Dr. Lawrence Robert O'Connor, MD

  • Glendale, CA
  • Interventional cardiologist
NPI1851434898
Medicare services, 2024
2,415
Medicare patients, 2024
812
Part D claims, 2024
6,880
MIPS score, 2024
96
Hospital affiliations
1
Practice address
1509 E Wilson Terrace, Glendale, CA 91206
Practice phone
Call (818) 409-8202
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Adventist Health Glendale

Hospital · Glendale, California

See all 5 affiliations

Find Dr. O'Connor's professional email, personal email and mobile number

Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.

View contacts for free

Dr. Lawrence Robert O'Connor is an interventional cardiologist in Glendale, California

Dr. O'Connor practices at Adventist Health Glendale in Glendale, California, part of Adventist Health.

Dr. O'Connor's NPI, 1851434898, was assigned on February 15, 2007. Dr. O'Connor graduated from David Geffen School of Medicine at UCLA in 1971. Dr. O'Connor's California license number on file is A25238.

NPI and contact details
NPI enumeration date
February 15, 2007
NPI status
Active
Practice phone
(818) 409-8202
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
81
Medical school graduation
1971

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Dr. Lawrence Robert O'Connor practices at Adventist Health Glendale in Glendale, California

Dr. O'Connor's primary practice is Adventist Health Glendale, at 1509 E Wilson Terrace, Glendale, CA 91206 in Los Angeles County. The practice phone is (818) 409-8202.

Source: Dmand AI Affiliation Data

Dr. Lawrence Robert O'Connor is affiliated with 2 sites of care and 3 medical groups

Dr. O'Connor's primary practice is Adventist Health Glendale in Glendale, California, part of Adventist Health. The medical group on file is Adventist Health Glendale. Dmand AI also links Dr. O'Connor to 2 more medical groups and 1 group practice or clinic, each named with a free account. Dr. O'Connor's employer is on file too: a hospital.

See all 5 affiliations for Dr. O'Connor

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Lawrence Robert O'Connor's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Connor practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Adventist Health GlendaleAvailable with a free account
+1 more site and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. O'Connor practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across Adventist Health and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Lawrence Robert O'Connor is one of 582 interventional cardiologists in California

Interventional cardiology is Dr. O'Connor's primary specialty in the NPI Registry, under taxonomy code 207RI0011X. Dr. O'Connor is board certified in cardiovascular disease by the American Board of Internal Medicine. Dr. O'Connor has a license on file in California.

Specialties and state licenses

  • Interventional cardiology, CaliforniaPrimaryLicense A25238 · 1973 to 2025 · taxonomy 207RI0011X

Clinical focus

Dmand AI lists aneurysm, aortic atherosclerois, atrial fibrillation and flutter, cardiomyopathy, chronic hypertension, coronary artery disease, endocarditis and heart blockage among the conditions Dr. O'Connor treats.

Interventional cardiologists near Dr. O'Connor

Counts of interventional cardiologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Lawrence Robert O'Connor billed Medicare for 2,415 services in 2024

CMS data shows 2,415 Medicare services from Dr. O'Connor across 9 procedure codes in 2024, for 812 Medicare patients. Medicare paid $156,096 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 20242,415
Medicare patients812
Paid by Medicare$156,096
Procedure codes9

Dr. O'Connor's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2,0482024: 1,9226%
Tests and treatments
2023: 5842024: 49316%

Dr. O'Connor compared with the California median for interventional cardiologists, 2024

  • Dr. O'Connor
  • California median
Medicare services
2,415vs 2,387Close to median
Medicare patients
812vs 7518% above
Part D claims
6,602vs 1,8263.6 times

Medians across 573 interventional cardiologists in California with Dmand AI profiles that report each measure.

Dr. O'Connor's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. O'Connor

Need commercial claims for Dr. O'Connor?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. O'Connor and other interventional cardiologists in California.

Book a meeting

Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Lawrence Robert O'Connor treated 812 Medicare patients in 2024, average age 78

CMS counts 812 Medicare patients who saw Dr. O'Connor in 2024. The largest group is 75 to 84, with 369 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 63% are also on Medicaid. Their average risk score is 1.52, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. O'Connor's median patient age at 79, with 47% women.

Medicare patients, 2024812
Average age78
Average risk score1.52
Also on Medicaid63%

Dr. O'Connor's Medicare patients by age, 2024

Dr. O'Connor's Medicare patients by sex, 2024

  • Women43954%
  • Men37346%

Chronic conditions among Dr. O'Connor's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis72%
  4. Ischemic heart disease70%
  5. Diabetes58%
  6. Chronic kidney disease48%
  7. Mood disorders37%
  8. Depression35%

Share of Medicare patients with each condition. A patient can have several.

Dr. O'Connor's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 79

Patient panel by sex, all payers

  • Women47%
  • Men53%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Lawrence Robert O'Connor wrote 6,880 Medicare Part D claims in 2024

In 2024, Dr. O'Connor wrote 6,880 Medicare Part D claims for 526 patients. 79% of them were for generic drugs. CMS names the drug for 6,602 of them, across 65 drugs with 11 or more claims each, at $1,495,551 in total drug cost. In 2023, CMS named 6,509 claims across 68 drugs.

Part D claims, 20246,880
Drugs named by CMS65
Total drug cost$1.5M
Part D patients526

Dr. O'Connor's Part D claims by kind of drug, 2024

  • Generic5,468 claims79%
  • Brand-name1,412 claims21%

Dr. O'Connor's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 6,5092024: 6,6021%

Drugs named by CMS: 65 in 2024, 68 in 2023.

