Provider Profile
Margaret S. Johnston is a healthcare provider in Colchester, VT specializing in dermatology. According to Medicare claims data, Margaret cared for 1,477 Medicare patients across 2,185 services. The services billed most often include destruction of precancer skin growth, 2-14 growths, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and destruction of precancer skin growth, 1 growth.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
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.
354 MOUNTAIN VIEW DR STE 300
Colchester, VT 05446
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
2,185 services · 1,477 patients · 16 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Destruction of precancer skin growth, 2-14 growths | Procedure | 17003 |
727 | As often as other peers in Dermatology |
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
247 | As often as other peers in Dermatology |
| Biopsy of related skin growth, first growth | Procedure | 11102 |
240 | More often than most peers in Dermatology |
| Biopsy of related skin growth, each additional growth | Procedure | 11103 |
72 | As often as other peers in Dermatology |
| Destruction of skin growth, 1-14 growths | Procedure | 17110 |
71 | As often as other peers in Dermatology |
| Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm | Procedure | 17262 |
22 | As often as other peers in Dermatology |
| Punch biopsy, first skin growth | Procedure | 11104 |
15 | Less often than most peers in Dermatology |
| Destruction of precancer skin growth, 15 or more growths | Procedure | 17004 |
14 | Less often than most peers in Dermatology |
| Biopsy of ear | Procedure | 69100 |
11 | Less often than most peers in Dermatology |
| Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm | Procedure | 12032 |
11 | 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.
Margaret S. Johnston is a dermatologist (skin doctor) in Colchester, VT. That is the designation recorded for this NPI in the federal registry, where it is listed as “Dermatology”.
NPI registry
Margaret S. Johnston is listed at 354 Mountain View Dr Ste 300, Colchester, VT 05446. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (802) 864-0192. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Margaret S. Johnston's National Provider Identifier is 1669932406. 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
Margaret S. Johnston attended Other, graduating in 2019. This comes from the CMS National Downloadable File.
CMS public data
Margaret S. Johnston has 7 years experience. Calculated from a graduation year of 2019, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Margaret S. Johnston performs procedures including destruction of precancer skin growth, 2-14 growths, destruction of precancer skin growth, 1 growth and biopsy of related skin growth, first growth, 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 Margaret S. Johnston. 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.