Dr. Thomas C. Doerner, MD

  • Los Angeles, CA
  • Interventional cardiologist
NPI1881742831PAC ID3274574132
Medicare services, 2024
86
Medicare patients, 2024
41
Part D claims, 2024
446
Industry payments
$560
Affiliated sites
1
Practice address
1701 E Cesar E Chavez Ave, Los Angeles, CA 90033
Practice phone
Call (323) 224-2040
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Loma Linda Cardiology Medical Group

Los Angeles, California

See all 3 affiliations

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Dr. Thomas C. Doerner is an interventional cardiologist in Los Angeles, California

Dr. Doerner practices at Loma Linda Cardiology Medical Group in Los Angeles, California.

Dr. Doerner's NPI, 1881742831, was assigned on January 8, 2007. Dr. Doerner graduated from University of Maryland School of Medicine - Baltimore in 1974. Dr. Doerner holds California license G30583.

NPI and contact details
Medicare PAC ID
3274574132
NPI enumeration date
January 8, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(323) 224-2040
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
78
Medical school graduation
1974

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

Dr. Thomas C. Doerner practices at Loma Linda Cardiology Medical Group in Los Angeles, California

Dr. Doerner's primary practice is Loma Linda Cardiology Medical Group, at 1701 E Cesar E Chavez Ave, Los Angeles, CA 90033 in Los Angeles County. The practice phone is (323) 224-2040.

  • Loma Linda Cardiology Medical Group
    1701 E Cesar E Chavez Ave, Los Angeles, CA 90033 · Los Angeles CountyPhone(323) 224-2040

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Thomas C. Doerner is affiliated with 2 sites of care and 1 medical group

Dr. Doerner's primary practice is Loma Linda Cardiology Medical Group in Los Angeles, California. The medical group on file is Loma Linda Cardiology Medical Group. Dmand AI also links Dr. Doerner to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Dr. Doerner

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

Dmand AI tracks the EHR system at Dr. Thomas C. Doerner's practice

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

EHR by site
SiteEHR vendor and product
Loma Linda Cardiology Medical GroupAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Thomas C. Doerner is one of 582 interventional cardiologists in California

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

Specialties and state licenses

  • Interventional cardiology, CaliforniaPrimaryLicense G30583 · 1975 to 2026 · taxonomy 207RI0011X

Clinical focus

Dmand AI lists atrial fibrillation and flutter, cardiomyopathy, chronic hypertension and coronary artery disease among the conditions Dr. Doerner treats.

Interventional cardiologists near Dr. Doerner

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. Thomas C. Doerner billed Medicare for 86 services in 2024

CMS data shows 86 Medicare services from Dr. Doerner across 2 procedure codes in 2024, for 41 Medicare patients. Medicare paid $7,367 for them. Every service was in an office.

Medicare services, 202486
Medicare patients41
Paid by Medicare$7,367
Procedure codes2

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

  • 2023
  • 2024
Office and hospital visits
2023: 562024: 7229%
Tests and treatments
2023: 02024: 14

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

  • Dr. Doerner
  • California median
Medicare services
86vs 2,38796% below
Medicare patients
41vs 75195% below
Part D claims
327vs 1,82682% below

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

Dr. Doerner'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. Doerner

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

Dr. Thomas C. Doerner treated 41 Medicare patients in 2024, average age 72

CMS counts 41 Medicare patients who saw Dr. Doerner in 2024. The largest group is 65 to 74, with 26 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.78, 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. Doerner's median patient age at 66, with 56% women.

Medicare patients, 202441
Average age72
Average risk score1.78

Dr. Doerner's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Doerner's Medicare patients by sex, 2024

  • Women3073%
  • Men1127%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis59%
  4. Diabetes59%
  5. Chronic kidney disease34%
  6. Depression32%
  7. Mood disorders32%
  8. Anxiety27%

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

Dr. Doerner's patients across all payers

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

Patient panel by age, all payers

Median age 66

Patient panel by sex, all payers

  • Women56%
  • Men44%

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

Dr. Thomas C. Doerner wrote 446 Medicare Part D claims in 2024

In 2024, Dr. Doerner wrote 446 Medicare Part D claims for 98 patients. 83% of them were for generic drugs. CMS names the drug for 327 of them, across 11 drugs with 11 or more claims each, at $53,773 in total drug cost. In 2023, CMS named 331 claims across 15 drugs.

