Julie Ann Leahy, NP

  • Ladera Ranch, CA
  • Internist
NPI1477884294
Medicare services, 2021
68
Part D claims, 2022
40
Industry payments
$169
Affiliated sites
1
Medical group
1
Practice address
845 W La Veta Ave Suite 101 Suite 101, Orange, CA 92868-3930
Practice phone
Call (714) 289-6565
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

St Joseph Heritage Healthcare

Primary care practice · Orange, California

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Julie Ann Leahy is an internist in Ladera Ranch, California

Julie Leahy practices at St Joseph Heritage Healthcare in Orange, California.

Julie Leahy's NPI, 1477884294, was assigned on January 18, 2010. Julie Leahy holds California license 7472.

NPI and contact details
NPI enumeration date
January 18, 2010
NPI status
Active
Practice phone
(714) 289-6565
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
57
Medical school graduation
1995

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

Julie Ann Leahy practices in Orange and Ladera Ranch

Julie Leahy's primary practice is St Joseph Heritage Healthcare, at 845 W La Veta Ave Suite 101 Suite 101, Orange, CA 92868-3930. The practice phone is (714) 289-6565. The NPI Registry lists Julie Leahy's practice address as 800 Corporate Dr, Ladera Ranch, CA 92694.

  • St Joseph Heritage HealthcarePrimary
    845 W La Veta Ave Suite 101 Suite 101, Orange, CA 92868-3930Phone(714) 289-6565
  • NPI Registry address
    800 Corporate Dr, Ladera Ranch, CA 92694 · Orange CountyPhone(714) 289-3904

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

Julie Ann Leahy is affiliated with 1 site of care and 1 medical group

Julie Leahy's primary practice is St Joseph Heritage Healthcare in Orange, California. The medical group on file is St. Jude Heritage Medical Group.

St Joseph Heritage HealthcarePrimary care practice · Orange, CaliforniaPrimary
St. Jude Heritage Medical GroupPrimary care group, Brea, CA

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dmand AI tracks the EHR system at Julie Ann Leahy's practice

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

EHR by site
SiteEHR vendor and product
St Joseph Heritage HealthcareAvailable with a free account

Source: Dmand AI Technology Install Data

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Julie Ann Leahy is one of 16,751 internists in California

Internal medicine is Julie Leahy's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Julie Leahy is licensed in California.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense 7472 · taxonomy 207R00000X

Internists near Julie Leahy

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

16,751internists in California
2internists in Ladera Ranch

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

Julie Ann Leahy billed Medicare for 68 services in 2021

CMS data shows 68 Medicare services from Julie Leahy across 2 procedure codes in 2021, all of them office visits. Medicare paid $4,716 for them. Every service was in an office.

Medicare services, 202168
Paid by Medicare$4,716
Procedure codes2

Julie Leahy's Medicare services by type, 2020 to 2021

  • 2020
  • 2021
Office and hospital visits
2020: 672021: 681%

Julie Leahy compared with the California median for internists, 2021

  • Julie Leahy
  • California median
Medicare services
68vs 36181% below
Part D claims
40vs 42190% below

Medians across 15,815 internists in California with Dmand AI profiles that report each measure.

Julie Leahy's most billed Medicare procedure codes, 2021

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 Julie Leahy

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

Julie Ann Leahy's patients have a median age of 73

Across all payers, Dmand AI patient panel data puts Julie Leahy's median patient age at 73, with 71% women.

Julie Leahy's patients across all payers

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

Patient panel by age, all payers

Median age 73

Patient panel by sex, all payers

  • Women71%
  • Men29%

Source: Dmand AI Patient Panel Data

Julie Ann Leahy wrote 40 Medicare Part D claims in 2022

In 2022, Julie Leahy wrote 40 Medicare Part D claims. Every claim was for a generic drug. They cover 3 drugs, with $639 in total drug cost. In 2021, CMS named 1,979 claims across 60 drugs.

Part D claims, 202240
Drugs named by CMS3
Total drug cost$639

Julie Leahy's most prescribed drugs by claims, 2022

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, 2021 to 2022

  • 2021
  • 2022
Claims for drugs CMS names
2021: 1,9792022: 4098%

Drugs named by CMS: 3 in 2022, 60 in 2021.

See all prescribing by Julie Leahy

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

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Julie Ann Leahy received $169 in industry payments from 2019 to 2021

CMS Open Payments shows 9 general payments to Julie Leahy from 5 drug and device companies from 2019 to 2021. Food and beverage make up the largest share, 100% of the total. Amarin Pharma Inc. paid the most, $65.

General payments to Julie Leahy by program year, 2019 to 2021

Companies that paid Julie Leahy the most, 2019 to 2021

Share is of all general payments to this clinician.

See all payments to Julie Leahy

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

Sources for Julie Ann Leahy'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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
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 Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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 Julie Ann Leahy

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

What is Julie Ann Leahy's NPI number?

Julie Ann Leahy's NPI number is 1477884294. It was assigned on January 18, 2010, and it is active in the NPI Registry.

What does Julie Ann Leahy specialize in?

Julie Ann Leahy is an internist in Ladera Ranch, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Julie Ann Leahy practice?

Julie Leahy practices at 845 W La Veta Ave Suite 101 Suite 101, Orange, CA 92868-3930. Julie Leahy also practices at 800 Corporate Dr, Ladera Ranch, CA 92694. Julie Leahy's primary practice is St Joseph Heritage Healthcare in Orange, California.

What is Julie Ann Leahy's office phone number?

The practice phone on file for Julie Leahy is (714) 289-6565.

What is Julie Ann Leahy's medical license number?

Julie Leahy holds California license 7472.

What medical group is Julie Ann Leahy part of?

Julie Leahy is linked to St. Jude Heritage Medical Group.

Does Julie Ann Leahy accept Medicare?

Yes. CMS data shows Julie Leahy billed Medicare for 68 services in 2021.

What services does Julie Ann Leahy bill to Medicare?

In 2021, Julie Leahy's most billed Medicare services were office visit, established patient (99214) and office visit, established patient (99213).

What drugs does Julie Ann Leahy prescribe most?

In 2022 Medicare Part D data, Julie Leahy's most prescribed drugs by claims were Amlodipine Besylate, Levothyroxine Sodium and Pantoprazole Sodium.

Has Julie Ann Leahy received payments from drug or device companies?

CMS Open Payments shows $169 in general payments to Julie Leahy from 5 companies from 2019 to 2021. The largest total came from Amarin Pharma Inc.

How long has Julie Ann Leahy been practicing?

Julie Leahy graduated from medical school in 1995, 31 years ago.

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