Dr. Steven P. McCarthy, MD

  • Thousand Oaks, CA
  • Internist
NPI1497765309PAC ID4082604442
Medicare services, 2024
2,149
Medicare patients, 2024
589
Part D claims, 2024
5,528
Hospital affiliations
3
Industry payments
$4,130
Practice address
100 Moody Court, Suite #100, Thousand Oaks, CA 91360
Practice phone
Call (805) 418-3444
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Thousand Oaks Pain Management Clinic

Surgery Center - Medicare-Certified · Thousand Oaks, California

See all 9 affiliations

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Dr. Steven P. McCarthy is an internist in Thousand Oaks, California

Dr. McCarthy practices at Thousand Oaks Pain Management Clinic in Thousand Oaks, California.

Dr. McCarthy's NPI, 1497765309, was assigned on August 9, 2006. Dr. McCarthy graduated from University of Illinois College of Medicine - Chicago in 1996. Dr. McCarthy's Illinois license number on file is 036-100825.

NPI and contact details
Medicare PAC ID
4082604442
NPI enumeration date
August 9, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(805) 418-3444
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
56
Medical school graduation
1996

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

Dr. Steven P. McCarthy practices at Thousand Oaks Pain Management Clinic in Thousand Oaks, California

Dr. McCarthy's primary practice is Thousand Oaks Pain Management Clinic, at 100 Moody Court, Suite #100, Thousand Oaks, CA 91360. The practice phone is (805) 418-3444.

  • Thousand Oaks Pain Management Clinic
    100 Moody Court, Suite #100, Thousand Oaks, CA 91360Phone(805) 418-3444

Source: Dmand AI Affiliation Data

Dr. Steven P. McCarthy is affiliated with 8 sites of care and 1 medical group

Dr. McCarthy's primary practice is Thousand Oaks Pain Management Clinic in Thousand Oaks, California. Dr. McCarthy is also affiliated with Los Robles Regional Medical Center. The medical group on file is UCLA Medical Group. Dmand AI also links Dr. McCarthy to 2 more hospitals, 3 home health agencies and 1 group practice or clinic, each named with a free account.

See all 9 affiliations for Dr. McCarthy

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

Dmand AI tracks the EHR system at Dr. Steven P. McCarthy's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. McCarthy practices, 8 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Thousand Oaks Pain Management ClinicAvailable with a free account
+7 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Steven P. McCarthy is one of 16,751 internists in California

Internal medicine is Dr. McCarthy's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. McCarthy is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. McCarthy's licenses on file in 2 states: Illinois and California.

Specialties and state licenses

  • Internal medicine, IllinoisPrimaryLicense 036-100825 · 1999 to 2020 · taxonomy 207R00000X
  • California licenseLicense C168171 · 2020 to 2026

Clinical focus

Dmand AI lists acid reflux, acute gallbladder or bile duct inflammation, acute gastroduodenitis, acute skin infection, aneurysm, anxiety, arthritis and asthma among the conditions Dr. McCarthy treats.

Internists near Dr. McCarthy

Counts of internists 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. Steven P. McCarthy billed Medicare for 2,149 services in 2024

CMS data shows 2,149 Medicare services from Dr. McCarthy across 17 procedure codes in 2024, for 589 Medicare patients. Medicare paid $88,586 for them. Every service was in an office.

Medicare services, 20242,149
Medicare patients589
Paid by Medicare$88,586
Procedure codes17

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

  • 2023
  • 2024
Office and hospital visits
2023: 1,2472024: 1,1815%
Other services
2023: 4212024: 74677%
Tests and treatments
2023: 2272024: 17822%
Surgery
2023: 672024: 4434%
Drugs given in the office
2023: 1,2602024: 0100%

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

  • Dr. McCarthy
  • California median
Medicare services
2,149vs 3616.0 times
Medicare patients
589vs 1513.9 times
Part D claims
4,843vs 42111.5 times

Medians across 15,815 internists 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. Steven P. McCarthy treated 589 Medicare patients in 2024, average age 74

CMS counts 589 Medicare patients who saw Dr. McCarthy in 2024. The largest group is 65 to 74, with 307 patients. 75% of them have high cholesterol, and 61% have high blood pressure. 7% are also on Medicaid. Their average risk score is 0.95, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. McCarthy's median patient age at 64, with 35% women.

Medicare patients, 2024589
Average age74
Average risk score0.95
Also on Medicaid7%

Dr. McCarthy's Medicare patients by age, 2024

Dr. McCarthy's Medicare patients by sex, 2024

  • Women24241%
  • Men34759%

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

  1. High cholesterol75%
  2. High blood pressure61%
  3. Arthritis46%
  4. Ischemic heart disease28%
  5. Diabetes22%
  6. Cancer16%
  7. Mood disorders16%
  8. Osteoporosis16%

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 64

Patient panel by sex, all payers

  • Women35%
  • Men64%

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

Dr. Steven P. McCarthy wrote 5,528 Medicare Part D claims in 2024

In 2024, Dr. McCarthy wrote 5,528 Medicare Part D claims for 541 patients. 92% of them were for generic drugs. CMS names the drug for 4,843 of them, across 105 drugs with 11 or more claims each, at $239,214 in total drug cost. In 2023, CMS named 4,489 claims across 99 drugs.

