NPPES file of Aug 9, 2026

Cassandra Angela Schiller, APRN, FNP-C

Nurse Practitioner · Seguin, TX

Cassandra Angela Schiller, APRN, FNP-C is a nurse practitioner with a practice address in Seguin, Texas, and NPI 1083389712, issued on Aug 13, 2021. Check the license (Texas 1050524, as entered in NPPES) with the Texas 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1083389712
Name
Cassandra Angela Schiller
Credential
APRN, FNP-C
Primary taxonomy
Nurse Practitioner 363L00000X
License number
1050524 TX
Self-reported in NPPES; status is on the state search
Practice location
1215 E Court St, Seguin, TX 78155
Phone
(830) 379-2411
Enumerated
Aug 13, 2021
Record last updated
Aug 13, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20210929000638); 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 1215 E Court St

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

  1. Olga Ali, P.A.Physician Assistant1477553626
  2. Juan Arenas-Herrera, M.DInternal Medicine Physician1447510011
  3. Megan Brodeur, PHARMDPharmacist1407747546
  4. Sterling Brown, MD, MSEmergency Medicine Physician1689101099
  5. David Burns, CRNACertified Registered Nurse Anesthetist1952320228
  6. Lucretia Burton, LCSWClinical Social Worker1538366653

Verify Cassandra Angela Schiller in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Texas board licenses this profession
    Search for license 1050524
    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 Texas 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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90% fewer Medicare Part D claims than the average nurse practitioner in 2024

109 Medicare Part D claims for 48 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 22 claims were for opioids.

  1. Cassandra Schiller109
  2. Specialty average1,109

Most prescribed

  1. Levofloxacin26 claims
  2. Doxycycline Hyclate12 claims
  3. Acetaminophen-Codeine11 claims
  4. Tramadol Hcl11 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualitynot scored (reweighted)
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%98.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $206.23

7 payments; by number, the most common kind was food and beverage; the largest payer was Solventum Corporation. 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. Cassandra Schiller$206.23
  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. Guadalupe County Hospital BoardSeguin, TX

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

Cassandra Angela Schiller among 4,825 nurse practitioner records in Texas

Cassandra Angela Schiller, APRN, FNP-C is one of 4,825 nurse practitioner records with a practice address in Texas. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 69% of them.

  • NPI issued2021 · 69% of these records are older, 24% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 54% of these records are
  • Graduated2021 · median 2018 among the 2,618 with a school on file
  • Record last updated2021 · 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 363L00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

10 nurse practitioner records list a practice address in Seguin

They are 10 of the 427 NPPES records with a practice address in Seguin, and 4,825 nurse practitioner records in Texas.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Janelle Block, NPSeguin, TX 781551538368535
  2. Joshua CainSeguin, TX 781551669364824
  3. Cassy Carroll-Schronk, FNP-CSeguin, TX 781551891379178
  4. Lisa Deboer, FNPSeguin, TX 781551144548603
  5. Shayna Frizzell, AGACNP-BCSeguin, TX 781551396558177
  6. Elisabeth Hudson, FNPSeguin, TX 781551457920142
  7. Logan Jahns, FNPSeguin, TX 781551649040577
  8. Sandra Miller, FNP-CSeguin, TX 781551346022597

Common questions

What is Cassandra Angela Schiller, APRN, FNP-C's NPI number?

Cassandra Angela Schiller, APRN, FNP-C's National Provider Identifier (NPI) is 1083389712, issued on Aug 13, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Cassandra Angela Schiller, APRN, FNP-C located?

The NPPES record lists a practice address at 1215 E Court St, Seguin, TX, 78155. Phone: (830) 379-2411. Providers update this record themselves, so call before visiting.

How can I verify Cassandra Angela Schiller, APRN, FNP-C's license?

NPPES lists Texas license number 1050524, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.

How much does Cassandra Angela Schiller, APRN, FNP-C prescribe under Medicare Part D?

In 2024, Cassandra Angela Schiller, APRN, FNP-C had 109 Medicare Part D claims for 48 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.

What is Cassandra Angela Schiller, APRN, FNP-C's MIPS final score?

The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.