Dr. Robert S. Lee, MD

  • Los Alamitos, CA
  • Interventional cardiologist
NPI1861684201PAC ID7810044658
Medicare services, 2024
4,659
Medicare patients, 2024
1,347
Part D claims, 2024
3,597
MIPS score, 2024
95
Hospital affiliations
3
Practice address
5300 Katella Ave, Los Alamitos, CA 90720-2808
Practice phone
Call (562) 430-7533
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Los Alamitos Cardiovascular

Multi-specialty group site · Los Alamitos, California

See all 5 affiliations

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Dr. Robert S. Lee is an interventional cardiologist in Los Alamitos, California

Dr. Lee practices at Los Alamitos Cardiovascular in Los Alamitos, California.

Dr. Lee's NPI, 1861684201, was assigned on August 9, 2007. Dr. Lee graduated from Drexel University College Of Medicine in 2005. Dr. Lee holds California license A97379.

NPI and contact details
Medicare PAC ID
7810044658
NPI enumeration date
August 9, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(562) 430-7533
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
46
Medical school graduation
2005

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Robert S. Lee practices at Los Alamitos Cardiovascular in Los Alamitos, California

Dr. Lee's primary practice is Los Alamitos Cardiovascular, at 5300 Katella Ave, Los Alamitos, CA 90720-2808. The practice phone is (562) 430-7533.

  • Los Alamitos Cardiovascular
    5300 Katella Ave, Los Alamitos, CA 90720-2808Phone(562) 430-7533

Source: Dmand AI Affiliation Data

Dr. Robert S. Lee is affiliated with 4 sites of care and 1 medical group

Dr. Lee's primary practice is Los Alamitos Cardiovascular in Los Alamitos, California. Dr. Lee is also affiliated with UCI Health - Orange. The medical group on file is Los Alamitos Cardiovascular. Dmand AI also links Dr. Lee to 2 more hospitals, each named with a free account.

See all 5 affiliations for Dr. Lee

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Robert S. Lee's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lee practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Los Alamitos CardiovascularAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Robert S. Lee is one of 582 interventional cardiologists in California

Interventional cardiology is Dr. Lee's primary specialty in the NPI Registry, under taxonomy code 207RI0011X. Dr. Lee is board certified in cardiovascular disease by the American Board of Internal Medicine. Dr. Lee is licensed in California.

Specialties and state licenses

  • Interventional cardiology, CaliforniaPrimaryLicense A97379 · 2006 to 2026 · taxonomy 207RI0011X

Clinical focus

Dmand AI lists angioplasty and cardiac catheterization among the conditions Dr. Lee treats.

Interventional cardiologists near Dr. Lee

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

582interventional cardiologists in California
4interventional cardiologists in Los Alamitos

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

Dr. Robert S. Lee billed Medicare for 4,659 services in 2024

CMS data shows 4,659 Medicare services from Dr. Lee across 29 procedure codes in 2024, for 1,347 Medicare patients. Medicare paid $323,573 for them.

Medicare services, 20244,659
Medicare patients1,347
Paid by Medicare$323,573
Procedure codes29

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

  • 2023
  • 2024
Tests and treatments
2023: 1,6942024: 1,88511%
Office and hospital visits
2023: 1,4932024: 1,6017%
Other services
2023: 742024: 1,0211280%
Drugs given in the office
2023: 1072024: 1168%
Imaging
2023: 372024: 363%

Where Dr. Lee's Medicare services took place, 2024

  • In an office3,17768%
  • In a facility1,48232%

Dr. Lee compared with the California median for interventional cardiologists, 2024

  • Dr. Lee
  • California median
Medicare services
4,659vs 2,38795% above
Medicare patients
1,347vs 75179% above
Part D claims
3,351vs 1,82684% above

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

Dr. Lee'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. Lee

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

Dr. Robert S. Lee treated 1,347 Medicare patients in 2024, average age 77

CMS counts 1,347 Medicare patients who saw Dr. Lee in 2024. The largest group is 75 to 84, with 564 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 28% are also on Medicaid. Their average risk score is 2.03, 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. Lee's median patient age at 72, with 49% women.

Medicare patients, 20241,347
Average age77
Average risk score2.03
Also on Medicaid28%

Dr. Lee's Medicare patients by age, 2024

Dr. Lee's Medicare patients by sex, 2024

  • Women73254%
  • Men61546%

Chronic conditions among Dr. Lee's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis51%
  4. Diabetes45%
  5. Chronic kidney disease40%
  6. Ischemic heart disease40%
  7. Atrial fibrillation37%
  8. Heart failure36%

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

Dr. Lee's patients across all payers

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

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women49%
  • Men50%

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

Dr. Robert S. Lee wrote 3,597 Medicare Part D claims in 2024

In 2024, Dr. Lee wrote 3,597 Medicare Part D claims for 618 patients. 77% of them were for generic drugs. CMS names the drug for 3,351 of them, across 40 drugs with 11 or more claims each, at $931,848 in total drug cost. In 2023, CMS named 3,829 claims across 49 drugs.

