Kenneth Lloyd Rexinger, M.D.
Internal Medicine Physician · San Clemente, CA
Kenneth Lloyd Rexinger, M.D. is an internal medicine physician with a practice address in San Clemente, California, and NPI 1003809963, issued on Aug 25, 2005. Check the license (California G69073, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Kenneth Lloyd Rexinger
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G69073 CA
Self-reported in NPPES; status is on the state search - Practice location
- 831 Via Suerte, San Clemente, CA 92673
- Phone
- (949) 364-5600
- Enumerated
- Aug 25, 2005
- Record last updated
- Nov 10, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (949) 364-2231
- Medicare enrollment
- Enrolled (PECOS I20110215000958); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 1989
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 831 Via Suerte
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Daniel Depmore, P.A.Medical Physician Assistant1336151224
- Kelly Fee, PAMedical Physician Assistant1831478742
- Torsten Kruse, M.D.Internal Medicine Physician1972644482
- Elwyn Rexinger, M.D.Family Medicine Physician1578555215
Verify Kenneth Lloyd Rexinger in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G69073Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
28% more Medicare Part D claims than the average internal medicine physician in 2024
4,060 Medicare Part D claims for 428 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 89 claims were for opioids.
Most prescribed
- Levothyroxine Sodium215 claims
- Rosuvastatin Calcium206 claims
- Atorvastatin Calcium167 claims
- Amlodipine Besylate135 claims
- Losartan Potassium120 claims
- Mounjaro88 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $972.85
45 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Providence Medical FoundationFullerton, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kenneth Lloyd Rexinger among 17,696 internal medicine physician records in California
Kenneth Lloyd Rexinger, M.D. is one of 17,696 internal medicine 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. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1989 · median 2004 among the 11,065 with a school on file
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
16 internal medicine physician records list a practice address in San Clemente
They are 16 of the 969 NPPES records with a practice address in San Clemente, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Clemente → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Greg Brown, M.D.San Clemente, CA 926731720135346
- Lawrence Chang, M.D.San Clemente, CA 926731528046430
- Steven Cullen, MDSan Clemente, CA 926731487765731
- Karen Garner, MDSan Clemente, CA 926731770639189
- Nick Karahalios, MDSan Clemente, CA 926731255442505
- Seema Khan, M.DSan Clemente, CA 926731376795617
- Torsten Kruse, M.D.San Clemente, CA 926731972644482
- Simon Outhwaite, MDSan Clemente, CA 926731851402002
Common questions
What is Kenneth Lloyd Rexinger, M.D.'s NPI number?
Kenneth Lloyd Rexinger, M.D.'s National Provider Identifier (NPI) is 1003809963, issued on Aug 25, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Kenneth Lloyd Rexinger, M.D. located?
The NPPES record lists a practice address at 831 Via Suerte, San Clemente, CA, 92673. Phone: (949) 364-5600. Providers update this record themselves, so call before visiting.
How can I verify Kenneth Lloyd Rexinger, M.D.'s license?
NPPES lists California license number G69073, 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.
How much does Kenneth Lloyd Rexinger, M.D. prescribe under Medicare Part D?
In 2024, Kenneth Lloyd Rexinger, M.D. had 4,060 Medicare Part D claims for 428 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.