NPPES file of Aug 9, 2026

Khalil Hassan Chamseddin, M.D.

Vascular Surgery Physician · Dallas, TX

Khalil Hassan Chamseddin, M.D. is a vascular surgery physician with a practice address in Dallas, Texas, and NPI 1598110157, issued on May 2, 2016. Check the license (Texas S7186, as entered in NPPES) on the Texas Medical Board; 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
1598110157
Name
Khalil Hassan Chamseddin
Credential
M.D.
Primary taxonomy
Vascular Surgery Physician 2086S0129X
License number
S7186 TX
Self-reported in NPPES; status is on the state search
Practice location
5323 Harry Hines Blvd, Dallas, TX 75390
Phone
(214) 590-8000
Enumerated
May 2, 2016
Record last updated
Aug 18, 2022
Medicare enrollment
Enrolled (PECOS I20220718000042); accepts Medicare assignment
Medical or professional school
University Of Texas Southwestern Medical School At Dallas, 2016
Telehealth
Offers telehealth (CMS)
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 5323 Harry Hines Blvd

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

  1. Ali Abbas, MDStudent in an Organized Health Care Education/Training Program1447822507
  2. Laila Abbas, MDStudent in an Organized Health Care Education/Training Program1861132524
  3. Eileen Abbasi, CRNACertified Registered Nurse Anesthetist1588918981
  4. Mina Abbassi-Ghanavati, MDObstetrics & Gynecology Physician1154509610
  5. Abier Abdelnaby, M.D.Colon & Rectal Surgery Physician1831312503
  6. Ahmed AbdiStudent in an Organized Health Care Education/Training Program1952095184

Verify Khalil Hassan Chamseddin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license S7186
    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 Texas 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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62% fewer Medicare Part D claims than the average vascular surgery physician in 2024

76 Medicare Part D claims for 36 beneficiaries, against an average of 201 among the 3,936 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 33 claims were for opioids.

  1. Khalil Chamseddin76
  2. Specialty average201

Most prescribed

  1. Hydrocodone-Acetaminophen21 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): 74.6 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 score56.1
  2. Costout of 100 · 30%59.2
  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: $5,519.53

54 payments; by number, the most common kind was food and beverage; the largest payer was Penumbra, Inc. The 4,059 providers of this specialty with any payment received $6,178.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Khalil Chamseddin$5,519.53
  2. Specialty average$6,178.00

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. University OF Texas Southwestern Medical Center AT DallasDallas, TX

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

Khalil Hassan Chamseddin among 368 vascular surgery physician records in Texas

Khalil Hassan Chamseddin, M.D. is one of 368 vascular surgery physician records with a practice address in Texas. 91% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 81% of them.

  • NPI issued2016 · 81% of these records are older, 13% newer
  • In a Medicare fileYes · 91% of these records are
  • In the CMS Doctors and Clinicians fileYes · 79% of these records are
  • Graduated2016 · median 2004 among the 290 with a school on file
  • Record last updated2022 · 39% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086S0129X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Vascular Surgery Physician providers in Texas

There are 368 vascular surgery physician records in Texas.

The 8 vascular surgery physician records with the nearest ZIP codes

  1. Mirza Baig, M.D.Dallas, TX 753901023275526
  2. George Clagett, MDDallas, TX 753901801858790
  3. Melissa Kirkwood, MDDallas, TX 753901043444565
  4. John Modrall, MDDallas, TX 753901457435398
  5. Bala Ramanan, M.B.B.S.Dallas, TX 753901811144025
  6. Darshan Randhawa, MDDallas, TX 753901063972743
  7. Carlos Timaran, MDDallas, TX 753901588627269
  8. Todd Cumbie, MDTexarkana, TX 755031679777585

Common questions

What is Khalil Hassan Chamseddin, M.D.'s NPI number?

Khalil Hassan Chamseddin, M.D.'s National Provider Identifier (NPI) is 1598110157, issued on May 2, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Khalil Hassan Chamseddin, M.D. located?

The NPPES record lists a practice address at 5323 Harry Hines Blvd, Dallas, TX, 75390. Phone: (214) 590-8000. Providers update this record themselves, so call before visiting.

How can I verify Khalil Hassan Chamseddin, M.D.'s license?

NPPES lists Texas license number S7186, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Khalil Hassan Chamseddin, M.D. prescribe under Medicare Part D?

In 2024, Khalil Hassan Chamseddin, M.D. had 76 Medicare Part D claims for 36 beneficiaries; the average among vascular surgery physician prescribers was 201. Part D covers Medicare prescriptions only.

What is Khalil Hassan Chamseddin, M.D.'s MIPS final score?

The 2023 MIPS final score is 74.6 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.