Part D claims, 2024446
Drugs named by CMS11
Total drug cost$53,773
Part D patients98

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

  • Generic372 claims83%
  • Brand-name74 claims17%

Dr. Doerner'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: 3312024: 3271%

Drugs named by CMS: 11 in 2024, 15 in 2023.

See all prescribing by Dr. Doerner

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

How Dr. Thomas C. Doerner takes part in Medicare

Dr. Doerner accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Thomas C. Doerner received $560 in industry payments from 2016 to 2025

CMS Open Payments shows 16 general payments to Dr. Doerner from 9 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Eli Lilly and Company paid the most, $219.

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

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

Share is of all general payments to this clinician.

See all payments to Dr. Doerner

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

Dr. Thomas C. Doerner has 1 award and honors on record

Dmand AI lists 1 award for Dr. Doerner.

Awards and honors for Dr. Doerner

  1. Undated
    • ACC Fellow

Source: Dmand AI Professional Profile Data

Dr. Thomas C. Doerner graduated from University of Maryland School of Medicine - Baltimore

Dr. Doerner graduated from University of Maryland School of Medicine - Baltimore in 1974. Dr. Doerner is a member of ACC and ACP.

  1. Medical schoolUniversity of Maryland School of Medicine - Baltimore
  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. Thomas C. Doerner accepts plans from 9 insurance carriers

Dr. Doerner is in network with 9 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Massachusetts
  • Blue Cross Blue Shield of Michigan
  • HCSC
  • Regence Health Plans
  • CMS Medicare
  • Humana
  • +1 more carriersWith a free account

Plan types Dr. Doerner accepts, by number of carriers

  1. Medicare8
  2. PPO6
  3. HMO3
  4. EPO2
  5. POS2

Source: Dmand AI Insurance Network Data

Sources for Dr. Thomas C. Doerner'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)
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. Thomas C. Doerner

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. Thomas C. Doerner's NPI number?

Dr. Thomas C. Doerner's NPI number is 1881742831. It was assigned on January 8, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Thomas C. Doerner?

Dr. Thomas C. Doerner is an interventional cardiologist in Los Angeles, California. The primary specialty in the NPI Registry is Interventional Cardiology Physician (taxonomy code 207RI0011X).

Where does Dr. Thomas C. Doerner practice?

Dr. Doerner practices at 1701 E Cesar E Chavez Ave, Los Angeles, CA 90033. Dr. Doerner's primary practice is Loma Linda Cardiology Medical Group in Los Angeles, California. Dmand AI also links Dr. Doerner to 1 group practice or clinic.

What is Dr. Thomas C. Doerner's office phone number?

The practice phone on file for Dr. Doerner is (323) 224-2040.

What is Dr. Thomas C. Doerner's medical license number?

Dr. Doerner holds California license G30583.

What medical group is Dr. Thomas C. Doerner part of?

Dr. Doerner is linked to Loma Linda Cardiology Medical Group.

Does Dr. Thomas C. Doerner accept Medicare?

Yes. CMS data shows Dr. Doerner billed Medicare for 86 services in 2024, and Dr. Doerner accepts Medicare assignment.

How many Medicare patients does Dr. Thomas C. Doerner see?

CMS counts 41 Medicare patients who saw Dr. Doerner in 2024, with an average age of 72.

Is Dr. Thomas C. Doerner board certified?

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

What services does Dr. Thomas C. Doerner bill to Medicare?

In 2024, Dr. Doerner's most billed Medicare services were office visit, established patient (99214) and heart test or procedure (93000).

Show 5 more questionsShow fewer questions

Where did Dr. Thomas C. Doerner go to medical school?

Dr. Doerner graduated from University of Maryland School of Medicine - Baltimore in 1974.

What drugs does Dr. Thomas C. Doerner prescribe most?

In 2024 Medicare Part D data, Dr. Doerner's most prescribed drugs by claims were Amlodipine Besylate, Metoprolol Succinate and Atenolol.

Has Dr. Thomas C. Doerner received payments from drug or device companies?

CMS Open Payments shows $560 in general payments to Dr. Doerner from 9 companies from 2016 to 2025. The largest total came from Eli Lilly and Company.

How long has Dr. Thomas C. Doerner been practicing?

Dr. Doerner graduated from medical school in 1974, 52 years ago.

What insurance does Dr. Thomas C. Doerner accept?

Dr. Doerner is in network with 9 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

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