Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Derek Lee Masden, MD

Individual provider Plastic Surgery Physician · NPI 1043468374

Derek Lee Masden, MD practises Plastic and Reconstructive Surgery in Baltimore, Maryland. Graduated from University of Rochester School of Medicine and Dentistry in 2006, 20 years ago. Practices with Luminis Health Medical Group, LLC, a 549-clinician group and accepts Medicare assignment. Licensed in District of Columbia.

Years since qualifying
20
Trained at
University of Rochester School of Medicine and Dentistry
Licensed in
DC
In the registry since
2008
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

3333 N Calvert St
Baltimore, MD 21218-2867
Phone: (585) 233-9659
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Plastic Surgery Physician (primary) Taxonomy 208200000X · Licence MD039853 (DC)

Record details

NPI number1043468374
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 28, 2008
Last updated in NPPESSeptember 15, 2017

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPLASTIC AND RECONSTRUCTIVE SURGERY
Medical schoolUNIVERSITY OF ROCHESTER SCHOOL OF MEDICINE AND DENTISTRY
Graduated 2006 (20 years in practice)
Group practice Luminis Health Medical Group, Llc — 549 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Procedures

From CMS Care Compare, which counts the procedures a clinician billed to Original Medicare and Medicare Advantage over a recent 12-month period. CMS reports a fixed list of common procedures, so this is not everything the clinician does. Counts of 10 or fewer are given as a range, because CMS withholds small numbers.

Mastectomy 47 times · 94th percentile
Melanoma (skin cancer) excision 47 times · 86th percentile
Removal of tissue 1–10 times
Skin biopsy 1–10 times

The percentile compares how often this clinician performed the procedure with other clinicians who performed it, as CMS calculates it. It measures volume, not outcomes or skill.

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients99
Services billed 228 a service is one billed item, such as a visit, a test or a procedure
Average patient age71

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Payments from drug and device companies, 2025

Drug and device makers are required by federal law (the Physician Payments Sunshine Act) to report what they pay or give to clinicians, and CMS publishes the reports as Open Payments. This is the 2025 program year. A report is a record of a payment, not an allegation of anything, and many are small items such as meals. Only general payments are listed here; research payments and ownership or investment interests are reported separately by CMS and are not shown.

Honoraria $2,400 2 payments
Long term medical supply or device loan $1,553 1 payment · a device or supply lent for a long period, not cash
Food and Beverage $1,333 23 payments · a meal or drink at a meeting or visit, not a fee

Each amount is the sum of what companies reported for that kind of payment in 2025, rounded to the dollar. Not all of it is income to the clinician: a meal is not a fee, a charitable contribution goes to a charity, and a royalty or an acquisition payment is not a salary.

Check a report, or dispute one, at the source in CMS’s own tool, Open Payments. Corrections go through CMS’s dispute process. This site removes a home address on request and asks for no proof, because that is privacy; it will not remove an accurate payment report on request, because that is a statutory public disclosure.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Luminis Health Medical Group, LLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 549 clinicians in the practice; 12 are shown here.

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