NPPES file of Aug 9, 2026

Casey Wollenberg, RN, FNP

Family Nurse Practitioner · Los Angeles, CA

Casey Wollenberg, RN, FNP is a family nurse practitioner with a practice address in Los Angeles, California, and NPI 1174001804, issued on Aug 3, 2018. Check the license (California 95009609, 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
1174001804
Name
Casey Wollenberg
Credential
RN, FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
95009609 CA
Self-reported in NPPES; status is on the state search
Practice location
1520 San Pablo St Ste 1000, Los Angeles, CA 90033
Phone
(323) 442-5100
Enumerated
Aug 3, 2018
Record last updated
Dec 7, 2023
Medicare enrollment
Enrolled (PECOS I20231016003008); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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.
Download card Updates feed

Also registered at 1520 San Pablo St Ste 1000

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

  1. Joyce Adesina, M.D.Sleep Medicine (Internal Medicine) Physician1922368745
  2. Ani Aghazarian, PA-CPhysician Assistant1154066025
  3. Apurva Akkad, MDInfectious Disease Physician1760879340
  4. Edris Alderwish, M.D.Interventional Cardiology Physician1285959858
  5. Christine Alexopoulos, PA-CMedical Physician Assistant1235862210
  6. Vahe Arabian, PACMedical Physician Assistant1295799021

Verify Casey Wollenberg 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 95009609
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

37% fewer Medicare Part D claims than the average family nurse practitioner in 2024

819 Medicare Part D claims for 63 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.

  1. Casey Wollenberg819
  2. Specialty average1,305

Most prescribed

  1. Tacrolimus49 claims
  2. Prednisone47 claims
  3. Sulfamethoxazole-Trimethoprim47 claims
  4. Azithromycin41 claims
  5. Voriconazole41 claims
  6. Valganciclovir Hcl38 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: $438.31

21 payments; by number, the most common kind was food and beverage; the largest payer was Actelion Pharmaceuticals US, Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Casey Wollenberg$438.31
  2. Specialty average$650.95

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. Usc Care Medical Group IncLos Angeles, CA

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

Casey Wollenberg among 16,966 family nurse practitioner records in California

Casey Wollenberg, RN, FNP is one of 16,966 family nurse practitioner records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 45% of them.

  • NPI issued2018 · 45% of these records are older, 50% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 40% of these records are
  • Graduated2018 · median 2019 among the 6,793 with a school on file
  • Record last updated2023 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,103 family nurse practitioner records list a practice address in Los Angeles

They are 1,103 of the 69,537 NPPES records with a practice address in Los Angeles, and 16,966 family nurse practitioner records in California.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Melodia Alcantara, N.P.Los Angeles, CA 900331306836994
  2. Wanda Banks, NPLos Angeles, CA 900331881736692
  3. Megan Bright, N.P.Los Angeles, CA 900331942498126
  4. Kathy Dressler, FNPLos Angeles, CA 900331316150261
  5. Jennifer Gonzales, PA-CLos Angeles, CA 900331396877494
  6. Suzanne Jed, MSN, APRN-BCLos Angeles, CA 900331184817322
  7. Lena Kirakosian, MSN FNPLos Angeles, CA 900331841327012
  8. Michelle Layug, NPLos Angeles, CA 900331316092752

Common questions

What is Casey Wollenberg, RN, FNP's NPI number?

Casey Wollenberg, RN, FNP's National Provider Identifier (NPI) is 1174001804, issued on Aug 3, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Casey Wollenberg, RN, FNP located?

The NPPES record lists a practice address at 1520 San Pablo St Ste 1000, Los Angeles, CA, 90033. Phone: (323) 442-5100. Providers update this record themselves, so call before visiting.

How can I verify Casey Wollenberg, RN, FNP's license?

NPPES lists California license number 95009609, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Casey Wollenberg, RN, FNP prescribe under Medicare Part D?

In 2024, Casey Wollenberg, RN, FNP had 819 Medicare Part D claims for 63 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.