Dr. Geoffrey Lim Uy, MD

  • Saint Louis, MO
  • Hematologist and oncologist
NPI1750427480PAC ID5395830780
Medicare services, 2024
4,462
Medicare patients, 2024
262
Part D claims, 2024
775
Publications
117
Clinical trials
1
Practice address
One Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110
Practice phone
Call (314) 747-3000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Barnes-Jewish Hospital

Hospital · Saint Louis, Missouri

See all 7 affiliations

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Dr. Geoffrey Lim Uy is a hematologist and oncologist in Saint Louis, Missouri

Dr. Uy practices at Barnes-Jewish Hospital in Saint Louis, Missouri, part of BJC Health.

Dr. Uy's NPI, 1750427480, was assigned on January 29, 2007. Dr. Uy graduated from Washington University School of Medicine in 2001. Dr. Uy holds Missouri license 2002018400.

NPI and contact details
Medicare PAC ID
5395830780
NPI enumeration date
January 29, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(314) 747-3000
Professional email
Get email
Personal email
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Mobile number
Get number
Sex
Male
Estimated age
51
Medical school graduation
2001

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Geoffrey Lim Uy practices at 2 locations in Saint Louis, Missouri

Dr. Uy's primary practice is Barnes-Jewish Hospital, at One Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110 in St. Louis City. The practice phone is (314) 747-3000. Dr. Uy also practices at Barnes-Jewish Hospital, 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110.

  • Barnes-Jewish HospitalPrimary
    One Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110 · St. Louis CityPhone(314) 747-3000
  • Barnes-Jewish Hospital
    1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110 · Saint Louis CityPhone(314) 747-3000

Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data

Dr. Geoffrey Lim Uy is affiliated with 5 sites of care and 2 medical groups

Dr. Uy's primary practice is Barnes-Jewish Hospital in Saint Louis, Missouri, part of BJC Health. Dr. Uy is also affiliated with Christian Hospital. The medical group on file is WashU Medicine Psychiatry. Dmand AI also links Dr. Uy to 1 more hospital, 2 group practices and clinics and 1 medical group, each named with a free account.

See all 7 affiliations for Dr. Uy

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Geoffrey Lim Uy's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Uy practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Barnes-Jewish HospitalAvailable with a free account
+4 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Geoffrey Lim Uy is one of 187 hematologists and oncologists in Missouri

Hematology and oncology is Dr. Uy's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Uy is licensed in Missouri.

Specialties and state licenses

  • Hematology and oncology, MissouriPrimaryLicense 2002018400 · taxonomy 207RH0003X

Hematologists and oncologists near Dr. Uy

Counts of hematologists and oncologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Geoffrey Lim Uy billed Medicare for 4,462 services in 2024

CMS data shows 4,462 Medicare services from Dr. Uy across 16 procedure codes in 2024, for 262 Medicare patients. Medicare paid $51,689 for them.

Medicare services, 20244,462
Medicare patients262
Paid by Medicare$51,689
Procedure codes16

Dr. Uy's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Drugs given in the office
2023: 10,6022024: 3,60466%
Office and hospital visits
2023: 5652024: 43224%
Tests and treatments
2023: 4752024: 36024%
Surgery
2023: 2282024: 6671%
Other services
2023: 212024: 0100%

Where Dr. Uy's Medicare services took place, 2024

  • In an office4,14793%
  • In a facility3157%

Dr. Uy compared with the Missouri median for hematologists and oncologists, 2024

  • Dr. Uy
  • Missouri median
Medicare services
4,462vs 7306.1 times
Medicare patients
262vs 272Close to median
Part D claims
536vs 551Close to median

Medians across 185 hematologists and oncologists in Missouri with Dmand AI profiles that report each measure.

Dr. Uy's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Uy

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Geoffrey Lim Uy treated 262 Medicare patients in 2024, average age 69

CMS counts 262 Medicare patients who saw Dr. Uy in 2024. The largest group is 65 to 74, with 138 patients. 74% of them have high blood pressure, and 67% have high cholesterol. 14% are also on Medicaid. Their average risk score is 2.88, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Uy's median patient age at 69, with 40% women.