Part D claims, 20245,528
Drugs named by CMS105
Total drug cost$239,214
Part D patients541

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

  • Generic5,069 claims92%
  • Brand-name426 claims8%
  • Other33 claims1%

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

  • Opioids2%112 of 5,528 claims
  • Antibiotics2%133 of 5,528 claims
  • Antipsychotics, patients 65 and over0%18 of 5,528 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: 4,4892024: 4,8438%

Drugs named by CMS: 105 in 2024, 99 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

Dr. Steven P. McCarthy offers telehealth to Medicare patients

Dr. McCarthy accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. McCarthy as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Steven P. McCarthy received $4,130 in industry payments from 2016 to 2023

CMS Open Payments shows 120 general payments to Dr. McCarthy from 15 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $2,077.

General payments to Dr. McCarthy by program year, 2016 to 2023

General payments to Dr. McCarthy by kind, 2016 to 2023

$4.1Kin total
  • Food and beverage$4,122100%
  • Education$80%

Companies that paid Dr. McCarthy the most, 2016 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. Steven P. McCarthy has 1 award and honors on record

Dmand AI lists 1 award for Dr. McCarthy, most recently CMS Stage 1 EHR in 2013.

Awards and honors for Dr. McCarthy

  1. 2013
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Dr. Steven P. McCarthy graduated from University of Illinois College of Medicine - Chicago

Dr. McCarthy graduated from University of Illinois College of Medicine - Chicago in 1996.

  1. Medical schoolUniversity of Illinois College of Medicine - Chicago
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Steven P. McCarthy accepts plans from 13 insurance carriers

Dr. McCarthy is in network with 13 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Elevance
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • Alliant Health Plans
  • +5 more carriersWith a free account

Plan types Dr. McCarthy accepts, by number of carriers

  1. PPO9
  2. Medicare7
  3. HMO6
  4. EPO4
  5. POS3

Source: Dmand AI Insurance Network Data

Sources for Dr. Steven P. 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)
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. Steven P. 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. Steven P. McCarthy's NPI number?

Dr. Steven P. McCarthy's NPI number is 1497765309. It was assigned on August 9, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Steven P. McCarthy?

Dr. Steven P. McCarthy is an internist in Thousand Oaks, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Steven P. McCarthy practice?

Dr. McCarthy practices at 100 Moody Court, Suite #100, Thousand Oaks, CA 91360. Dr. McCarthy's primary practice is Thousand Oaks Pain Management Clinic in Thousand Oaks, California. Dmand AI also links Dr. McCarthy to 2 hospitals, 3 home health agencies and 1 group practice or clinic.

What is Dr. Steven P. McCarthy's office phone number?

The practice phone on file for Dr. McCarthy is (805) 418-3444.

What is Dr. Steven P. McCarthy's medical license number?

Dr. McCarthy's Illinois license number on file is 036-100825, one of the licenses on file in 2 states.

Which states has Dr. Steven P. McCarthy been licensed in?

Dmand AI has state licenses on file for Dr. McCarthy in Illinois (1999 to 2020) and California (2020 to 2026).

Which hospitals is Dr. Steven P. McCarthy affiliated with?

Dr. McCarthy is affiliated with Los Robles Regional Medical Center. Dmand AI links Dr. McCarthy to 2 more hospitals.

What medical group is Dr. Steven P. McCarthy part of?

Dr. McCarthy is linked to UCLA Medical Group.

Does Dr. Steven P. McCarthy accept Medicare?

Yes. CMS data shows Dr. McCarthy billed Medicare for 2,149 services in 2024, and Dr. McCarthy accepts Medicare assignment.

Does Dr. Steven P. McCarthy offer telehealth?

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

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. Steven P. McCarthy see?

CMS counts 589 Medicare patients who saw Dr. McCarthy in 2024, with an average age of 74.

Is Dr. Steven P. McCarthy board certified?

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

What services does Dr. Steven P. McCarthy bill to Medicare?

In 2024, Dr. McCarthy's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and office visit, established patient (99213).

Where did Dr. Steven P. McCarthy go to medical school?

Dr. McCarthy graduated from University of Illinois College of Medicine - Chicago in 1996.

What drugs does Dr. Steven P. McCarthy prescribe most?

In 2024 Medicare Part D data, Dr. McCarthy's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Amlodipine Besylate.

Has Dr. Steven P. McCarthy received payments from drug or device companies?

CMS Open Payments shows $4,130 in general payments to Dr. McCarthy from 15 companies from 2016 to 2023. The largest total came from Amgen Inc.

How long has Dr. Steven P. McCarthy been practicing?

Dr. McCarthy graduated from medical school in 1996, 30 years ago.

What insurance does Dr. Steven P. McCarthy accept?

Dr. McCarthy is in network with 13 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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