Cameron John Lenahan, DO
General Practice Physician · Oceanside, CA
Cameron John Lenahan, DO is a general practice physician with a practice address in Oceanside, California, and NPI 1508502444, issued on May 12, 2022. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Cameron John Lenahan
- Credential
- DO
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- 0102208025 VA
Self-reported in NPPES; status is on the state search - Practice location
- 200 Mercy Circle, Oceanside, CA 92055
- Phone
- (760) 725-1288
- Enumerated
- May 12, 2022
- Record last updated
- May 28, 2024
- Medicare enrollment
- Enrolled (PECOS I20250121003103); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 1,956 in California → Look up another NPI →
Also registered at 200 Mercy Circle
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Cameron John Lenahan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Somagen Healthcare IncSantee, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cameron John Lenahan among 1,956 general practice physician records in California
Cameron John Lenahan, DO is one of 1,956 general practice physician records with a practice address in California. 48% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 88% of them.
- NPI issued2022 · 88% of these records are older, 9% newer
- In a Medicare fileYes · 48% of these records are
- In the CMS Doctors and Clinicians fileYes · 27% of these records are
- Graduated2022 · median 1994 among the 520 with a school on file
- Record last updated2024 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
General Practice Physician providers in California
There are 1,956 general practice physician records in California.
All 1,956 in California → Every provider in Oceanside → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Meera Cheerharan, MDCamp Pendleton, CA 920551932442035
- John Chen, MDCamp Pendleton, CA 920551861953713
- Mona Colianno, D.O.Camp Pendleton, CA 920551124292701
- Rachel Daniell, MDCamp Pendleton, CA 920551992265425
- Charles Farwell, M.D.Camp Pendleton, CA 920551811009079
- James Liang, D.O.Camp Pendleton, CA 920551043263387
- Jillian Martin, M.D.Camp Pendleton, CA 920551194726943
- Nicholis Morales, MDOceanside, CA 920551104386929
Common questions
What is Cameron John Lenahan, DO's NPI number?
Cameron John Lenahan, DO's National Provider Identifier (NPI) is 1508502444, issued on May 12, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Cameron John Lenahan, DO located?
The NPPES record lists a practice address at 200 Mercy Circle, Oceanside, CA, 92055. Phone: (760) 725-1288. Providers update this record themselves, so call before visiting.
How can I verify Cameron John Lenahan, DO's license?
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.