NPPES file of Aug 9, 2026

Joseph Chu, MD

Emergency Medical Services (Emergency Medicine) Physician · Warrenton, VA

Joseph Chu, MD is an emergency medical services (emergency medicine) physician with a practice address in Warrenton, Virginia, and NPI 1104832278, issued on Jul 31, 2006. Check the license (Virginia 0101234590, as entered in NPPES) on the Virginia Department of Health Professions; 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
1104832278
Name
Joseph Chu
Credential
MD
Primary taxonomy
Emergency Medical Services (Emergency Medicine) Physician 207PE0004X
License number
0101234590 VA
Self-reported in NPPES; status is on the state search
Practice location
500 Hospital Dr, Warrenton, VA 20186
Phone
(540) 349-0595
Enumerated
Jul 31, 2006
Record last updated
May 6, 2008 (not updated in 18 years: call before relying on the address or phone)
Medicaid IDs
010096880 VA
010119278 VA
Medicare enrollment
Enrolled (PECOS I20041116000444); accepts Medicare assignment
Medical or professional school
Jefferson Medical College Of Thomas Jefferson University, 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 500 Hospital Dr

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

  1. Khawaja Ahmed, M.D.Hospitalist Physician1437360542
  2. Zohayr Alshaial, M.D.Internal Medicine Physician1841245537
  3. Arij Azhar, MDCritical Care Medicine (Internal Medicine) Physician1811493299
  4. William Barker, MDEmergency Medical Services (Emergency Medicine) Physician1770599847
  5. Jennifer Benjamin, PAMedical Physician Assistant1639183593
  6. Melissa Braun, NPNeonatal Nurse Practitioner1023365335

Verify Joseph Chu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersVirginia Department of Health Professions
    Search for license 0101234590
    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 Virginia 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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30% fewer Medicare Part D claims than the average emergency medical services (emergency medicine) physician in 2024

205 Medicare Part D claims for 162 beneficiaries, against an average of 292 among the 1,653 providers of this specialty who prescribed in Part D. 13 claims were for opioids.

  1. Joseph Chu205
  2. Specialty average292

Most prescribed

  1. Amoxicillin-Clavulanate Potass35 claims
  2. Prednisone14 claims
  3. Levofloxacin13 claims
  4. Oxycodone-Acetaminophen13 claims
  5. Ciprofloxacin Hcl12 claims
  6. Ondansetron Odt12 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): 92.3 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 score91.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  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: $34.71

2 payments; by number, the most common kind was food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. The 489 providers of this specialty with any payment received $337.59 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Joseph Chu$34.71
  2. Specialty average$337.59

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. Fair Oaks Emergency Physicians PLLCFairfax, VA

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

Joseph Chu among 82 emergency medical services (emergency medicine) physician records in Virginia

Joseph Chu, MD is one of 82 emergency medical services (emergency medicine) physician records with a practice address in Virginia. 52% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 15% newer
  • In a Medicare fileYes · 52% of these records are
  • In the CMS Doctors and Clinicians fileYes · 39% of these records are
  • Graduated2001 · median 2000 among the 32 with a school on file
  • Record last updated2008 · 82% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207PE0004X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

12 emergency medical services (emergency medicine) physician records list a practice address in Warrenton

They are 12 of the 592 NPPES records with a practice address in Warrenton, and 82 emergency medical services (emergency medicine) physician records in Virginia.

The 8 emergency medical services (emergency medicine) physician records with the nearest ZIP codes

  1. William Barker, MDWarrenton, VA 201861770599847
  2. Michael Jenks, MDWarrenton, VA 201861487660551
  3. Jeffrey Joseph, DOWarrenton, VA 201861346256427
  4. Aamir Latif, MDWarrenton, VA 201861750395612
  5. Patrick Meehan, MDWarrenton, VA 201861356355226
  6. Kristy Reynolds, MDWarrenton, VA 201861306850268
  7. Joseph Servideo, MDWarrenton, VA 201861013921972
  8. Nasser Sitta, MDWarrenton, VA 201861992719843

Common questions

What is Joseph Chu, MD's NPI number?

Joseph Chu, MD's National Provider Identifier (NPI) is 1104832278, issued on Jul 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Joseph Chu, MD located?

The NPPES record lists a practice address at 500 Hospital Dr, Warrenton, VA, 20186. Phone: (540) 349-0595. Providers update this record themselves, so call before visiting.

How can I verify Joseph Chu, MD's license?

NPPES lists Virginia license number 0101234590, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Joseph Chu, MD prescribe under Medicare Part D?

In 2024, Joseph Chu, MD had 205 Medicare Part D claims for 162 beneficiaries; the average among emergency medical services (emergency medicine) physician prescribers was 292. Part D covers Medicare prescriptions only.

What is Joseph Chu, MD's MIPS final score?

The 2023 MIPS final score is 92.3 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.