Lawrence Robert O'Connor, M.D.
Interventional Cardiology Physician · Glendale, CA
Lawrence Robert O'Connor, M.D. is an interventional cardiology physician with a practice address in Glendale, California, and NPI 1851434898, issued on Feb 15, 2007. Check the license (California A25238, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Lawrence Robert O'Connor
- Credential
- M.D.
- Primary taxonomy
- Interventional Cardiology Physician 207RI0011X
- License number
- A25238 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1510 S Central Ave, Glendale, CA 91204
- Phone
- (818) 242-8816
- Enumerated
- Feb 15, 2007
- Record last updated
- Aug 30, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (818) 242-0610
- Medicare enrollment
- Enrolled (PECOS I20100823000398); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 1971
- Entity
- Type 1 · individual
8 nearest interventional cardiology physician records → All 632 in California → Look up another NPI →
Also registered at 1510 S Central Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Susan Chobanian, M.D.Otolaryngology Physician1144402405
- Tinny DinhOphthalmology Physician1750593109
- Sherif El-Harazi, MD MPHOphthalmology Physician1982714887
Verify Lawrence Robert O'Connor in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A25238Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average interventional cardiology physician in 2024
6,880 Medicare Part D claims for 526 beneficiaries, against an average of 3,179 among the 6,605 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Carvedilol526 claims
- Atorvastatin Calcium508 claims
- Rosuvastatin Calcium488 claims
- Ezetimibe453 claims
- Eliquis427 claims
- Metoprolol Succinate310 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 71.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $3,513.94
138 payments; by number, the most common kind was food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, Inc. The 6,394 providers of this specialty with any payment received $7,062.29 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.
One hospital affiliation
- Glendale Adventist Medical CenterGlendale, CA · Acute Care Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Lawrence Robert O'Connor among 632 interventional cardiology physician records in California
Lawrence Robert O'Connor, M.D. is one of 632 interventional cardiology physician records with a practice address in California. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 48% of them.
- NPI issued2007 · 48% of these records are older, 38% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 83% of these records are
- Graduated1971 · median 2001 among the 526 with a school on file
- Record last updated2010 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0011X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Interventional Cardiology Physician providers in California
There are 632 interventional cardiology physician records in California.
All 632 in California → Every provider in Glendale → Interventional Cardiology Physician nationwide →
The 8 interventional cardiology physician records with the nearest ZIP codes
- Haig Lafian, D.O.Glendale, CA 912041497175558
- Don Lee, M.D.Glendale, CA 912041104806421
- Yung-Hsi Wen, M.D.Glendale, CA 912041366585309
- Amir Sadrzadeh Rafie, M.D.Glendale, CA 912031508031949
- Sarkis Kiramijyan, MDGlendale, CA 912061780841510
- Thanh Nguyen, D.OGlendale, CA 912061134165194
- Hossein Dehghani, M.D.Glendale, CA 912011316156797
- Christakis Christodoulou, M.D.Pasadena, CA 911071043396732
Common questions
What is Lawrence Robert O'Connor, M.D.'s NPI number?
Lawrence Robert O'Connor, M.D.'s National Provider Identifier (NPI) is 1851434898, issued on Feb 15, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Lawrence Robert O'Connor, M.D. located?
The NPPES record lists a practice address at 1510 S Central Ave, Glendale, CA, 91204. Phone: (818) 242-8816. Providers update this record themselves, so call before visiting.
How can I verify Lawrence Robert O'Connor, M.D.'s license?
NPPES lists California license number A25238, 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 Lawrence Robert O'Connor, M.D. prescribe under Medicare Part D?
In 2024, Lawrence Robert O'Connor, M.D. had 6,880 Medicare Part D claims for 526 beneficiaries; the average among interventional cardiology physician prescribers was 3,179. Part D covers Medicare prescriptions only.
What is Lawrence Robert O'Connor, M.D.'s MIPS final score?
The 2023 MIPS final score is 71.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.