NPPES file of Aug 9, 2026

Olivia Georgianna Nillissen, DDS

Student in an Organized Health Care Education/Training Program · San Antonio, TX

Olivia Georgianna Nillissen, DDS is a student in an organized health care education/training program with a practice address in San Antonio, Texas, and NPI 1003595166, issued on Jul 17, 2023. Check the license (Texas ETN1063, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1003595166
Name
Olivia Georgianna Nillissen
Credential
DDS
Primary taxonomy
Student in an Organized Health Care Education/Training Program 390200000X
License number
ETN1063 TX
Self-reported in NPPES; status is on the state search
Practice location
8210 Floyd Curl Drive, Msc 8103, San Antonio, TX 78229
Phone
(210) 450-3273
Enumerated
Jul 17, 2023
Record last updated
Aug 11, 2023
Fax
(210) 450-2223
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 8210 Floyd Curl Drive, Msc 8103

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

  1. Alicia Casarez-Quintana, D.D.SPeriodontics1902280977
  2. Ting Yu Su, DMDGeneral Practice Dentistry1912428541

Verify Olivia Georgianna Nillissen 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 ETN1063
    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

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81% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024

35 Medicare Part D claims for 20 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D.

  1. Olivia Nillissen35
  2. Specialty average185

Most prescribed

  1. Amoxicillin24 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.

Olivia Georgianna Nillissen among 17,605 student in an organized health care education/training program records in Texas

Olivia Georgianna Nillissen, DDS is one of 17,605 student in an organized health care education/training program records with a practice address in Texas. 23% 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 29% of them.

  • NPI issued2023 · 29% of these records are older, 57% newer
  • In a Medicare fileYes · 23% of these records are
  • In the CMS Doctors and Clinicians fileNo · 2% of these records are
  • Record last updated2023 · 15% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,911 student in an organized health care education/training program records list a practice address in San Antonio

They are 1,911 of the 37,749 NPPES records with a practice address in San Antonio, and 17,605 student in an organized health care education/training program records in Texas.

The 8 student in an organized health care education/training program records with the nearest ZIP codes

  1. Andres Cadena, MDSan Antonio, TX 782291033399761
  2. Felix Casiano, M.D.San Antonio, TX 782291063692689
  3. Phuc Duong, DOSan Antonio, TX 782291467633859
  4. Dorothy Long Parma, M.D.San Antonio, TX 782291609059542
  5. William McClain, MDSan Antonio, TX 782291912181850
  6. Marta Mendez, MDSan Antonio, TX 782291528159225
  7. Ghadeer Molla, DDSSan Antonio, TX 782291104001312
  8. Kathrina Ong, MDSan Antonio, TX 782291750566808

Common questions

What is Olivia Georgianna Nillissen, DDS's NPI number?

Olivia Georgianna Nillissen, DDS's National Provider Identifier (NPI) is 1003595166, issued on Jul 17, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Olivia Georgianna Nillissen, DDS located?

The NPPES record lists a practice address at 8210 Floyd Curl Drive, Msc 8103, San Antonio, TX, 78229. Phone: (210) 450-3273. Providers update this record themselves, so call before visiting.

How can I verify Olivia Georgianna Nillissen, DDS's license?

NPPES lists Texas license number ETN1063, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.

How much does Olivia Georgianna Nillissen, DDS prescribe under Medicare Part D?

In 2024, Olivia Georgianna Nillissen, DDS had 35 Medicare Part D claims for 20 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. 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.