Physician Profile
Sebastian S. Demarco, M.D. is a healthcare provider in Alexandria, VA specializing in dermatology. Sebastian trained at Brody School of Medicine at East Carolina University, graduating in 2015. According to Medicare claims data, Sebastian cared for 1,373 Medicare patients across 1,743 services. The services billed most often include removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
4660 KENMORE AVE STE 1100
Alexandria, VA 22304
350 3rd St
Beaver, PA 15009
101 Centennial St Ste H
La Plata, MD 20646
1185 Imperial Dr Ste 201
Hagerstown, MD 21740
1145 19th St NW Ste 301
Washington, DC 20036
Within Dermatology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Acne and follicular disorders
Eczema and inflammatory skin disease
Infections and infestations
Pigment, growths, and benign lesions
Skin cancer
Urticaria, itch, and vascular
Autoimmune and connective tissue
Infections
Rashes & allergy
Skin growths
Most searched procedures
Diagnostic procedures
Lesion treatment
Medical dermatology treatment
Cosmetic
Cosmetic and minor surgery
Cosmetic dermatology
Diagnostic
General dermatology
Infections
Medical dermatology
Nails & hair
Skin cancer surgery
Skin growths
1,743 services · 1,373 patients · 22 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks | Procedure | 17311 |
424 | More often than most peers in Dermatology |
| Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks | Procedure | 17312 |
197 | More often than most peers in Dermatology |
| Complicated repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet, 2.6-7.5 cm | Procedure | 13132 |
141 | More often than most peers in Dermatology |
| Repair of wound by transferring skin, each additional 30.0 sq cm | Procedure | 14302 |
79 | More often than most peers in Dermatology |
| Destruction of precancer skin growth, 2-14 growths | Procedure | 17003 |
57 | Less often than most peers in Dermatology |
| Removal and microscopic exam of growth of trunk, arms, or legs, 1-5 tissue blocks | Procedure | 17313 |
50 | As often as other peers in Dermatology |
| Complicated repair of wound of scalp, arms, or legs, 2.6-7.5 cm | Procedure | 13121 |
47 | As often as other peers in Dermatology |
| Repair of wound by transferring skin, 30.1-60.0 sq cm | Procedure | 14301 |
45 | More often than most peers in Dermatology |
| Repair of wound of eyelids, nose, ears, or lips by transferring skin, 10.1-30.0 sq cm | Procedure | 14061 |
40 | More often than most peers in Dermatology |
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
38 | Less often than most peers in Dermatology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Sebastian S. Demarco is a dermatologist (skin doctor) in Alexandria, VA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Dermatology”.
NPI registry
Sebastian S. Demarco is listed at 4660 Kenmore Ave Ste 1100, Alexandria, VA 22304. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (703) 370-0073. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Sebastian S. Demarco's National Provider Identifier is 1063807980. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Sebastian S. Demarco attended Brody School of Medicine at East Carolina University, graduating in 2015. This comes from the CMS National Downloadable File.
CMS public data
Sebastian S. Demarco has 11 years experience. Calculated from a graduation year of 2015, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Sebastian S. Demarco performs procedures including removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks, removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks and complicated repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet, 2.6-7.5 cm, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Sebastian S. Demarco. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.