NPPES file of Aug 9, 2026

Ronnie Youssef, MD

Dermatology Physician · Oceanside, CA

Ronnie Youssef, MD is a dermatology physician with a practice address in Oceanside, California, and NPI 1750919536, issued on Mar 29, 2020. Check the license (California 199776, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1750919536
Name
Ronnie Youssef
Credential
MD
Primary taxonomy
Dermatology Physician 207N00000X
License numbers
199776 CA
V4779 TX
Self-reported in NPPES; status is on the state search
Practice location
3629 Vista Way, Oceanside, CA 92056
Phone
(760) 757-7546
Enumerated
Mar 29, 2020
Record last updated
Jun 6, 2025
Medicare enrollment
Enrolled (PECOS I20250620002730); accepts Medicare assignment
Medical or professional school
Texas A & M University System, Hsc, College Of Medicine, 2021
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 3629 Vista Way

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kristen Aguirre, MDDermatology Physician1205255288
  2. Kunal AngraDermatology Physician1871988147
  3. Yasmin Anwar, PAPhysician Assistant1588602247
  4. Natalie Basin, PA-CMedical Physician Assistant1477196897
  5. Jay Grossman, MDDermatology Physician1275574253
  6. Parth Patel, DODermatology Physician1174265672

Verify Ronnie Youssef in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 199776
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

92% fewer Medicare Part D claims than the average dermatology physician in 2024

62 Medicare Part D claims for 31 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D.

  1. Ronnie Youssef62
  2. Specialty average797

Most prescribed

  1. Ketoconazole12 claims
  2. Triamcinolone Acetonide12 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.

Industry payments in 2024: $580.44

7 payments; by number, the most common kind was food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. The 10,250 providers of this specialty with any payment received $8,544.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ronnie Youssef$580.44
  2. Specialty average$8,544.61

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

  1. Dermatology Specialists IncOceanside, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Ronnie Youssef among 2,083 dermatology physician records in California

Ronnie Youssef, MD is one of 2,083 dermatology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 92% of them.

  • NPI issued2020 · 92% of these records are older, 5% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2021 · median 2006 among the 1,450 with a school on file
  • Record last updated2025 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Dermatology Physician providers in California

There are 2,083 dermatology physician records in California.

The 8 dermatology physician records with the nearest ZIP codes

  1. Kristen Aguirre, MDOceanside, CA 920561205255288
  2. Kunal AngraOceanside, CA 920561871988147
  3. Christine Finnin, M.D.Oceanside, CA 920561649683186
  4. Alina Goldenberg, MDOceanside, CA 920561710374889
  5. Jay Grossman, MDOceanside, CA 920561275574253
  6. Tasha Manternach, M.D.Oceanside, CA 920561750360491
  7. Andrew Ross, M.D.Oceanside, CA 920561700140738
  8. Joseph Samady, M.D.Oceanside, CA 920561013954908

Common questions

What is Ronnie Youssef, MD's NPI number?

Ronnie Youssef, MD's National Provider Identifier (NPI) is 1750919536, issued on Mar 29, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Ronnie Youssef, MD located?

The NPPES record lists a practice address at 3629 Vista Way, Oceanside, CA, 92056. Phone: (760) 757-7546. Providers update this record themselves, so call before visiting.

How can I verify Ronnie Youssef, MD's license?

NPPES lists California license number 199776, 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 Ronnie Youssef, MD prescribe under Medicare Part D?

In 2024, Ronnie Youssef, MD had 62 Medicare Part D claims for 31 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.

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.