NPPES file of Aug 9, 2026

David Lee Arnold, DO

Dermatology Physician · Downey, CA

David Lee Arnold, DO is a dermatology physician with a practice address in Downey, California, and NPI 1003311051, issued on Mar 29, 2018. Check the license (California 20A19246, 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
1003311051
Name
David Lee Arnold
Credential
DO
Primary taxonomy
Dermatology Physician 207N00000X
License numbers
20A19246 CA
OS16416 FL
Self-reported in NPPES; status is on the state search
Practice location
8345 Firestone Blvd Ste 310, Downey, CA 90241
Phone
(652) 923-3001
Enumerated
Mar 29, 2018
Record last updated
Jun 30, 2026
Medicare enrollment
Enrolled (PECOS I20221101001724); accepts Medicare assignment
Medical or professional school
Edward Via Col Of Osteo Medicine-Virginia Campus, 2018
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.
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Also registered at 8345 Firestone Blvd Ste 310

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

  1. Cecilia Ann, NPFamily Nurse Practitioner1306212717
  2. Shannon RasmussenPhysician Assistant1134748080

Verify David Lee Arnold in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A19246
    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.

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8% more Medicare Part D claims than the average dermatology physician in 2024

860 Medicare Part D claims for 331 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.

  1. David Arnold860
  2. Specialty average797

Most prescribed

  1. Triamcinolone Acetonide181 claims
  2. Ketoconazole169 claims
  3. Hydrocortisone99 claims
  4. Clobetasol Propionate64 claims
  5. Clindamycin Phosphate48 claims
  6. Mupirocin39 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: $899.12

34 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. 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. David Arnold$899.12
  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 3 group practices

  1. Howard Fein MD IncDowney, CA
  2. Island Dermatology, Inc.Downey, CA
  3. Steven E Hodgkin MD A Professional CorporationVictorville, CA

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

David Lee Arnold among 2,083 dermatology physician records in California

David Lee Arnold, DO 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 2018, is newer than 86% of them.

  • NPI issued2018 · 86% of these records are older, 11% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2018 · median 2006 among the 1,450 with a school on file
  • Record last updated2026 · 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. Douglas Blose, M.D.Downey, CA 902411306816657
  2. Gerard Nat, M.D.Downey, CA 902411912007956
  3. Richard Winkelmann, D.O.Downey, CA 902411720427024
  4. Evelyn Cheung, MDDowney, CA 902421164797312
  5. Harrison Lee, MDDowney, CA 902421376093997
  6. Kim Quach, MDDowney, CA 902421518287895
  7. Jennifer Sri, M.D.Downey, CA 902421962604850
  8. Karan Kortlander, N.P.El Segundo, CA 902451174163703

Common questions

What is David Lee Arnold, DO's NPI number?

David Lee Arnold, DO's National Provider Identifier (NPI) is 1003311051, issued on Mar 29, 2018. An NPI identifies a provider in billing; it is not a license.

Where is David Lee Arnold, DO located?

The NPPES record lists a practice address at 8345 Firestone Blvd Ste 310, Downey, CA, 90241. Phone: (652) 923-3001. Providers update this record themselves, so call before visiting.

How can I verify David Lee Arnold, DO's license?

NPPES lists California license number 20A19246, 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 David Lee Arnold, DO prescribe under Medicare Part D?

In 2024, David Lee Arnold, DO had 860 Medicare Part D claims for 331 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.