Ronald J. Cornelsen, M.D.
Pediatrics Physician · Huntington Beach, CA
Ronald J. Cornelsen, M.D. is a pediatrics physician with a practice address in Huntington Beach, California, and NPI 1619905486, issued on Jun 29, 2006. Check the license (California A20219, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Ronald J. Cornelsen
- Credential
- M.D.
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- A20219 CA
Self-reported in NPPES; status is on the state search - Practice location
- 17822 Beach Blvd, Huntington Beach, CA 92647
- Phone
- (714) 842-1441
- Enumerated
- Jun 29, 2006
- Record last updated
- Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (714) 843-0394
- Medicaid ID
- GR0025680 CA
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 9,272 in California → Look up another NPI →
Also registered at 17822 Beach Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sherry Do, N.P.Nurse Practitioner1205067543
Verify Ronald J. Cornelsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A20219Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Ronald J. Cornelsen among 9,272 pediatrics physician records in California
Ronald J. Cornelsen, M.D. is one of 9,272 pediatrics physician records with a practice address in California. 31% 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 4% of them.
- NPI issued2006 · 4% of these records are older, 56% newer
- In a Medicare fileNo · 31% of these records are
- In the CMS Doctors and Clinicians fileNo · 8% of these records are
- Record last updated2007 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
28 pediatrics physician records list a practice address in Huntington Beach
They are 28 of the 4,031 NPPES records with a practice address in Huntington 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 9,272 in California → Every provider in Huntington Beach → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Connie Bartlett, D.O.Huntington Beach, CA 926471669561858
- Clara Chau, M.D.Huntington Beach, CA 926471912151986
- Emily Edwards, MDHuntington Beach, CA 926471285912311
- Lawrence Feingold, M.D.Huntington Beach, CA 926471851495238
- Lisa Gershman, M.D.Huntington Beach, CA 926471316190572
- Ann Ha, M.D.Huntington Beach, CA 926471043467335
- Andrea Kallah, MDHuntington Beach, CA 926471871646182
- Celia Miyamoto, M.D.Huntington Beach, CA 926471730239344
Common questions
What is Ronald J. Cornelsen, M.D.'s NPI number?
Ronald J. Cornelsen, M.D.'s National Provider Identifier (NPI) is 1619905486, issued on Jun 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ronald J. Cornelsen, M.D. located?
The NPPES record lists a practice address at 17822 Beach Blvd, Huntington Beach, CA, 92647. Phone: (714) 842-1441. Providers update this record themselves, so call before visiting.
How can I verify Ronald J. Cornelsen, M.D.'s license?
NPPES lists California license number A20219, 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.