Dr. Thomas John McCarthy, MD

  • La Jolla, CA
  • Hospitalist
NPI1780992073PAC ID2860665015
Medicare services, 2024
888
Medicare patients, 2024
273
Part D claims, 2024
186
Publications
6
Clinical trials
1
Practice address
9888 Genesee Avenue, La Jolla, CA 92037
Practice phone
Call (858) 626-4123
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Scripps Memorial Hospital La Jolla

Hospital · La Jolla, California

See all 4 affiliations

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Dr. Thomas John McCarthy is a hospitalist in La Jolla, California

Dr. McCarthy practices at Scripps Memorial Hospital La Jolla in La Jolla, California, part of Scripps Health.

Dr. McCarthy's NPI, 1780992073, was assigned on September 20, 2010. Dr. McCarthy graduated from Creighton University School of Medicine - Omaha in 2009. Dr. McCarthy holds California license A114070.

NPI and contact details
Medicare PAC ID
2860665015
NPI enumeration date
September 20, 2010
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(858) 626-4123
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
43
Medical school graduation
2009

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

Dr. Thomas John McCarthy practices at Scripps Memorial Hospital La Jolla in La Jolla, California

Dr. McCarthy's primary practice is Scripps Memorial Hospital La Jolla, at 9888 Genesee Avenue, La Jolla, CA 92037 in San Diego County. The practice phone is (858) 626-4123.

Source: Dmand AI Affiliation Data

Dr. Thomas John McCarthy is affiliated with 3 sites of care and 1 medical group

Dr. McCarthy's primary practice is Scripps Memorial Hospital La Jolla in La Jolla, California, part of Scripps Health. Dr. McCarthy is also affiliated with Scripps Green Hospital. The medical group on file is Scripps Clinic Medical Group. Dmand AI also links Dr. McCarthy to 1 more physician office, named with a free account.

See all 4 affiliations for Dr. McCarthy

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

Dmand AI tracks the EHR system at Dr. Thomas John McCarthy's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. McCarthy practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Scripps Memorial Hospital La JollaAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Thomas John McCarthy is one of 3,186 hospitalists in California

Hospitalist is Dr. McCarthy's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. McCarthy is board certified in internal medicine by the American Board of Internal Medicine. Dr. McCarthy is licensed in California.

Specialties and state licenses

  • Hospitalist, CaliforniaPrimaryLicense A 114070 · 2010 to 2026 · taxonomy 208M00000X

Clinical focus

Dmand AI lists acute respiratory failure, anemia, cardiac arrhythmia, cellulitis, chest trauma, circulation problems, electrolyte disorders and gastrointestinal bleeding among the conditions Dr. McCarthy treats.

Hospitalists near Dr. McCarthy

Counts of hospitalists 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 John McCarthy billed Medicare for 888 services in 2024

CMS data shows 888 Medicare services from Dr. McCarthy across 5 procedure codes in 2024, for 273 Medicare patients. Medicare paid $69,659 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024888
Medicare patients273
Paid by Medicare$69,659
Procedure codes5

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

  • 2023
  • 2024
Office and hospital visits
2023: 7322024: 88821%

Dr. McCarthy compared with the California median for hospitalists, 2024

  • Dr. McCarthy
  • California median
Medicare services
888vs 4302.1 times
Medicare patients
273vs 20136% above
Part D claims
39vs 6943% below

Medians across 2,991 hospitalists in California with Dmand AI profiles that report each measure.

Dr. McCarthy'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. McCarthy

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

Dr. Thomas John McCarthy treated 273 Medicare patients in 2024, average age 78

CMS counts 273 Medicare patients who saw Dr. McCarthy in 2024. The largest group is 75 to 84, with 109 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 14% are also on Medicaid. Their average risk score is 2.53, 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. McCarthy's median patient age at 70, with 52% women.

Medicare patients, 2024273
Average age78
Average risk score2.53
Also on Medicaid14%

Dr. McCarthy's Medicare patients by age, 2024

Dr. McCarthy's Medicare patients by sex, 2024

  • Women14754%
  • Men12646%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis64%
  4. Chronic kidney disease52%
  5. Ischemic heart disease45%
  6. Mood disorders45%
  7. Depression44%
  8. Heart failure42%

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

Dr. McCarthy's patients across all payers

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

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women52%
  • Men47%

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

Dr. Thomas John McCarthy wrote 186 Medicare Part D claims in 2024

In 2024, Dr. McCarthy wrote 186 Medicare Part D claims for 101 patients. 96% of them were for generic drugs. CMS names the drug for 39 of them, across 3 drugs with 11 or more claims each, at $206 in total drug cost. In 2023, CMS named 13 claims across 1 drug.

Part D claims, 2024186
Drugs named by CMS3
Total drug cost$206
Part D patients101

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

  • Generic179 claims96%
  • Brand-name and other7 claims4%

Dr. McCarthy'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.

Drug classes CMS tracks in Dr. McCarthy's Part D claims, 2024

  • Opioids11%21 of 186 claims
  • Antibiotics28%53 of 186 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 132024: 39200%

Drugs named by CMS: 3 in 2024, 1 in 2023.