Medicare patients, 2024262
Average age69
Average risk score2.88
Also on Medicaid14%

Dr. Uy's Medicare patients by age, 2024

Dr. Uy's Medicare patients by sex, 2024

  • Women10640%
  • Men15660%

Chronic conditions among Dr. Uy's Medicare patients, 2024

  1. High blood pressure74%
  2. High cholesterol67%
  3. Arthritis43%
  4. Ischemic heart disease33%
  5. Cancer32%
  6. Chronic kidney disease32%
  7. Diabetes31%
  8. Heart failure30%

Share of Medicare patients with each condition. A patient can have several.

Dr. Uy's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 69

Patient panel by sex, all payers

  • Women40%
  • Men60%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Geoffrey Lim Uy wrote 775 Medicare Part D claims in 2024

In 2024, Dr. Uy wrote 775 Medicare Part D claims for 75 patients. 77% of them were for generic drugs. CMS names the drug for 536 of them, across 19 drugs with 11 or more claims each, at $1,198,572 in total drug cost. In 2023, CMS named 532 claims across 21 drugs.

Part D claims, 2024775
Drugs named by CMS19
Total drug cost$1.2M
Part D patients75

Dr. Uy's Part D claims by kind of drug, 2024

  • Generic599 claims77%
  • Brand-name and other176 claims23%

Dr. Uy's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Uy's Part D claims, 2024

  • Opioids3%20 of 775 claims
  • Antibiotics11%88 of 775 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 5322024: 5361%

Drugs named by CMS: 19 in 2024, 21 in 2023.

See all prescribing by Dr. Uy

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Geoffrey Lim Uy scored 84 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Uy for performance year 2024, reported as part of a group. Dr. Uy accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Uy's MIPS scores, performance year 2024

  • 84of 100Final score
  • 71.6of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 76of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Geoffrey Lim Uy has 117 publications on record

Dmand AI links 117 papers to Dr. Uy, published from 2010 to 2025. 2024 was the busiest year, with 11. The most frequent topics are Leukemia, Myeloid, Acute, Hematopoietic Stem Cell Transplantation and Antineoplastic Combined Chemotherapy Protocols. Dr. Uy has published most often in Blood Adv. Dr. Uy's most frequent co-authors are John F. Dipersio, MD, Peter Westervelt, MD and Mark Andrew Schroeder, MD.

Papers117
Years published2010 to 2025

Dr. Uy's papers by year, 2016 to 2025

Topics Dr. Uy writes about most

  • Leukemia, Myeloid, Acute
  • Hematopoietic Stem Cell Transplantation
  • Antineoplastic Combined Chemotherapy Protocols
  • Remission Induction
  • Myelodysplastic Syndromes
  • Graft vs Host Disease
  • Precursor Cell Lymphoblastic Leukemia-Lymphoma
  • Azacitidine

Dr. Uy's most frequent co-authors

Recent publications by Dr. Uy

See all 117 publications and co-authors

See who Dr. Uy researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Uy works with, so you can find a warm path to the right hematologists and oncologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Geoffrey Lim Uy has worked on 1 clinical trial

Dmand AI links Dr. Uy to 1 clinical trial. 1 is still active or recruiting. Conditions studied include Hematologic Neoplasms and Myelodysplastic Syndromes. Open Payments lists research payments to Dr. Uy that name 1 trial.

Conditions in Dr. Uy's trials

  • Hematologic Neoplasms
  • Myelodysplastic Syndromes

Recent clinical trials with Dr. Uy

Sources: Open Payments (CMS), 2025 data, released July 7, 2026; Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Geoffrey Lim Uy received $33,218 in industry payments from 2016 to 2025

CMS Open Payments shows 51 general payments to Dr. Uy from 18 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 89% of the total. Jazz Pharmaceuticals Inc. paid the most, $8,709. It also lists 4 research payments totaling $1,193 from 2016 to 2024, naming 1 clinical trial.

