NPPES file of Aug 9, 2026

Lisa Constance Siewit Holler, NP

Nurse Practitioner · Beverly Hills, CA

Lisa Constance Siewit Holler, NP is a nurse practitioner with a practice address in Beverly Hills, California, and NPI 1497451181, issued on Feb 3, 2023. Check the license (California 95022108, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1497451181
Name
Lisa Constance Siewit Holler
Credential
NP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
95022108 CA
Self-reported in NPPES; status is on the state search
Practice location
120 S Spalding Dr Ste 401, Beverly Hills, CA 90212
Phone
(310) 205-0771
Enumerated
Feb 3, 2023
Record last updated
Nov 21, 2025
Fax
(310) 205-0801
Medicare enrollment
Enrolled (PECOS I20251120002346); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 120 S Spalding Dr Ste 401

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Aashini Master, D.OHematology & Oncology Physician1154557387
  2. Fred Rosenfelt, M.D.Hematology & Oncology Physician1306842802

Verify Lisa Constance Siewit Holler in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 95022108
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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1% more Medicare Part D claims than the average nurse practitioner in 2024

1,120 Medicare Part D claims for 183 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 99 claims were for opioids.

  1. Lisa Holler1,120
  2. Specialty average1,109

Most prescribed

  1. Jakafi77 claims
  2. Calquence38 claims
  3. Hydrocodone-Acetaminophen38 claims
  4. Anastrozole31 claims
  5. Eliquis30 claims
  6. Hydroxyurea30 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $694.69

21 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Lisa Holler$694.69
  2. Specialty average$791.64

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. The Regents OF The University OF CaliforniaBeverly Hills, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Lisa Constance Siewit Holler among 8,223 nurse practitioner records in California

Lisa Constance Siewit Holler, NP is one of 8,223 nurse practitioner records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 82% of them.

  • NPI issued2023 · 82% of these records are older, 13% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileYes · 42% of these records are
  • Graduated2022 · median 2017 among the 3,425 with a school on file
  • Record last updated2025 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nurse Practitioner providers in California

There are 8,223 nurse practitioner records in California.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Joey Bueno-Olguin, NP-CBeverly Hills, CA 902121942884887
  2. Merita Elison, NPBeverly Hills, CA 902121952949364
  3. Karriann Khalil, NPBeverly Hills, CA 902121336460773
  4. Christine Nell, NPBeverly Hills, CA 902121669783544
  5. Jessica Tkacs, NPBeverly Hills, CA 902121124503057
  6. Jeanne Hershey-Weber, NPBeverly Hills, CA 902111386637643
  7. Cherilyn Lee, NURSE PRACTIONERBeverly Hills, CA 902111417366865
  8. Frances Mercado, NPBeverly Hills, CA 902111376339135

Common questions

What is Lisa Constance Siewit Holler, NP's NPI number?

Lisa Constance Siewit Holler, NP's National Provider Identifier (NPI) is 1497451181, issued on Feb 3, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Lisa Constance Siewit Holler, NP located?

The NPPES record lists a practice address at 120 S Spalding Dr Ste 401, Beverly Hills, CA, 90212. Phone: (310) 205-0771. Providers update this record themselves, so call before visiting.

How can I verify Lisa Constance Siewit Holler, NP's license?

NPPES lists California license number 95022108, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Lisa Constance Siewit Holler, NP prescribe under Medicare Part D?

In 2024, Lisa Constance Siewit Holler, NP had 1,120 Medicare Part D claims for 183 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.