Dr. Isabelle Phuong Le, MD

  • Arlington, VA
  • Hematologist and oncologist
NPI1588807721PAC ID4587950092
Medicare services, 2024
38,230
Medicare patients, 2024
522
Part D claims, 2024
565
Publications
1
Clinical trials
4
Practice address
1701 North George Mason Drive, Arlington, VA 22205
Practice phone
Call (703) 558-5000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

VHC Health

Hospital · Arlington, Virginia

See all 6 affiliations

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Dr. Isabelle Phuong Le is a hematologist and oncologist in Arlington, Virginia

Dr. Le practices at VHC Health in Arlington, Virginia, part of VHC Health.

Dr. Le's NPI, 1588807721, was assigned on April 17, 2009. Dr. Le graduated from Wayne State University School of Medicine in 2009. Dr. Le holds Virginia license 0101275894.

NPI and contact details
Medicare PAC ID
4587950092
NPI enumeration date
April 17, 2009
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(703) 558-5000
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
43
Medical school graduation
2009

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

Dr. Isabelle Phuong Le practices at VHC Health in Arlington, Virginia

Dr. Le's primary practice is VHC Health, at 1701 North George Mason Drive, Arlington, VA 22205 in Arlington County. The practice phone is (703) 558-5000.

  • VHC Health
    1701 North George Mason Drive, Arlington, VA 22205 · Arlington CountyPhone(703) 558-5000

Source: Dmand AI Affiliation Data

Dr. Isabelle Phuong Le is affiliated with 5 sites of care and 1 medical group

Dr. Le's primary practice is VHC Health in Arlington, Virginia, part of VHC Health. Dr. Le is also affiliated with Inova Alexandria Hospital. The medical group on file is Virginia Cancer Specialists. Dmand AI also links Dr. Le to 2 more hospitals and 1 group practice or clinic, each named with a free account.

See all 6 affiliations for Dr. Le

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

Dmand AI tracks the EHR system at Dr. Isabelle Phuong Le's practice

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

EHR by site
SiteEHR vendor and product
VHC HealthAvailable with a free account
+4 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Isabelle Phuong Le is one of 297 hematologists and oncologists in Virginia

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

Specialties and state licenses

  • Hematology and oncology, VirginiaPrimaryLicense 0101275894 · taxonomy 207RH0003X

Hematologists and oncologists near Dr. Le

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. Isabelle Phuong Le billed Medicare for 38,230 services in 2024

CMS data shows 38,230 Medicare services from Dr. Le across 55 procedure codes in 2024, for 522 Medicare patients. Medicare paid $1,141,613 for them.

Medicare services, 202438,230
Medicare patients522
Paid by Medicare$1.1M
Procedure codes55

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

  • 2023
  • 2024
Drugs given in the office
2023: 30,6182024: 33,62410%
Other services
2023: 1,8662024: 1,29730%
Lab and pathology
2023: 922024: 1,1551155%
Tests and treatments
2023: 1,2612024: 1,13810%
Office and hospital visits
2023: 6272024: 6331%
Surgery
2023: 612024: 383528%

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

  • In an office38,165100%
  • In a facility650%

Dr. Le compared with the Virginia median for hematologists and oncologists, 2024

  • Dr. Le
  • Virginia median
Medicare services
38,230vs 3,51410.9 times
Medicare patients
522vs 47410% above
Part D claims
495vs 45210% above

Medians across 275 hematologists and oncologists in Virginia with Dmand AI profiles that report each measure.

Dr. Le'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. Le

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

Dr. Isabelle Phuong Le treated 522 Medicare patients in 2024, average age 77

CMS counts 522 Medicare patients who saw Dr. Le in 2024. The largest group is 75 to 84, with 245 patients. 75% of them have high cholesterol, and 73% have high blood pressure. 7% are also on Medicaid. Their average risk score is 1.99, 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. Le's median patient age at 68, with 75% women.

Medicare patients, 2024522
Average age77
Average risk score1.99
Also on Medicaid7%

Dr. Le's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Le's Medicare patients by sex, 2024

  • Women30158%
  • Men22142%

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

  1. High cholesterol75%
  2. High blood pressure73%
  3. Cancer58%
  4. Arthritis52%
  5. Ischemic heart disease41%
  6. Chronic kidney disease28%
  7. Diabetes27%
  8. Mood disorders22%

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

Dr. Le's patients across all payers

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

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women75%
  • Men22%

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

Dr. Isabelle Phuong Le wrote 565 Medicare Part D claims in 2024

In 2024, Dr. Le wrote 565 Medicare Part D claims for 146 patients. 81% of them were for generic drugs. CMS names the drug for 495 of them, across 16 drugs with 11 or more claims each, at $1,263,425 in total drug cost. In 2023, CMS named 530 claims across 11 drugs.

Part D claims, 2024565
Drugs named by CMS16
Total drug cost$1.3M
Part D patients146

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

  • Generic460 claims81%
  • Brand-name105 claims19%

Dr. Le'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. Le's Part D claims, 2024

  • Antipsychotics, patients 65 and over2%14 of 565 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: 5302024: 4957%

Drugs named by CMS: 16 in 2024, 11 in 2023.

