NPPES file of Aug 9, 2026

John L. Roussalis, M.D.PC

Plastic and Reconstructive Surgery Physician · Newark, DE

John L. Roussalis, M.D.PC is a plastic and reconstructive surgery physician with a practice address in Newark, Delaware, and NPI 1235252669, issued on Apr 9, 2007. Check the license on the Delaware Board of Medical Licensure and Discipline; 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
1235252669
Name
John L. Roussalis
Credential
M.D.PC
Primary taxonomy
Plastic and Reconstructive Surgery Physician 2086S0122X
License number
MD426938 PA
Self-reported in NPPES; status is on the state search
Practice location
537 Stanton Christiana RD, Newark, DE 19713
Phone
(302) 633-7550
Enumerated
Apr 9, 2007
Record last updated
Jun 23, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(302) 633-7556
Medicaid ID
127068100 WY
Medicare enrollment
Enrolled (PECOS I20170807000644); accepts Medicare assignment
Medical or professional school
Creighton University School Of Medicine, 2000
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 537 Stanton Christiana RD

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

  1. Sara Abbo, CRNPFamily Nurse Practitioner1104223007
  2. Hasan Ali, MDGastroenterology Physician1427064260
  3. Hannah Anderson, MDDermatology Physician1265992754
  4. VI Banh, PA-CPhysician Assistant1154897882
  5. Daniella Benson, PA,C.Physician Assistant1396964128
  6. Michele Compton, PA-CMedical Physician Assistant1629103536

Verify John L. Roussalis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersDelaware Board of Medical Licensure and DisciplineCheck 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 Delaware license search

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4.9 times the Medicare Part D claims of the average plastic and reconstructive surgery physician in 2024

460 Medicare Part D claims for 208 beneficiaries, against an average of 93 among the 1,895 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 18 claims were for opioids.

  1. John Roussalis460
  2. Specialty average93

Most prescribed

  1. Mupirocin147 claims
  2. Doxycycline Hyclate99 claims
  3. Cephalexin89 claims
  4. Clindamycin Hcl40 claims
  5. Santyl35 claims
  6. Hydrocodone-Acetaminophen11 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): 75.6 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 score98.4
  2. Costout of 100 · 30%21.0
  3. Promoting interoperabilityout of 100 · 25%99.0
  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: $4,322.95

23 payments; by number, the most common kind was food and beverage; the largest payer was Kerecis Limited. The 2,042 providers of this specialty with any payment received $2,814.09 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Roussalis$4,322.95
  2. Specialty average$2,814.09

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. Panzer Dermatology AssociatesNewark, DE

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

Plastic and Reconstructive Surgery Physician providers in Delaware

There are 8 plastic and reconstructive surgery physician records in Delaware.

The 7 plastic and reconstructive surgery physician records with the nearest ZIP codes

  1. Stephanie Caterson, M.D.Newark, DE 197131588696025
  2. Julia Macrae, MDNewark, DE 197131902988256
  3. Rhoda PowellWilmington, DE 198031669460531
  4. Ian Lonergan, D.O.Wilmington, DE 198061174795744
  5. Benjamin Cooper, MDWilmington, DE 198081487650867
  6. David Schmidt, MDDover, DE 199011194831149
  7. Jonathan Sarik, MDMilford, DE 199631013207117

Common questions

What is John L. Roussalis, M.D.PC's NPI number?

John L. Roussalis, M.D.PC's National Provider Identifier (NPI) is 1235252669, issued on Apr 9, 2007. An NPI identifies a provider in billing; it is not a license.

Where is John L. Roussalis, M.D.PC located?

The NPPES record lists a practice address at 537 Stanton Christiana RD, Newark, DE, 19713. Phone: (302) 633-7550. Providers update this record themselves, so call before visiting.

How can I verify John L. Roussalis, M.D.PC's license?

Search the Delaware Board of Medical Licensure and Discipline at https://delpros.delaware.gov/OH_VerifyLicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does John L. Roussalis, M.D.PC prescribe under Medicare Part D?

In 2024, John L. Roussalis, M.D.PC had 460 Medicare Part D claims for 208 beneficiaries; the average among plastic and reconstructive surgery physician prescribers was 93. Part D covers Medicare prescriptions only.

What is John L. Roussalis, M.D.PC's MIPS final score?

The 2023 MIPS final score is 75.6 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.