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Matthew Onassis

  • Beverly Hills, CA
  • Dermatologist
NPI1225807795
Industry payments
$540
State license
1
Year NPI issued
2023
Practice address
462 N Linden Dr Ste 447, Beverly Hills, CA 90212-4902
Practice phone
Call (310) 800-4988
Professional email
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Personal email
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Mobile number
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Social profiles

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Matthew Onassis is a dermatologist in Beverly Hills, California

Matthew Onassis practices in Beverly Hills, California.

Matthew Onassis' NPI, 1225807795, was assigned on December 26, 2023. Matthew Onassis holds California license 95027677.

NPI and contact details
NPI
1225807795NPI Registry (opens in a new tab)
NPI enumeration date
December 26, 2023
NPI status
Active
Practice phone
(310) 800-4988
Professional email
Get email
Personal email
Get email
Mobile number
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Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data

Matthew Onassis' practice address is in Beverly Hills, California

Matthew Onassis' practice address in the NPI Registry is 462 N Linden Dr Ste 447, Beverly Hills, CA 90212-4902. The practice phone is (310) 800-4988.

  • NPI Registry address
    462 N Linden Dr Ste 447, Beverly Hills, CA 90212-4902Phone(310) 800-4988

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

Dmand AI tracks the EHR system at Matthew Onassis' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Matthew Onassis practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Matthew Onassis' practiceAvailable with a free account

Source: Dmand AI Technology Install Data

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Matthew Onassis is one of 1,910 dermatologists in California

Dermatology is Matthew Onassis' primary specialty in the NPI Registry, under taxonomy code 207N00000X. Matthew Onassis is licensed in California.

Specialties and state licenses

  • Dermatology, CaliforniaPrimaryLicense 95027677 · 2023 to 2026 · taxonomy 207N00000X

Dermatologists near Matthew Onassis

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

1,910dermatologists in California27dermatologists in Beverly Hills

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

Matthew Onassis received $540 in industry payments from 2024 to 2025

CMS Open Payments shows 9 general payments to Matthew Onassis from 4 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $229.

General payments to Matthew Onassis by program year, 2024 to 2025

Companies that paid Matthew Onassis the most, 2024 to 2025

Share is of all general payments to this clinician.

See all payments to Matthew Onassis

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

Sources for Matthew Onassis'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
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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 Matthew Onassis

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Matthew Onassis' NPI number?

Matthew Onassis' NPI number is 1225807795. It was assigned on December 26, 2023, and it is active in the NPI Registry.

What does Matthew Onassis specialize in?

Matthew Onassis is a dermatologist in Beverly Hills, California. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).

Where does Matthew Onassis practice?

Matthew Onassis practices at 462 N Linden Dr Ste 447, Beverly Hills, CA 90212-4902.

What is Matthew Onassis' office phone number?

The practice phone on file for Matthew Onassis is (310) 800-4988.

What is Matthew Onassis' medical license number?

Matthew Onassis holds California license 95027677.

Has Matthew Onassis received payments from drug or device companies?

CMS Open Payments shows $540 in general payments to Matthew Onassis from 4 companies from 2024 to 2025. The largest total came from Abbvie Inc.

How long has Matthew Onassis been practicing?

Matthew Onassis' NPI was assigned in 2023.

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