NPPES file of Aug 9, 2026

William Frank Resh, MD

Dermatology Physician · El Cajon, CA

William Frank Resh, MD is a dermatology physician with a practice address in El Cajon, California, and NPI 1154309862, issued on Jan 3, 2006. Check the license (California C34661, 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
1154309862
Name
William Frank Resh
Credential
MD
Primary taxonomy
Dermatology Physician 207N00000X
License number
C34661 CA
Self-reported in NPPES; status is on the state search
Practice location
292 Avocado Ave, El Cajon, CA 92020
Phone
(619) 579-5115
Enumerated
Jan 3, 2006
Record last updated
Mar 17, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(619) 749-6174
Medicaid ID
00C346610 CA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 292 Avocado Ave

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

  1. Jennifer Chiang, M.D.Dermatology Physician1457656738
  2. Richard Prouse, DDSDentist1609929272

Verify William Frank Resh in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C34661
    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.

Industry payments in 2024: $109.90

1 payment: 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. William Resh$109.90
  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.

William Frank Resh among 2,083 dermatology physician records in California

William Frank Resh, 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 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 56% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileNo · 70% of these records are
  • Record last updated2018 · 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. Jennifer Chiang, M.D.El Cajon, CA 920201457656738
  2. Jason SeidmanEl Cajon, CA 920201295312254
  3. Doyle Hansen, M.D.El Cajon, CA 920211790868735
  4. Andres Cruz-Inigo, M.D.Encinitas, CA 920241760707434
  5. Margaret Dupree, MDEncinitas, CA 920241295713360
  6. Vishakha Gigler, MDEncinitas, CA 920241396774220
  7. Heidi Gilchrist, M.D.Encinitas, CA 920241083804553
  8. Amanda Lloyd, M.D.Encinitas, CA 920241740593664

Common questions

What is William Frank Resh, MD's NPI number?

William Frank Resh, MD's National Provider Identifier (NPI) is 1154309862, issued on Jan 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William Frank Resh, MD located?

The NPPES record lists a practice address at 292 Avocado Ave, El Cajon, CA, 92020. Phone: (619) 579-5115. Providers update this record themselves, so call before visiting.

How can I verify William Frank Resh, MD's license?

NPPES lists California license number C34661, 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.

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.