Holly Lorraine Leo, NP
- Medicare patients, 2024
- 165
- Part D claims, 2024
- 1,904
- Hospital affiliations
- 2
- Industry payments
- $43
- Medical groups
- 2
- Practice address
- 1100 West Stewart Dr, Orange, CA 92868
- Practice phone
- Call (714) 633-9111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Holly Leo's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Holly Lorraine Leo is a family nurse practitioner in Orange, California
Holly Leo practices at Providence St. Joseph Hospital Orange in Orange, California, part of Providence Health & Services.
Holly Leo's NPI, 1467663666, was assigned on May 28, 2007. Holly Leo graduated from University of California, San Diego School of Medicine in 1998. Holly Leo holds California license 415786.
- NPI
- 1467663666NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2163727157
- NPI enumeration date
- May 28, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (714) 633-9111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Holly Lorraine Leo practices at Providence St. Joseph Hospital Orange in Orange, California
Holly Leo's primary practice is Providence St. Joseph Hospital Orange, at 1100 West Stewart Dr, Orange, CA 92868 in Orange County. The practice phone is (714) 633-9111.
- Providence St. Joseph Hospital Orange1100 West Stewart Dr, Orange, CA 92868 · Orange CountyPhone(714) 633-9111
Source: Dmand AI Affiliation Data
Holly Lorraine Leo is affiliated with 2 sites of care and 2 medical groups
Holly Leo's primary practice is Providence St. Joseph Hospital Orange in Orange, California, part of Providence Health & Services. Holly Leo is also affiliated with Hoag Hospital Newport Beach. The medical group on file is St. Jude Heritage Medical Group. Dmand AI also links Holly Leo to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Holly Lorraine Leo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Holly Leo practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Providence St. Joseph Hospital Orange | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Providence Health & Services and 6.2K+ hospitals, with verified contacts in the same login.
Holly Lorraine Leo is one of 13,532 family nurse practitioners in California
Family is Holly Leo's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Holly Leo is licensed in California.
Specialties and state licenses
- Family nurse practitioner, CaliforniaPrimary
Family nurse practitioners near Holly Leo
Counts of family nurse practitioners 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
Holly Lorraine Leo treated 165 Medicare patients in 2024, average age 74
CMS counts 165 Medicare patients who saw Holly Leo in 2024. The largest group is 65 to 74, with 87 patients. 56% of them have high blood pressure, and 37% have arthritis. Their average risk score is 0.71, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Holly Leo's median patient age at 62, with 75% women.
Holly Leo's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Holly Leo's Medicare patients by sex, 2024
- Women13381%
- Men3219%
Chronic conditions among Holly Leo's Medicare patients, 2024
- High blood pressure56%
- Arthritis37%
- High cholesterol33%
- Anxiety28%
- Mood disorders17%
- Depression14%
- Atrial fibrillation13%
- Cancer13%
Share of Medicare patients with each condition. A patient can have several.
Holly Leo's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women75%
- Men24%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Holly Lorraine Leo wrote 1,904 Medicare Part D claims in 2024
In 2024, Holly Leo wrote 1,904 Medicare Part D claims for 198 patients. 85% of them were for generic drugs.
Holly Leo's Part D claims by kind of drug, 2024
- Generic1,623 claims85%
- Brand-name216 claims11%
- Other65 claims3%
Drug classes CMS tracks in Holly Leo's Part D claims, 2024
- Opioids1%23 of 1,904 claims
- Antibiotics3%60 of 1,904 claims
- Antipsychotics, patients 65 and over1%14 of 1,904 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Holly Lorraine Leo takes part in Medicare
Holly Leo 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)
For MedTech and pharma teams
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Holly Lorraine Leo received $43 in industry payments in 2025
CMS Open Payments shows 2 general payments to Holly Leo from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $43.
Companies that paid Holly Leo the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Holly Lorraine Leo graduated from University of California, San Diego School of Medicine
Holly Leo graduated from University of California, San Diego School of Medicine in 1998.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Holly Lorraine Leo's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Holly Lorraine Leo
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Holly Lorraine Leo's NPI number?
Holly Lorraine Leo's NPI number is 1467663666. It was assigned on May 28, 2007, and it is active in the NPI Registry.
What does Holly Lorraine Leo specialize in?
Holly Lorraine Leo is a family nurse practitioner in Orange, California. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Holly Lorraine Leo practice?
Holly Leo practices at 1100 West Stewart Dr, Orange, CA 92868. Holly Leo's primary practice is Providence St. Joseph Hospital Orange in Orange, California, part of Providence Health & Services. Dmand AI also links Holly Leo to 1 medical group.
What is Holly Lorraine Leo's office phone number?
The practice phone on file for Holly Leo is (714) 633-9111.
What is Holly Lorraine Leo's medical license number?
Holly Leo holds California license 415786.
Which hospitals is Holly Lorraine Leo affiliated with?
Holly Leo practices at Providence St. Joseph Hospital Orange in Orange, California. Holly Leo is also affiliated with Hoag Hospital Newport Beach.
What medical group is Holly Lorraine Leo part of?
Holly Leo is linked to St. Jude Heritage Medical Group. Dmand AI links Holly Leo to 1 more medical group.
Does Holly Lorraine Leo accept Medicare?
Yes. CMS lists Holly Leo as accepting Medicare assignment.
How many Medicare patients does Holly Lorraine Leo see?
CMS counts 165 Medicare patients who saw Holly Leo in 2024, with an average age of 74.
Where did Holly Lorraine Leo go to medical school?
Holly Leo graduated from University of California, San Diego School of Medicine in 1998.
Has Holly Lorraine Leo received payments from drug or device companies?
CMS Open Payments shows $43 in general payments to Holly Leo from 1 company from 2025 to 2025. The largest total came from Novo Nordisk Inc.
How long has Holly Lorraine Leo been practicing?
Holly Leo graduated from medical school in 1998, 28 years ago.
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