Lisa Constance Siewit Holler, NP
- Part D claims, 2024
- 1,120
- Hospital affiliations
- 2
- Industry payments
- $23
- Medical group
- 1
- State license
- 1
- Practice address
- 200 Medical Plz, Los Angeles, CA 90024
- Practice phone
- Call (310) 794-9206
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Peter Morton UCLA Medical Building
Los Angeles, California
Find Lisa Holler'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.
Lisa Constance Siewit Holler is a nurse practitioner in Los Angeles, California
Lisa Holler practices at Peter Morton UCLA Medical Building in Los Angeles, California.
Lisa Holler's NPI, 1497451181, was assigned on February 3, 2023. Lisa Holler holds California license 95022108.
- NPI
- 1497451181NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1254786015
- NPI enumeration date
- February 3, 2023
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (310) 794-9206
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 30
- Medical school graduation
- 2022
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Lisa Constance Siewit Holler practices at Peter Morton UCLA Medical Building in Los Angeles, California
Lisa Holler's primary practice is Peter Morton UCLA Medical Building, at 200 Medical Plz, Los Angeles, CA 90024 in Los Angeles County. The practice phone is (310) 794-9206.
- Peter Morton UCLA Medical Building200 Medical Plz, Los Angeles, CA 90024 · Los Angeles CountyPhone(310) 794-9206
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Lisa Constance Siewit Holler is affiliated with 4 sites of care and 1 medical group
Lisa Holler's primary practice is Peter Morton UCLA Medical Building in Los Angeles, California. Lisa Holler is also affiliated with Ronald Reagan UCLA Medical Center. The medical group on file is UCLA Medical Group. Dmand AI also links Lisa Holler to 1 more hospital and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Lisa Constance Siewit Holler's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Lisa Holler practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Peter Morton UCLA Medical Building | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Lisa Constance Siewit Holler is one of 5,983 nurse practitioners in California
Nurse practitioner is Lisa Holler's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Lisa Holler is licensed in California.
Specialties and state licenses
- Nurse practitioner, CaliforniaPrimary
Nurse practitioners near Lisa Holler
Counts of 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
Lisa Constance Siewit Holler's patients have a median age of 70
Across all payers, Dmand AI patient panel data puts Lisa Holler's median patient age at 70, with 59% women.
Lisa Holler'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
- Women59%
- Men39%
Source: Dmand AI Patient Panel Data
Lisa Constance Siewit Holler wrote 1,120 Medicare Part D claims in 2024
In 2024, Lisa Holler wrote 1,120 Medicare Part D claims for 183 patients. 73% of them were for generic drugs.
Lisa Holler's Part D claims by kind of drug, 2024
- Generic815 claims73%
- Brand-name and other305 claims27%
Drug classes CMS tracks in Lisa Holler's Part D claims, 2024
- Opioids9%99 of 1,120 claims
- Antibiotics2%24 of 1,120 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 Lisa Constance Siewit Holler takes part in Medicare
Lisa Holler 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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Lisa Constance Siewit Holler received $23 in industry payments in 2025
CMS Open Payments shows 1 general payment to Lisa Holler from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. PharmaEssentia USA Corporation paid the most, $23.
Companies that paid Lisa Holler the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Lisa Constance Siewit Holler'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| 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 Lisa Constance Siewit Holler
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What is Lisa Constance Siewit Holler's NPI number?
Lisa Constance Siewit Holler's NPI number is 1497451181. It was assigned on February 3, 2023, and it is active in the NPI Registry.
What does Lisa Constance Siewit Holler specialize in?
Lisa Constance Siewit Holler is a nurse practitioner in Los Angeles, California. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Lisa Constance Siewit Holler practice?
Lisa Holler practices at 200 Medical Plz, Los Angeles, CA 90024. Lisa Holler's primary practice is Peter Morton UCLA Medical Building in Los Angeles, California. Dmand AI also links Lisa Holler to 1 hospital and 1 group practice or clinic.
What is Lisa Constance Siewit Holler's office phone number?
The practice phone on file for Lisa Holler is (310) 794-9206.
What is Lisa Constance Siewit Holler's medical license number?
Lisa Holler holds California license 95022108.
Which hospitals is Lisa Constance Siewit Holler affiliated with?
Lisa Holler is affiliated with Ronald Reagan UCLA Medical Center. Dmand AI links Lisa Holler to 1 more hospital.
What medical group is Lisa Constance Siewit Holler part of?
Lisa Holler is linked to UCLA Medical Group.
Does Lisa Constance Siewit Holler accept Medicare?
Yes. CMS lists Lisa Holler as accepting Medicare assignment.
Has Lisa Constance Siewit Holler received payments from drug or device companies?
CMS Open Payments shows $23 in general payments to Lisa Holler from 1 company from 2025 to 2025. The largest total came from PharmaEssentia USA Corporation.
How long has Lisa Constance Siewit Holler been practicing?
Lisa Holler graduated from medical school in 2022, 4 years ago.
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