NPPES file of Aug 9, 2026

Geoffrey Lim Uy, MD

Hematology & Oncology Physician · Saint Louis, MO

Geoffrey Lim Uy, MD is a hematology & oncology physician with a practice address in Saint Louis, Missouri, and NPI 1750427480, issued on Jan 29, 2007. Check the license (Missouri 2002018400, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; 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
1750427480
Name
Geoffrey Lim Uy
Credential
MD
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
2002018400 MO
Self-reported in NPPES; status is on the state search
Practice location
4500 Forest Park Ave, Saint Louis, MO 63108
Phone
(314) 454-8304
Enumerated
Jan 29, 2007
Record last updated
Apr 17, 2025
Fax
(314) 454-5902
Medicaid ID
207366907 MO
Medicare enrollment
Enrolled (PECOS I20071001000119); accepts Medicare assignment
Medical or professional school
Washington University School Of Medicine, 2001
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 4500 Forest Park Ave

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

  1. Camille Abboud, MDMedical Oncology Physician1316965320
  2. Douglas Adkins, MDMedical Oncology Physician1164440616
  3. Rebecca Aft, MDSurgical Oncology Physician1164440897
  4. Amber Afzal, MDHematology (Internal Medicine) Physician1831539808
  5. Caleb Bannister, PHARM. D.Pharmacist1124718283
  6. Stephanie Bauer, FNPFamily Nurse Practitioner1639285968

Verify Geoffrey Lim Uy in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license 2002018400
    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 Missouri 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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12% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

775 Medicare Part D claims for 75 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. 20 claims were for opioids.

  1. Geoffrey Uy775
  2. Specialty average877

Most prescribed

  1. Acyclovir74 claims
  2. Fluconazole58 claims
  3. Sprycel51 claims
  4. Sulfamethoxazole-Trimethoprim48 claims
  5. Valacyclovir44 claims
  6. Ciprofloxacin Hcl27 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): 79.3 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. Qualityout of 100 · 30% of the final score71.5
  2. Costout of 100 · 30%59.5
  3. Promoting interoperabilityout of 100 · 25%100.0
  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: $289.64

3 payments; by number, the most common kind was food and beverage; the largest payer was Jazz Pharmaceuticals Inc. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Geoffrey Uy$289.64
  2. Specialty average$7,481.41

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. Washington UniversitySaint Louis, MO

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

Geoffrey Lim Uy among 237 hematology & oncology physician records in Missouri

Geoffrey Lim Uy, MD is one of 237 hematology & oncology physician records with a practice address in Missouri. 86% 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 44% of them.

  • NPI issued2007 · 44% of these records are older, 40% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2001 · median 2003 among the 168 with a school on file
  • Record last updated2025 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in Missouri

There are 237 hematology & oncology physician records in Missouri.

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Deepthi Busayavalasa, MDSaint Louis, MO 631091174971469
  2. Mark Fesler, MDSaint Louis, MO 631101235204066
  3. Thomas Fong, M.D.Saint Louis, MO 631101790812642
  4. Sagun Goyal, M.D.St Louis, MO 631101316032741
  5. Barbra Horn, M.D.Saint Louis, MO 631101295738961
  6. Bassel Jallad, MBBSSaint Louis, MO 631101124282306
  7. Gerald Linette, MDSaint Louis, MO 631101114943420
  8. Steven Pincus, MDSaint Louis, MO 631101063420933

Common questions

What is Geoffrey Lim Uy, MD's NPI number?

Geoffrey Lim Uy, MD's National Provider Identifier (NPI) is 1750427480, issued on Jan 29, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Geoffrey Lim Uy, MD located?

The NPPES record lists a practice address at 4500 Forest Park Ave, Saint Louis, MO, 63108. Phone: (314) 454-8304. Providers update this record themselves, so call before visiting.

How can I verify Geoffrey Lim Uy, MD's license?

NPPES lists Missouri license number 2002018400, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Geoffrey Lim Uy, MD prescribe under Medicare Part D?

In 2024, Geoffrey Lim Uy, MD had 775 Medicare Part D claims for 75 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.

What is Geoffrey Lim Uy, MD's MIPS final score?

The 2023 MIPS final score is 79.3 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.