Sebastien Denis
- Medicare services, 2024
- 64
- Medicare patients, 2024
- 67
- Part D claims, 2024
- 121
- MIPS score, 2024
- 97
- Hospital affiliations
- 3
- Practice address
- 15107 Vanowen St, Vannuys, CA 91405
- Practice phone
- Call (818) 782-6600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Sebastien Denis' professional email, personal email and mobile number
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Sebastien Denis is a physician assistant in Vannuys, California
Sebastien Denis practices at Valley Presbyterian Hospital in Vannuys, California, part of Valley Presbyterian Hospital.
Sebastien Denis' NPI, 1588155543, was assigned on May 25, 2018. Sebastien Denis holds California license PA55996.
- NPI
- 1588155543NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3779837463
- NPI enumeration date
- May 25, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (818) 782-6600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Sebastien Denis practices at Valley Presbyterian Hospital in Vannuys, California
Sebastien Denis' primary practice is Valley Presbyterian Hospital, at 15107 Vanowen St, Vannuys, CA 91405 in Los Angeles County. The practice phone is (818) 782-6600.
- Valley Presbyterian Hospital15107 Vanowen St, Vannuys, CA 91405 · Los Angeles CountyPhone(818) 782-6600
Source: Dmand AI Affiliation Data
Sebastien Denis is affiliated with 4 sites of care and 4 medical groups
Sebastien Denis' primary practice is Valley Presbyterian Hospital in Vannuys, California, part of Valley Presbyterian Hospital. The medical group on file is Vituity. Dmand AI also links Sebastien Denis to 2 more hospitals, 3 medical groups and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Sebastien Denis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Sebastien Denis practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Valley Presbyterian Hospital | Available with a free account |
| +3 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Valley Presbyterian Hospital and 6.2K+ hospitals, with verified contacts in the same login.
Sebastien Denis is one of 11,482 physician assistants in California
Physician assistant is Sebastien Denis' primary specialty in the NPI Registry, under taxonomy code 363A00000X. Sebastien Denis is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Physician assistants near Sebastien Denis
Counts of physician assistants 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
Sebastien Denis billed Medicare for 64 services in 2024
CMS data shows 64 Medicare services from Sebastien Denis across 2 procedure codes in 2024, for 67 Medicare patients. Medicare paid $6,309 for them. Every service was in a facility, such as a hospital, rather than an office.
Sebastien Denis compared with the California median for physician assistants, 2024
- Sebastien Denis
- California median
- Medicare services
- 64vs 20469% below
- Medicare patients
- 67vs 10536% below
- Part D claims
- 66vs 24373% below
Medians across 7,065 physician assistants in California with Dmand AI profiles that report each measure.
Sebastien Denis' 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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Sebastien Denis treated 67 Medicare patients in 2024, average age 66
CMS counts 67 Medicare patients who saw Sebastien Denis in 2024. The largest group is under 65, with 27 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 2.60, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Sebastien Denis' median patient age at 34, with 59% women.
Sebastien Denis' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Sebastien Denis' Medicare patients by sex, 2024
- Women4669%
- Men2131%
Chronic conditions among Sebastien Denis' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes64%
- Arthritis54%
- Chronic kidney disease42%
- Ischemic heart disease34%
- Heart failure33%
- Anxiety31%
Share of Medicare patients with each condition. A patient can have several.
Sebastien Denis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 34
Patient panel by sex, all payers
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Sebastien Denis wrote 121 Medicare Part D claims in 2024
In 2024, Sebastien Denis wrote 121 Medicare Part D claims for 79 patients. 96% of them were for generic drugs. CMS names the drug for 66 of them, across 2 drugs with 11 or more claims each, at $204 in total drug cost.
Sebastien Denis' Part D claims by kind of drug, 2024
- Generic116 claims96%
- Brand-name and other5 claims4%
Sebastien Denis' 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 Sebastien Denis' Part D claims, 2024
- Antibiotics29%35 of 121 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
Sebastien Denis scored 97 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Sebastien Denis for performance year 2024, reported as part of a group. Sebastien Denis accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Sebastien Denis' MIPS scores, performance year 2024
- 97of 100Final score
- 90of 100Quality
- 40of 100Improvement Activities
- 78of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
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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Sources for Sebastien Denis'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)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) |
| 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 Sebastien Denis
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What is Sebastien Denis' NPI number?
Sebastien Denis' NPI number is 1588155543. It was assigned on May 25, 2018, and it is active in the NPI Registry.
What does Sebastien Denis specialize in?
Sebastien Denis is a physician assistant in Vannuys, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Sebastien Denis practice?
Sebastien Denis practices at 15107 Vanowen St, Vannuys, CA 91405. Sebastien Denis' primary practice is Valley Presbyterian Hospital in Vannuys, California, part of Valley Presbyterian Hospital. Dmand AI also links Sebastien Denis to 2 hospitals, 3 medical groups and 1 group practice or clinic.
What is Sebastien Denis' office phone number?
The practice phone on file for Sebastien Denis is (818) 782-6600.
What is Sebastien Denis' medical license number?
Sebastien Denis holds California license PA55996.
Which hospitals is Sebastien Denis affiliated with?
Sebastien Denis practices at Valley Presbyterian Hospital in Vannuys, California. Dmand AI links Sebastien Denis to 2 more hospitals.
What medical group is Sebastien Denis part of?
Sebastien Denis is linked to Vituity. Dmand AI links Sebastien Denis to 3 more medical groups.
Does Sebastien Denis accept Medicare?
Yes. CMS data shows Sebastien Denis billed Medicare for 64 services in 2024, and Sebastien Denis accepts Medicare assignment.
What is Sebastien Denis' MIPS score?
Sebastien Denis' MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.
How many Medicare patients does Sebastien Denis see?
CMS counts 67 Medicare patients who saw Sebastien Denis in 2024, with an average age of 66.
Show 3 more questionsShow fewer questions
What services does Sebastien Denis bill to Medicare?
In 2024, Sebastien Denis' most billed Medicare services were emergency department visit (99285) and emergency department visit (99284).
What drugs does Sebastien Denis prescribe most?
In 2024 Medicare Part D data, Sebastien Denis' most prescribed drugs by claims were Ibuprofen and Cephalexin.
How long has Sebastien Denis been practicing?
Sebastien Denis' NPI was assigned in 2018.
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