Doctor profile · Federal record
Dr. Margaret Johnston
Dermatology Physician (CMS: Dermatology) · Dermatology Physician · Colchester, VT
- NPI 1669932406
- Accepts Medicare
- MIPS 71.7 / 100 · 2023
- 7 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
354 Mountain View Dr Ste 300
Colchester, VT 054465988
(802) 864-0192
Credentials & registration
- NPI registered
- March 2019 — 7 yrs on file
- Profile last updated
- August 18, 2025
- Year of graduation
- 2019 — 7 yrs since
- Specialty taxonomy
- 207N00000X — NUCC code
- State licenses (2)
- Vermont #042.0017627 · New York #332091
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1669932406. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
480
Distinct HCPCS
9
Medicare allowed
$35,680
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
17003 |
Destruction of precancer skin growth, 2-14 growths | 156 | 30 | $7 | |
11102 |
Biopsy of related skin growth, first growth | 69 | 63 | $106 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 57 | 49 | $95 | |
17000 |
Destruction of precancer skin growth, 1 growth | 47 | 41 | $54 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 45 | 45 | $118 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 43 | 43 | $172 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 29 | 26 | $135 | |
11103 |
Biopsy of related skin growth, each additional growth | 22 | 14 | $55 | |
17110 |
Destruction of skin growth, 1-14 growths | 12 | 11 | $124 |
In context: peer comparison
Among 2 peers in Colchester Dermatology Physician, average services per provider: 107. This provider delivers 4.5× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
285
Patients
182
Total drug cost
$9,850
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ketoconazole | Generic | 114 | 68 | $2,502 |
| Clobetasol Propionate | Generic | 69 | 42 | $6,201 |
| Triamcinolone Acetonide | Generic | 46 | 33 | $473 |
| Hydrocortisone | Generic | 35 | 27 | $447 |
| Minoxidil | Generic | 21 | 12 | $226 |
Frequently asked questions
What is Dr. Margaret Johnston's medical specialty?
Dr. Margaret Johnston practices Dermatology Physician in Colchester, VT.
Where does Dr. Margaret Johnston practice?
Dr. Margaret Johnston practices at 354 Mountain View Dr Ste 300, Colchester, VT 054465988. Office phone: 8028640192.
What is Dr. Margaret Johnston's NPI?
Dr. Margaret Johnston's National Provider Identifier (NPI) is 1669932406, issued by NPPES.
Does Dr. Margaret Johnston accept Medicare assignment?
Yes. Dr. Margaret Johnston accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Margaret Johnston commonly perform?
Top Medicare-reported procedures in 2023: Destruction of precancer skin growth, 2-14 growths (HCPCS 17003); Biopsy of related skin growth, first growth (HCPCS 11102); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.