NPPES file of Aug 9, 2026

Seth R. Stevens, M.D.

Dermatology Physician · Thousand Oaks, CA

Seth R. Stevens, M.D. is a dermatology physician with a practice address in Thousand Oaks, California, and NPI 1003060492, issued on Nov 11, 2008. Check the license (California G88354, 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
1003060492
Name
Seth R. Stevens
Credential
M.D.
Primary taxonomy
Dermatology Physician 207N00000X
License number
G88354 CA
Self-reported in NPPES; status is on the state search
Practice location
267 W Hillcrest Dr, Thousand Oaks, CA 91360
Phone
(805) 497-1694
Enumerated
Nov 11, 2008
Record last updated
Nov 29, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(805) 373-7493
Medicare enrollment
Enrolled (PECOS I20090211000217); accepts Medicare assignment
Medical or professional school
Oregon Health Sciences University School Of Medicine, 1986
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 267 W Hillcrest Dr

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

  1. Laura Blumenthal, MDProcedural Dermatology Physician1912369950
  2. Jacqueline Capaldi, FNPFamily Nurse Practitioner1366159741
  3. Christine Cole, M.D.Dermatology Physician1770796708
  4. Sean Condon, MDMOHS-Micrographic Surgery Physician1144663683
  5. Bridget Hartman, M.D.Dermatology Physician1447541511
  6. Breanne Hesseltine, PA-CPhysician Assistant1235708975

Verify Seth R. Stevens in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G88354
    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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59% more Medicare Part D claims than the average dermatology physician in 2024

1,269 Medicare Part D claims for 569 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.

  1. Seth Stevens1,269
  2. Specialty average797

Most prescribed

  1. Fluorouracil166 claims
  2. Betamethasone Diprop Augmented155 claims
  3. Clobetasol Propionate126 claims
  4. Triamcinolone Acetonide123 claims
  5. Tacrolimus68 claims
  6. Ketoconazole57 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.

Bills Medicare through one group practice

  1. Southern California Permanente Medical GroupThousand Oaks, CA

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

Seth R. Stevens among 2,083 dermatology physician records in California

Seth R. Stevens, M.D. 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 2008, is newer than 55% of them.

  • NPI issued2008 · 55% of these records are older, 39% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated1986 · median 2006 among the 1,450 with a school on file
  • Record last updated2021 · 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. Charles Chia, M.D.Thousand Oaks, CA 913601841229069
  2. Christine Cole, M.D.Thousand Oaks, CA 913601770796708
  3. Bridget Hartman, M.D.Thousand Oaks, CA 913601447541511
  4. Andrew Kaufman, MDThousand Oaks, CA 913601740214378
  5. Comron Maleki, MDThousand Oaks, CA 913601730113408
  6. Nima Milani-Nejad, M.D.Thousand Oaks, CA 913601356703540
  7. Mira Stotland, M.DThousand Oaks, CA 913601104023837
  8. Judith Feldman, MDWestlake Village, CA 913611245295575

Common questions

What is Seth R. Stevens, M.D.'s NPI number?

Seth R. Stevens, M.D.'s National Provider Identifier (NPI) is 1003060492, issued on Nov 11, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Seth R. Stevens, M.D. located?

The NPPES record lists a practice address at 267 W Hillcrest Dr, Thousand Oaks, CA, 91360. Phone: (805) 497-1694. Providers update this record themselves, so call before visiting.

How can I verify Seth R. Stevens, M.D.'s license?

NPPES lists California license number G88354, 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 Seth R. Stevens, M.D. prescribe under Medicare Part D?

In 2024, Seth R. Stevens, M.D. had 1,269 Medicare Part D claims for 569 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.