023
  • 2024
Office and hospital visits
2023: 1,7352024: 2,12823%
Tests and treatments
2023: 2,0192024: 2,0071%
Drugs given in the office
2023: 6442024: 72412%
Other services
2023: 3702024: 40610%
Imaging
2023: 1842024: 22723%

Where Dr. Kassabian's Medicare services took place, 2024

  • In an office4,70886%
  • In a facility78414%

Dr. Kassabian compared with the California median for cardiologists, 2024

  • Dr. Kassabian
  • California median
Medicare services
5,492vs 1,5603.5 times
Medicare patients
1,299vs 6442.0 times
Part D claims
11,338vs 1,4108.0 times

Medians across 2,237 cardiologists in California with Dmand AI profiles that report each measure.

Dr. Kassabian'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. Kassabian

Need commercial claims for Dr. Kassabian?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kassabian and other cardiologists in California.

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

Dr. Leo Kassabian treated 1,299 Medicare patients in 2024, average age 77

CMS counts 1,299 Medicare patients who saw Dr. Kassabian in 2024. The largest group is 75 to 84, with 505 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 46% are also on Medicaid. Their average risk score is 1.89, 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. Kassabian's median patient age at 72, with 47% women.

Medicare patients, 20241,299
Average age77
Average risk score1.89
Also on Medicaid46%

Dr. Kassabian's Medicare patients by age, 2024

Dr. Kassabian's Medicare patients by sex, 2024

  • Women68353%
  • Men61647%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis67%
  4. Ischemic heart disease63%
  5. Diabetes54%
  6. Chronic kidney disease38%
  7. Heart failure36%
  8. Mood disorders35%

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

Dr. Kassabian's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women47%
  • Men52%

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

Dr. Leo Kassabian wrote 11,558 Medicare Part D claims in 2024

In 2024, Dr. Kassabian wrote 11,558 Medicare Part D claims for 1,097 patients. 86% of them were for generic drugs. CMS names the drug for 11,338 of them, across 74 drugs with 11 or more claims each, at $1,523,457 in total drug cost. In 2023, CMS named 10,334 claims across 65 drugs.

Part D claims, 202411,558
Drugs named by CMS74
Total drug cost$1.5M
Part D patients1,097

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

  • Generic9,964 claims86%
  • Brand-name1,594 claims14%

Dr. Kassabian'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, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 10,3342024: 11,33810%

Drugs named by CMS: 74 in 2024, 65 in 2023.

See all prescribing by Dr. Kassabian

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. Leo Kassabian 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. Kassabian for performance year 2024, reported individually. Dr. Kassabian accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Kassabian as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes
MIPS final score, 2024
75 of 100

Pacemaker insertion or repair: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. Leo Kassabian has 1 publication on record

Dmand AI links 1 paper to Dr. Kassabian in 2006. Dr. Kassabian's most frequent co-authors are James Niemann, MD and Bobak Salami, MD.

Papers1

Dr. Kassabian's most frequent co-authors

Recent publications by Dr. Kassabian

See all 1 publications and co-authors

See who Dr. Kassabian researches with

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

How network discovery works

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

Dr. Leo Kassabian received $4,701 in industry payments from 2016 to 2025

CMS Open Payments shows 98 general payments to Dr. Kassabian from 20 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. Abbott Laboratories paid the most, $2,889.

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

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

$4.7Kin total
  • Food and beverage$4,59898%
  • Education$1032%

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

Share is of all general payments to this clinician.

See all payments to Dr. Kassabian

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

Dr. Leo Kassabian has 3 awards and honors on record

Dmand AI lists 3 awards for Dr. Kassabian, most recently ACC Fellow in 2013.

Awards and honors for Dr. Kassabian

  1. 2013
    • ACC Fellow
  2. 2012
    • Super Doc
  3. Undated
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Dr. Leo Kassabian graduated from UCSF School of Medicine

Dr. Kassabian graduated from UCSF School of Medicine in 1999. Dr. Kassabian is a member of ACC.