See all prescribing by Dr. O'Connor

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Lawrence Robert O'Connor scored 96 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 96 out of 100 for Dr. O'Connor for performance year 2024, reported through an alternative payment model (APM).

Dr. O'Connor's MIPS scores, performance year 2024

  • 96of 100Final score
  • 81.5of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

For MedTech and pharma teams

Find interventional cardiologists like Dr. O'Connor by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. Lawrence Robert O'Connor received $25,188 in industry payments from 2016 to 2025

CMS Open Payments shows 1,038 general payments to Dr. O'Connor from 49 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 97% of the total. Abbott Laboratories paid the most, $3,175.

General payments to Dr. O'Connor by program year, 2016 to 2025

General payments to Dr. O'Connor by kind, 2016 to 2025

$25.2Kin total
  • Food and beverage$24,35197%
  • Travel and lodging$6513%
  • Education$1861%

Companies that paid Dr. O'Connor the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. O'Connor

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Lawrence Robert O'Connor has 1 award and honors on record

Dmand AI lists 1 award for Dr. O'Connor.

Awards and honors for Dr. O'Connor

  1. Undated
    • ACC Fellow

Source: Dmand AI Professional Profile Data

Dr. Lawrence Robert O'Connor graduated from David Geffen School of Medicine at UCLA

Dr. O'Connor graduated from David Geffen School of Medicine at UCLA in 1971.

  1. Medical schoolDavid Geffen School of Medicine at UCLA
  2. Board certified in cardiovascular diseaseAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Lawrence Robert O'Connor accepts plans from 17 insurance carriers

Dr. O'Connor is in network with 17 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. HMO plans come from the most carriers, 10. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Excellus BlueCross BlueShield
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • HCSC
  • Aspirus Health Plan
  • Blue Cross Blue Shield of Massachusetts
  • +9 more carriersWith a free account

Plan types Dr. O'Connor accepts, by number of carriers

  1. HMO10
  2. Medicare10
  3. PPO10
  4. POS6
  5. EPO5

Source: Dmand AI Insurance Network Data

Sources for Dr. Lawrence Robert O'Connor's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesClinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Lawrence Robert O'Connor

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Lawrence Robert O'Connor's NPI number?

Dr. Lawrence Robert O'Connor's NPI number is 1851434898. It was assigned on February 15, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Lawrence Robert O'Connor?

Dr. Lawrence Robert O'Connor is an interventional cardiologist in Glendale, California. The primary specialty in the NPI Registry is Interventional Cardiology Physician (taxonomy code 207RI0011X).

Where does Dr. Lawrence Robert O'Connor practice?

Dr. O'Connor practices at 1509 E Wilson Terrace, Glendale, CA 91206. Dr. O'Connor's primary practice is Adventist Health Glendale in Glendale, California, part of Adventist Health. Dmand AI also links Dr. O'Connor to 2 medical groups and 1 group practice or clinic.

What is Dr. Lawrence Robert O'Connor's office phone number?

The practice phone on file for Dr. O'Connor is (818) 409-8202.

What is Dr. Lawrence Robert O'Connor's medical license number?

Dr. O'Connor's California license number on file is A25238.

Which hospitals is Dr. Lawrence Robert O'Connor affiliated with?

Dr. O'Connor practices at Adventist Health Glendale in Glendale, California.

What medical group is Dr. Lawrence Robert O'Connor part of?

Dr. O'Connor is linked to Adventist Health Glendale. Dmand AI links Dr. O'Connor to 2 more medical groups.

Does Dr. Lawrence Robert O'Connor accept Medicare?

Yes. CMS data shows Dr. O'Connor billed Medicare for 2,415 services in 2024.

What is Dr. Lawrence Robert O'Connor's MIPS score?

Dr. O'Connor's MIPS final score for performance year 2024 is 96 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does Dr. Lawrence Robert O'Connor see?

CMS counts 812 Medicare patients who saw Dr. O'Connor in 2024, with an average age of 78.

Show 7 more questionsShow fewer questions

Is Dr. Lawrence Robert O'Connor board certified?

Yes. Dr. O'Connor is board certified in cardiovascular disease by the American Board of Internal Medicine.

What services does Dr. Lawrence Robert O'Connor bill to Medicare?

In 2024, Dr. O'Connor's most billed Medicare services were office visit, established patient (99214), heart test or procedure (93306) and heart test or procedure (93016).

Where did Dr. Lawrence Robert O'Connor go to medical school?

Dr. O'Connor graduated from David Geffen School of Medicine at UCLA in 1971.

What drugs does Dr. Lawrence Robert O'Connor prescribe most?

In 2024 Medicare Part D data, Dr. O'Connor's most prescribed drugs by claims were Carvedilol, Atorvastatin Calcium and Rosuvastatin Calcium.

Has Dr. Lawrence Robert O'Connor received payments from drug or device companies?

CMS Open Payments shows $25,188 in general payments to Dr. O'Connor from 49 companies from 2016 to 2025. The largest total came from Abbott Laboratories.

How long has Dr. Lawrence Robert O'Connor been practicing?

Dr. O'Connor graduated from medical school in 1971, 55 years ago.

What insurance does Dr. Lawrence Robert O'Connor accept?

Dr. O'Connor is in network with 17 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. HMO plans come from the most carriers, 10. Check the plan with the practice before a visit.

Selling to interventional cardiology practices?

See interventional cardiologists in California by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)