NPPES file of Aug 9, 2026

Cassandra Lee Vandenberg, PA-C

Physician Assistant · Clear Lake, IA

Cassandra Lee Vandenberg, PA-C is a physician assistant with a practice address in Clear Lake, Iowa, and NPI 1083375711, issued on Jan 5, 2022. Check the license (Iowa 112254, as entered in NPPES) with the Iowa 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
1083375711
Name
Cassandra Lee Vandenberg
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
112254 IA
Self-reported in NPPES; status is on the state search
Practice location
1410 6TH Ave S, Clear Lake, IA 50428
Phone
(641) 357-2191
Enumerated
Jan 5, 2022
Record last updated
Nov 16, 2023
Fax
(641) 357-6020
Medicare enrollment
Enrolled (PECOS I20220215000387); 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 1410 6TH Ave S

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

  1. Donald Berge, MDFamily Medicine Physician1861508251
  2. McKenzie Brekken, DOFamily Medicine Physician1144889544
  3. Brent Brunsting, MDFamily Medicine Physician1336255785
  4. Traci Goll, ARNPFamily Nurse Practitioner1164054755
  5. Anne Jones, ARNPFamily Nurse Practitioner1801337795
  6. Taylor May, MDFamily Medicine Physician1619645082

Verify Cassandra Lee Vandenberg in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Iowa board licenses this profession
    Search for license 112254
    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 Iowa 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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2.8 times the Medicare Part D claims of the average physician assistant in 2024

2,332 Medicare Part D claims for 473 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 43 claims were for opioids.

  1. Cassandra Vandenberg2,332
  2. Specialty average830

Most prescribed

  1. Atorvastatin Calcium148 claims
  2. Levothyroxine Sodium96 claims
  3. Omeprazole85 claims
  4. Lisinopril68 claims
  5. Losartan Potassium67 claims
  6. Metoprolol Succinate66 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.

Bills Medicare through one group practice

  1. Iowa Physicians Clinic Medical FoundationHiawatha, IA

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

Cassandra Lee Vandenberg among 1,525 physician assistant records in Iowa

Cassandra Lee Vandenberg, PA-C is one of 1,525 physician assistant records with a practice address in Iowa. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 76% of them.

  • NPI issued2022 · 76% of these records are older, 17% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2021 · median 2017 among the 1,053 with a school on file
  • Record last updated2023 · 41% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

3 physician assistant records list a practice address in Clear Lake

They are 3 of the 121 NPPES records with a practice address in Clear Lake, and 1,525 physician assistant records in Iowa.

The 8 physician assistant records with the nearest ZIP codes

  1. Alexa PoppClear Lake, IA 504281093415077
  2. Mary Winegardner, PA-CClear Lake, IA 504281306826821
  3. Lissa Holloway, PABritt, IA 504231497770630
  4. Jonathan Hardersen, PA-CBelmond, IA 504211770687303
  5. Matthew McBride, PABelmond, IA 504211700858602
  6. Timothy Ackarman, PAForest City, IA 504361447368170
  7. James McGuire, PAForest City, IA 504361316053531
  8. Jill Van Otterloo, PAForest City, IA 504361679980783

Common questions

What is Cassandra Lee Vandenberg, PA-C's NPI number?

Cassandra Lee Vandenberg, PA-C's National Provider Identifier (NPI) is 1083375711, issued on Jan 5, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Cassandra Lee Vandenberg, PA-C located?

The NPPES record lists a practice address at 1410 6TH Ave S, Clear Lake, IA, 50428. Phone: (641) 357-2191. Providers update this record themselves, so call before visiting.

How can I verify Cassandra Lee Vandenberg, PA-C's license?

NPPES lists Iowa license number 112254, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.

How much does Cassandra Lee Vandenberg, PA-C prescribe under Medicare Part D?

In 2024, Cassandra Lee Vandenberg, PA-C had 2,332 Medicare Part D claims for 473 beneficiaries; the average among physician assistant prescribers was 830. 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.