Part D claims, 20243,597
Drugs named by CMS40
Total drug cost$931,848
Part D patients618

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

  • Generic2,753 claims77%
  • Brand-name844 claims23%

Dr. Lee'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: 3,8292024: 3,35112%

Drugs named by CMS: 40 in 2024, 49 in 2023.

See all prescribing by Dr. Lee

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. Robert S. Lee scored 95 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. Lee for performance year 2024, reported individually. Dr. Lee accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Lee as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Lee's MIPS scores, performance year 2024

  • 95of 100Final score
  • 81.7of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 72of 100Cost

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

Coronary angioplasty and stenting: 1 to 10 procedures (CMS shows small counts as a range)

Varicose vein removal: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. Robert S. Lee received $17,380 in industry payments from 2016 to 2025

CMS Open Payments shows 652 general payments to Dr. Lee from 59 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 71% of the total. Intuitive Surgical, Inc. paid the most, $5,028.

General payments to Dr. Lee by program year, 2016 to 2025

General payments to Dr. Lee by kind, 2016 to 2025

$17.4Kin total
  • Food and beverage$12,28771%
  • Speaker and faculty fees$3,00017%
  • Travel and lodging$2,02812%
  • Education$660%

Companies that paid Dr. Lee the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Lee

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

Dr. Robert S. Lee graduated from Drexel University College Of Medicine

Dr. Lee graduated from Drexel University College Of Medicine in 2005.

  1. Medical schoolDrexel University College Of Medicine
  2. Board certified in cardiovascular diseaseAmerican Board of Internal Medicine
  3. Board certified in interventional cardiologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Robert S. Lee accepts plans from 16 insurance carriers

Dr. Lee is in network with 16 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.

Plan types Dr. Lee accepts, by number of carriers

  1. Medicare10
  2. PPO10
  3. HMO8
  4. POS5
  5. EPO4

Source: Dmand AI Insurance Network Data

Sources for Dr. Robert S. Lee'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 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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. Robert S. Lee

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. Robert S. Lee's NPI number?

Dr. Robert S. Lee's NPI number is 1861684201. It was assigned on August 9, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Robert S. Lee?

Dr. Robert S. Lee is an interventional cardiologist in Los Alamitos, California. The primary specialty in the NPI Registry is Interventional Cardiology Physician (taxonomy code 207RI0011X).

Where does Dr. Robert S. Lee practice?

Dr. Lee practices at 5300 Katella Ave, Los Alamitos, CA 90720-2808. Dr. Lee's primary practice is Los Alamitos Cardiovascular in Los Alamitos, California. Dmand AI also links Dr. Lee to 2 hospitals.

What is Dr. Robert S. Lee's office phone number?

The practice phone on file for Dr. Lee is (562) 430-7533.

What is Dr. Robert S. Lee's medical license number?

Dr. Lee holds California license A97379.

Which hospitals is Dr. Robert S. Lee affiliated with?

Dr. Lee is affiliated with UCI Health - Orange. Dmand AI links Dr. Lee to 2 more hospitals.

What medical group is Dr. Robert S. Lee part of?

Dr. Lee is linked to Los Alamitos Cardiovascular.

Does Dr. Robert S. Lee accept Medicare?

Yes. CMS data shows Dr. Lee billed Medicare for 4,659 services in 2024, and Dr. Lee accepts Medicare assignment.

Does Dr. Robert S. Lee offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Lee as offering telehealth services.

What is Dr. Robert S. Lee's MIPS score?

Dr. Lee's MIPS final score for performance year 2024 is 95 out of 100, reported individually.

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. Robert S. Lee see?

CMS counts 1,347 Medicare patients who saw Dr. Lee in 2024, with an average age of 77.

Is Dr. Robert S. Lee board certified?

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

What services does Dr. Robert S. Lee bill to Medicare?

In 2024, Dr. Lee's most billed Medicare services were medicare service (G2211), heart test or procedure (93010) and office visit, established patient (99214).

Where did Dr. Robert S. Lee go to medical school?

Dr. Lee graduated from Drexel University College Of Medicine in 2005.

What drugs does Dr. Robert S. Lee prescribe most?

In 2024 Medicare Part D data, Dr. Lee's most prescribed drugs by claims were Metoprolol Succinate, Eliquis and Rosuvastatin Calcium.

Has Dr. Robert S. Lee received payments from drug or device companies?

CMS Open Payments shows $17,380 in general payments to Dr. Lee from 59 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.

How long has Dr. Robert S. Lee been practicing?

Dr. Lee graduated from medical school in 2005, 21 years ago.

What insurance does Dr. Robert S. Lee accept?

Dr. Lee is in network with 16 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.

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