See all prescribing by Dr. McCarthy

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 John McCarthy takes part in Medicare

Dr. McCarthy 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 John McCarthy has 6 publications on record

Dmand AI links 6 papers to Dr. McCarthy, published from 2010 to 2019. Dr. McCarthy's most frequent co-authors are Danica Brown Liberman, MD and Jackson Streeter, MD.

Papers6
Years published2010 to 2019

Dr. McCarthy's papers by year, 2010 to 2019

Dr. McCarthy's most frequent co-authors

Recent publications by Dr. McCarthy

See all 6 publications and co-authors

See who Dr. McCarthy researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. McCarthy works with, so you can find a warm path to the right hospitalists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Thomas John McCarthy has worked on 1 clinical trial

Dmand AI links Dr. McCarthy to 1 clinical trial. Conditions studied include Delirium and Confusion.

Conditions in Dr. McCarthy's trials

  • Delirium
  • Confusion

Investigators on the most trials with Dr. McCarthy

Recent clinical trials with Dr. McCarthy

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Thomas John McCarthy received $19 in industry payments in 2023

CMS Open Payments shows 1 general payment to Dr. McCarthy from 1 drug or device company in 2023. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $19.

Companies that paid Dr. McCarthy the most, 2023 to 2023

Share is of all general payments to this clinician.

See all payments to Dr. McCarthy

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

Dr. Thomas John McCarthy graduated from Creighton University School of Medicine - Omaha

Dr. McCarthy graduated from Creighton University School of Medicine - Omaha in 2009.

  1. Medical schoolCreighton University School of Medicine - Omaha
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Thomas John McCarthy accepts plans from 8 insurance carriers

Dr. McCarthy is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • Blue Cross and Blue Shield of Kansas City
  • CMS Medicare

Plan types Dr. McCarthy accepts, by number of carriers

  1. Medicare7
  2. PPO6
  3. HMO3
  4. POS3
  5. EPO2

Source: Dmand AI Insurance Network Data

Sources for Dr. Thomas John McCarthy'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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (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. Thomas John McCarthy

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 John McCarthy's NPI number?

Dr. Thomas John McCarthy's NPI number is 1780992073. It was assigned on September 20, 2010, and it is active in the NPI Registry.

What kind of doctor is Dr. Thomas John McCarthy?

Dr. Thomas John McCarthy is a hospitalist in La Jolla, California. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).

Where does Dr. Thomas John McCarthy practice?

Dr. McCarthy practices at 9888 Genesee Avenue, La Jolla, CA 92037. Dr. McCarthy's primary practice is Scripps Memorial Hospital La Jolla in La Jolla, California, part of Scripps Health. Dmand AI also links Dr. McCarthy to 1 physician office.

What is Dr. Thomas John McCarthy's office phone number?

The practice phone on file for Dr. McCarthy is (858) 626-4123.

What is Dr. Thomas John McCarthy's medical license number?

Dr. McCarthy holds California license A114070.

Which hospitals is Dr. Thomas John McCarthy affiliated with?

Dr. McCarthy practices at Scripps Memorial Hospital La Jolla in La Jolla, California. Dr. McCarthy is also affiliated with Scripps Green Hospital.

What medical group is Dr. Thomas John McCarthy part of?

Dr. McCarthy is linked to Scripps Clinic Medical Group.

Does Dr. Thomas John McCarthy accept Medicare?

Yes. CMS data shows Dr. McCarthy billed Medicare for 888 services in 2024, and Dr. McCarthy accepts Medicare assignment.

How many Medicare patients does Dr. Thomas John McCarthy see?

CMS counts 273 Medicare patients who saw Dr. McCarthy in 2024, with an average age of 78.

Is Dr. Thomas John McCarthy board certified?

Yes. Dr. McCarthy is board certified in internal medicine by the American Board of Internal Medicine.

Show 8 more questionsShow fewer questions

What services does Dr. Thomas John McCarthy bill to Medicare?

In 2024, Dr. McCarthy's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99239).

Where did Dr. Thomas John McCarthy go to medical school?

Dr. McCarthy graduated from Creighton University School of Medicine - Omaha in 2009.

What drugs does Dr. Thomas John McCarthy prescribe most?

In 2024 Medicare Part D data, Dr. McCarthy's most prescribed drugs by claims were Cefuroxime, Prednisone and Amoxicillin-Clavulanate Potass.

Has Dr. Thomas John McCarthy received payments from drug or device companies?

CMS Open Payments shows $19 in general payments to Dr. McCarthy from 1 company from 2023 to 2023. The largest total came from Abbvie Inc.

How long has Dr. Thomas John McCarthy been practicing?

Dr. McCarthy graduated from medical school in 2009, 17 years ago.

Does Dr. Thomas John McCarthy do research?

Dmand AI links 6 publications to Dr. McCarthy, published from 2010 to 2019. Dr. McCarthy has worked on 1 clinical trial.

Who does Dr. Thomas John McCarthy publish with?

Dr. McCarthy's most frequent co-authors are Danica Brown Liberman, MD (2 shared papers) and Jackson Streeter, MD (2 shared papers).

What insurance does Dr. Thomas John McCarthy accept?

Dr. McCarthy is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

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