William Penton Sears, MD
Pediatrics Physician · Capistrano Beach, CA
William Penton Sears, MD is a pediatrics physician with a practice address in Capistrano Beach, California, and NPI 1538263611, issued on Sep 11, 2006. Check the license (California C39890, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- William Penton Sears
- Credential
- MD
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- C39890 CA
Self-reported in NPPES; status is on the state search - Practice location
- 26933 Camino DE Estrella, Capistrano Beach, CA 92624
- Phone
- (949) 493-5437
- Enumerated
- Sep 11, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (949) 493-0535
- Entity
- Type 1 · individual
Also registered at 26933 Camino DE Estrella
A shared address usually means a shared clinic or building; it does not show who employs whom.
- James Sears, MDPediatrics Physician1649374729
- Robert Sears, MDPediatrics Physician1922102094
Verify William Penton Sears in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C39890Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3 pediatrics physician records list a practice address in Capistrano Beach
They are 3 of the 37 NPPES records with a practice address in Capistrano Beach, and 9,272 pediatrics physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 3 in Capistrano Beach → All 9,272 in California → Every provider in Capistrano Beach →
Other pediatrics physician records in California
- Subha Aahlad, M.D.Foster City, CA1780610253
- Rebecca Aaronson, MDPanorama City, CA1487746814
- Gregorio Abad-Santos, M.D.Long Beach, CA1255451894
- Michelle Abajian, MDLa Canada, CA1619176757
- Joseph Abapo, MDRiverside, CA1841348786
- Zvart Abaryan, MDLos Angeles, CA1154940849
- Lauren Abbas, MDLos Angeles, CA1982163796
- Attia Abbasi, M.D.Auburn, CA1922027127
- Denise AbbasiParadise, CA1770062341
- Alexandra Abbott, MDPalo Alto, CA1760018675
Common questions
What is William Penton Sears, MD's NPI number?
William Penton Sears, MD's National Provider Identifier (NPI) is 1538263611, issued on Sep 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Penton Sears, MD located?
The NPPES record lists a practice address at 26933 Camino DE Estrella, Capistrano Beach, CA, 92624. Phone: (949) 493-5437. Providers update this record themselves, so call before visiting.
How can I verify William Penton Sears, MD's license?
NPPES lists California license number C39890, 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. 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.