See all prescribing by Dr. Le

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. Isabelle Phuong Le offers telehealth to Medicare patients

Dr. Le accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Le as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Isabelle Phuong Le has 1 publication on record

Dmand AI links 1 paper to Dr. Le in 2019. Dr. Le's most frequent co-authors are Andrew Jacob Brenner, MD, PhD, Matthew James Butler, MD and Geraldine Faivre.

Papers1

Dr. Le's most frequent co-authors

Recent publications by Dr. Le

See all 1 publications and co-authors

See who Dr. Le researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Le 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. Isabelle Phuong Le has worked on 4 clinical trials

Dmand AI links Dr. Le to 4 clinical trials, 3 of them phase 3 studies. 4 are still active or recruiting. Conditions studied include Breast Carcinoma In Situ, Breast Neoplasms and COVID-19. Alliance for Clinical Trials in Oncology sponsors the most, 2.

Conditions in Dr. Le's trials

  • Breast Carcinoma In Situ
  • Breast Neoplasms
  • COVID-19
  • Breast Diseases
  • Carcinoma in Situ

Investigators on the most trials with Dr. Le

Recent clinical trials with Dr. Le

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Isabelle Phuong Le received $5,065 in industry payments from 2016 to 2025

CMS Open Payments shows 60 general payments to Dr. Le from 18 drug and device companies from 2016 to 2025. Device or supply loans make up the largest share, 42% of the total. Novartis Pharmaceuticals Corporation paid the most, $2,193.

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

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

$5.1Kin total
  • Device or supply loans$2,13142%
  • Consulting fees$1,37527%
  • Food and beverage$1,35227%
  • Education$2074%

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

Share is of all general payments to this clinician.

See all payments to Dr. Le

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

Dr. Isabelle Phuong Le graduated from Wayne State University School of Medicine

Dr. Le graduated from Wayne State University School of Medicine in 2009.

  1. Medical schoolWayne State University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Isabelle Phuong Le'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 phoneDmand AI Affiliation 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)
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. Isabelle Phuong Le

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. Isabelle Phuong Le's NPI number?

Dr. Isabelle Phuong Le's NPI number is 1588807721. It was assigned on April 17, 2009, and it is active in the NPI Registry.

What kind of doctor is Dr. Isabelle Phuong Le?

Dr. Isabelle Phuong Le is a hematologist and oncologist in Arlington, Virginia. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).

Where does Dr. Isabelle Phuong Le practice?

Dr. Le practices at 1701 North George Mason Drive, Arlington, VA 22205. Dr. Le's primary practice is VHC Health in Arlington, Virginia, part of VHC Health. Dmand AI also links Dr. Le to 2 hospitals and 1 group practice or clinic.

What is Dr. Isabelle Phuong Le's office phone number?

The practice phone on file for Dr. Le is (703) 558-5000.

What is Dr. Isabelle Phuong Le's medical license number?

Dr. Le holds Virginia license 0101275894.

Which hospitals is Dr. Isabelle Phuong Le affiliated with?

Dr. Le practices at VHC Health in Arlington, Virginia. Dr. Le is also affiliated with Inova Alexandria Hospital. Dmand AI links Dr. Le to 2 more hospitals.

What medical group is Dr. Isabelle Phuong Le part of?

Dr. Le is linked to Virginia Cancer Specialists.

Does Dr. Isabelle Phuong Le accept Medicare?

Yes. CMS data shows Dr. Le billed Medicare for 38,230 services in 2024, and Dr. Le accepts Medicare assignment.

Does Dr. Isabelle Phuong Le offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Le as offering telehealth services.

How many Medicare patients does Dr. Isabelle Phuong Le see?

CMS counts 522 Medicare patients who saw Dr. Le in 2024, with an average age of 77.

Show 7 more questionsShow fewer questions

What services does Dr. Isabelle Phuong Le bill to Medicare?

In 2024, Dr. Le's most billed Medicare services were injected or infused drug (J9144), injected or infused drug (J0881) and injected or infused drug (J9271).

Where did Dr. Isabelle Phuong Le go to medical school?

Dr. Le graduated from Wayne State University School of Medicine in 2009.

What drugs does Dr. Isabelle Phuong Le prescribe most?

In 2024 Medicare Part D data, Dr. Le's most prescribed drugs by claims were Anastrozole, Letrozole and Ibrance.

Has Dr. Isabelle Phuong Le received payments from drug or device companies?

CMS Open Payments shows $5,065 in general payments to Dr. Le from 18 companies from 2016 to 2025. The largest total came from Novartis Pharmaceuticals Corporation.

How long has Dr. Isabelle Phuong Le been practicing?

Dr. Le graduated from medical school in 2009, 17 years ago.

Does Dr. Isabelle Phuong Le do research?

Dmand AI links 1 publication to Dr. Le. Dr. Le has worked on 4 clinical trials.

Who does Dr. Isabelle Phuong Le publish with?

Dr. Le's most frequent co-authors are Andrew Jacob Brenner, MD, PhD (1 shared paper), Matthew James Butler, MD (1 shared paper) and Geraldine Faivre (1 shared paper).

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