  1. Medical schoolUCSF School of Medicine
  2. Board certified in cardiovascular diseaseAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Leo Kassabian accepts plans from 16 insurance carriers

Dr. Kassabian is in network with 16 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Elevance
  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Molina
  • Regence Health Plans
  • +8 more carriersWith a free account

Plan types Dr. Kassabian accepts, by number of carriers

  1. HMO9
  2. Medicare9
  3. PPO9
  4. EPO4
  5. POS4
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Leo Kassabian'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
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. Leo Kassabian

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. Leo Kassabian's NPI number?

Dr. Leo Kassabian's NPI number is 1184617763. It was assigned on August 29, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Leo Kassabian?

Dr. Leo Kassabian is a cardiologist in Encino, California. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).

Where does Dr. Leo Kassabian practice?

Dr. Kassabian practices at 16542 W Ventura Blvd, Encino, CA 91436. Dr. Kassabian's primary practice is Cardiovascular Consultants Medical Group in Encino, California. Dmand AI also links Dr. Kassabian to 3 hospitals, 1 group practice or clinic and 1 medical group.

What is Dr. Leo Kassabian's office phone number?

The practice phone on file for Dr. Kassabian is (818) 782-5041.

What is Dr. Leo Kassabian's medical license number?

Dr. Kassabian holds California license A74898.

Which hospitals is Dr. Leo Kassabian affiliated with?

Dr. Kassabian is affiliated with Dignity Health - Northridge Hospital Medical Center. Dmand AI links Dr. Kassabian to 3 more hospitals.

What medical group is Dr. Leo Kassabian part of?

Dr. Kassabian is linked to Cardiovascular Consultants Medical Group. Dmand AI links Dr. Kassabian to 1 more medical group.

Does Dr. Leo Kassabian accept Medicare?

Yes. CMS data shows Dr. Kassabian billed Medicare for 5,492 services in 2024, and Dr. Kassabian accepts Medicare assignment.

Does Dr. Leo Kassabian offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Kassabian as offering telehealth services.

What is Dr. Leo Kassabian's MIPS score?

Dr. Kassabian's MIPS final score for performance year 2024 is 75 out of 100, reported individually.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Leo Kassabian see?

CMS counts 1,299 Medicare patients who saw Dr. Kassabian in 2024, with an average age of 77.

Is Dr. Leo Kassabian board certified?

Yes. Dr. Kassabian is board certified in cardiovascular disease by the American Board of Internal Medicine.

What services does Dr. Leo Kassabian bill to Medicare?

In 2024, Dr. Kassabian's most billed Medicare services were office visit, established patient (99214), injected or infused drug (J2785) and heart test or procedure (93000).

Where did Dr. Leo Kassabian go to medical school?

Dr. Kassabian graduated from UCSF School of Medicine in 1999.

What drugs does Dr. Leo Kassabian prescribe most?

In 2024 Medicare Part D data, Dr. Kassabian's most prescribed drugs by claims were Metoprolol Succinate, Rosuvastatin Calcium and Amlodipine Besylate.

Has Dr. Leo Kassabian received payments from drug or device companies?

CMS Open Payments shows $4,701 in general payments to Dr. Kassabian from 20 companies from 2016 to 2025. The largest total came from Abbott Laboratories.

How long has Dr. Leo Kassabian been practicing?

Dr. Kassabian graduated from medical school in 1999, 27 years ago.

Does Dr. Leo Kassabian do research?

Dmand AI links 1 publication to Dr. Kassabian.

Who does Dr. Leo Kassabian publish with?

Dr. Kassabian's most frequent co-authors are James Niemann, MD (1 shared paper) and Bobak Salami, MD (1 shared paper).

What insurance does Dr. Leo Kassabian accept?

Dr. Kassabian is in network with 16 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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