General payments to Dr. Uy by program year, 2016 to 2025

General payments to Dr. Uy by kind, 2016 to 2025

$33.2Kin total
  • Consulting fees$29,59089%
  • Food and beverage$2,3737%
  • Travel and lodging$1,2434%
  • Education$120%

Companies that paid Dr. Uy the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Uy

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Geoffrey Lim Uy graduated from Washington University School of Medicine

Dr. Uy graduated from Washington University School of Medicine in 2001.

  1. Medical schoolWashington University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Geoffrey Lim Uy's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Geoffrey Lim Uy

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Geoffrey Lim Uy's NPI number?

Dr. Geoffrey Lim Uy's NPI number is 1750427480. It was assigned on January 29, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Geoffrey Lim Uy?

Dr. Geoffrey Lim Uy is a hematologist and oncologist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).

Where does Dr. Geoffrey Lim Uy practice?

Dr. Uy practices at One Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110. Dr. Uy also practices at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110. Dr. Uy's primary practice is Barnes-Jewish Hospital in Saint Louis, Missouri, part of BJC Health. Dmand AI also links Dr. Uy to 1 hospital, 2 group practices and clinics and 1 medical group.

What is Dr. Geoffrey Lim Uy's office phone number?

The practice phone on file for Dr. Uy is (314) 747-3000.

What is Dr. Geoffrey Lim Uy's medical license number?

Dr. Uy holds Missouri license 2002018400.

Which hospitals is Dr. Geoffrey Lim Uy affiliated with?

Dr. Uy practices at Barnes-Jewish Hospital in Saint Louis, Missouri. Dr. Uy is also affiliated with Christian Hospital. Dmand AI links Dr. Uy to 1 more hospital.

What medical group is Dr. Geoffrey Lim Uy part of?

Dr. Uy is linked to WashU Medicine Psychiatry. Dmand AI links Dr. Uy to 1 more medical group.

Does Dr. Geoffrey Lim Uy accept Medicare?

Yes. CMS data shows Dr. Uy billed Medicare for 4,462 services in 2024, and Dr. Uy accepts Medicare assignment.

What is Dr. Geoffrey Lim Uy's MIPS score?

Dr. Uy's MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.

How many Medicare patients does Dr. Geoffrey Lim Uy see?

CMS counts 262 Medicare patients who saw Dr. Uy in 2024, with an average age of 69.

Show 7 more questionsShow fewer questions

What services does Dr. Geoffrey Lim Uy bill to Medicare?

In 2024, Dr. Uy's most billed Medicare services were injected or infused drug (J1453), injected or infused drug (J1100) and injected or infused drug (J2469).

Where did Dr. Geoffrey Lim Uy go to medical school?

Dr. Uy graduated from Washington University School of Medicine in 2001.

What drugs does Dr. Geoffrey Lim Uy prescribe most?

In 2024 Medicare Part D data, Dr. Uy's most prescribed drugs by claims were Acyclovir, Fluconazole and Sprycel.

Has Dr. Geoffrey Lim Uy received payments from drug or device companies?

CMS Open Payments shows $33,218 in general payments to Dr. Uy from 18 companies from 2016 to 2025. The largest total came from Jazz Pharmaceuticals Inc.

How long has Dr. Geoffrey Lim Uy been practicing?

Dr. Uy graduated from medical school in 2001, 25 years ago.

Does Dr. Geoffrey Lim Uy do research?

Dmand AI links 117 publications to Dr. Uy, published from 2010 to 2025. Dr. Uy has worked on 1 clinical trial.

Who does Dr. Geoffrey Lim Uy publish with?

Dr. Uy's most frequent co-authors are John F. Dipersio, MD (42 shared papers), Peter Westervelt, MD (26 shared papers) and Mark Andrew Schroeder, MD (24 shared papers).

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