NPPES file of Aug 9, 2026

Gustine Ong Liu-Young, M.D.

Infectious Disease Physician · Crystal River, FL

Gustine Ong Liu-Young, M.D. is an infectious disease physician with a practice address in Crystal River, Florida, and NPI 1528242526, issued on Dec 27, 2007. Check the license (Florida ME100412, as entered in NPPES) on the Florida health license search; 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
1528242526
Name
Gustine Ong Liu-Young
Credential
M.D.
Primary taxonomy
Infectious Disease Physician 207RI0200X
License number
ME100412 FL
Self-reported in NPPES; status is on the state search
Practice location
760 SE 5TH Ter, Crystal River, FL 34429
Phone
(352) 417-0238
Enumerated
Dec 27, 2007
Record last updated
Jul 21, 2022
Fax
(352) 794-3146
Medicare enrollment
Enrolled (PECOS I20080925000631); 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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Verify Gustine Ong Liu-Young in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license ME100412
    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
Open the Florida license search

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1% fewer Medicare Part D claims than the average infectious disease physician in 2024

684 Medicare Part D claims for 310 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.

  1. Gustine Liu-Young684
  2. Specialty average689

Most prescribed

  1. Ceftriaxone60 claims
  2. Amoxicillin-Clavulanate Potass52 claims
  3. Doxycycline Hyclate52 claims
  4. Vancomycin Hcl50 claims
  5. Cefepime Hcl48 claims
  6. Methenamine Hippurate46 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.

No measured MIPS final score for 2023

CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.

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

Gustine Ong Liu-Young among 760 infectious disease physician records in Florida

Gustine Ong Liu-Young, M.D. is one of 760 infectious disease physician records with a practice address in Florida. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 48% of them.

  • NPI issued2007 · 48% of these records are older, 42% newer
  • In a Medicare fileYes · 87% of these records are
  • In the CMS Doctors and Clinicians fileYes · 77% of these records are
  • Graduated1999 · median 2001 among the 581 with a school on file
  • Record last updated2022 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Infectious Disease Physician providers in Florida

There are 760 infectious disease physician records in Florida.

The 8 infectious disease physician records with the nearest ZIP codes

  1. Vidya Kollu, MDOcala, FL 344711003048687
  2. Angelica Medina Pena, MDOcala, FL 344711073173118
  3. Haris Mirza, MDOcala, FL 344711912956335
  4. Adetoun Olaoye, M.D.Ocala, FL 344711508074923
  5. Ivan Soosaipillai, MDOcala, FL 344711649289059
  6. Aneta Tarasiuk-Rusek, M.D.Ocala, FL 344711851655047
  7. Lauren Fiske, MDOcala, FL 344751952509796
  8. Diego Lopez De Castilla Koster, MD MPHOcala, FL 344751982854352

Common questions

What is Gustine Ong Liu-Young, M.D.'s NPI number?

Gustine Ong Liu-Young, M.D.'s National Provider Identifier (NPI) is 1528242526, issued on Dec 27, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Gustine Ong Liu-Young, M.D. located?

The NPPES record lists a practice address at 760 SE 5TH Ter, Crystal River, FL, 34429. Phone: (352) 417-0238. Providers update this record themselves, so call before visiting.

How can I verify Gustine Ong Liu-Young, M.D.'s license?

NPPES lists Florida license number ME100412, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Gustine Ong Liu-Young, M.D. prescribe under Medicare Part D?

In 2024, Gustine Ong Liu-Young, M.D. had 684 Medicare Part D claims for 310 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.

What is Gustine Ong Liu-Young, M.D.'s MIPS final score?

CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.

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.