NPPES file of Aug 9, 2026

William Leonard Ebbeling, M.D.

Allergy & Immunology Physician · San Diego, CA

William Leonard Ebbeling, M.D. is an allergy & immunology physician with a practice address in San Diego, California, and NPI 1205808284, issued on Feb 3, 2006. Check the license (California C50225, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1205808284
Name
William Leonard Ebbeling
Credential
M.D.
Primary taxonomy
Allergy & Immunology Physician 207K00000X
License number
C50225 CA
Self-reported in NPPES; status is on the state search
Practice location
3030 Childrens Way, San Diego, CA 92123
Phone
(858) 966-5961
Enumerated
Feb 3, 2006
Record last updated
Apr 22, 2020 (not updated in 6 years: call before relying on the address or phone)
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.
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Also registered at 3030 Childrens Way

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

  1. Mona Adams, O.D.Optometrist1942564521
  2. Jeffrey Algra, M.D.Pediatric Rehabilitation Medicine Physician1457664518
  3. Saud Alsahli, M.D.Neurology with Special Qualifications in Child Neurology Physician1477040830
  4. Justin Anderson, PA-CPhysician Assistant1366105074
  5. Jessica Appleget, MSN, RN, CNSPediatric Clinical Nurse Specialist1477236313
  6. Deema Arafah, MDPediatric Endocrinology Physician1235423856

Verify William Leonard Ebbeling in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C50225
    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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William Leonard Ebbeling among 444 allergy & immunology physician records in California

William Leonard Ebbeling, M.D. is one of 444 allergy & immunology physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 53% newer
  • In a Medicare fileNo · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 63% of these records are
  • Record last updated2020 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207K00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Allergy & Immunology Physician providers in California

There are 444 allergy & immunology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 allergy & immunology physician records with the nearest ZIP codes

  1. Seema Aceves, M.D., PH.D.San Diego, CA 921231366511628
  2. Mercedes Amado, M.D.San Diego, CA 921231477510287
  3. John Bastian, M.D.San Diego, CA 921231316018179
  4. Lori Broderick, M.D., PH.D.San Diego, CA 921231417152232
  5. Alexander Greiner, M.D.San Diego, CA 921231609801299
  6. Harold Hoffman, M.D.San Diego, CA 921231326074261
  7. Anthony Horner, M.D.San Diego, CA 921231700957560
  8. Susan Laubach, M.D.San Diego, CA 921231366656209

Common questions

What is William Leonard Ebbeling, M.D.'s NPI number?

William Leonard Ebbeling, M.D.'s National Provider Identifier (NPI) is 1205808284, issued on Feb 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William Leonard Ebbeling, M.D. located?

The NPPES record lists a practice address at 3030 Childrens Way, San Diego, CA, 92123. Phone: (858) 966-5961. Providers update this record themselves, so call before visiting.

How can I verify William Leonard Ebbeling, M.D.'s license?

NPPES lists California license number C50225, 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.