Timothy John O'Connell, MD
Internal Medicine Physician · Redondo Beach, CA
Timothy John O'Connell, MD is an internal medicine physician with a practice address in Redondo Beach, California, and NPI 1831155290, issued on Apr 25, 2006. Check the license (California G062957, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Timothy John O'Connell
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G062957 CA
Self-reported in NPPES; status is on the state search - Practice location
- 502 Torrance Blvd, Redondo Beach, CA 90277
- Phone
- (310) 316-0811
- Enumerated
- Apr 25, 2006
- Record last updated
- Jan 4, 2026
- Medicare enrollment
- Enrolled (PECOS I20110304000173); accepts Medicare assignment
- Medical or professional school
- University Of California, San Diego School Of Medicine, 1986
- 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 502 Torrance Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Timothy John O'Connell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G062957Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
25% more Medicare Part D claims than the average internal medicine physician in 2024
3,956 Medicare Part D claims for 432 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 50 claims were for opioids.
Most prescribed
- Atorvastatin Calcium315 claims
- Amlodipine Besylate242 claims
- Levothyroxine Sodium140 claims
- Losartan Potassium130 claims
- Lisinopril115 claims
- Tamsulosin Hcl105 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.
Bills Medicare through one group practice
- Healthcare Partners Affiliates Medical GroupTorrance, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Timothy John O'Connell among 17,696 internal medicine physician records in California
Timothy John O'Connell, MD 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1986 · median 2004 among the 11,065 with a school on file
- Record last updated2026 · 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).
28 internal medicine physician records list a practice address in Redondo Beach
They are 28 of the 1,513 NPPES records with a practice address in Redondo Beach, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Redondo Beach → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- George Alexander, M.D.Redondo Beach, CA 902771265595136
- John Armato, MDRedondo Beach, CA 902771447263926
- Weip Chen, M.D.Redondo Beach, CA 902771295754281
- Julie Delilly, M.DRedondo Beach, CA 902771790890408
- Gabriele Engelhardt, M.D.Redondo Beach, CA 902771992810634
- Diane Ferguson, M.D.Redondo Beach, CA 902771447294384
- Brian Gee, M.D.Redondo Beach, CA 902771962585828
- John Johnson, MDRedondo Beach, CA 902771194786764
Common questions
What is Timothy John O'Connell, MD's NPI number?
Timothy John O'Connell, MD's National Provider Identifier (NPI) is 1831155290, issued on Apr 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Timothy John O'Connell, MD located?
The NPPES record lists a practice address at 502 Torrance Blvd, Redondo Beach, CA, 90277. Phone: (310) 316-0811. Providers update this record themselves, so call before visiting.
How can I verify Timothy John O'Connell, MD's license?
NPPES lists California license number G062957, 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 Timothy John O'Connell, MD prescribe under Medicare Part D?
In 2024, Timothy John O'Connell, MD had 3,956 Medicare Part D claims for 432 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.