Doctor profile · Federal record
Dr. Colin McWilliams
Gerontology Nurse Practitioner (CMS: Nurse Practitioner) · Duxbury, MA
- NPI 1396464319
- Accepts Medicare
- 4 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
251 Tremont St
Duxbury, MA 023324828
(781) 249-5960
Credentials & registration
- NPI registered
- August 2022 — 4 yrs on file
- Year of graduation
- 2022 — 4 yrs since
- Specialty taxonomy
- 363LG0600X — NUCC code
- State license (1)
- Massachusetts #AG07220180
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1396464319. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,201
Distinct HCPCS
9
Medicare allowed
$100,066
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90833 |
Psychotherapy with evaluation and management visit, 30 minutes | 344 | 71 | $58 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 293 | 64 | $107 | |
99309 |
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 186 | 118 | $92 | |
90785 |
Psychiatric services complicated by communication factor | 150 | 50 | $13 | |
99306 |
Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 90 | 89 | $157 | |
99308 |
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes | 65 | 61 | $64 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 26 | 16 | $154 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 24 | 24 | $190 | |
99310 |
Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 23 | 15 | $132 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 133. This provider delivers 9.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,001
Patients
150
Total drug cost
$45,568
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Clonazepam | Generic | 156 | 22 | $1,678 |
| Lamotrigine | Generic | 100 | 20 | $2,254 |
| Trazodone Hcl | Generic | 97 | 25 | $2,155 |
| Sertraline Hcl | Generic | 79 | 13 | $1,240 |
| Aripiprazole | Generic | 77 | 15 | $10,011 |
| Gabapentin | Generic | 74 | 14 | $937 |
| Lorazepam | Generic | 72 | 18 | $1,002 |
| Dextroamphetamine-Amphetamine (Dextroamphetamine/Amphetamine) | Brand | 52 | 0 | $2,055 |
| Risperidone | Generic | 52 | 0 | $880 |
| Bupropion Xl (Bupropion Hcl) | Brand | 50 | 12 | $4,117 |
Frequently asked questions
What is Dr. Colin McWilliams's medical specialty?
Dr. Colin McWilliams practices Gerontology Nurse Practitioner in Duxbury, MA.
Where does Dr. Colin McWilliams practice?
Dr. Colin McWilliams practices at 251 Tremont St, Duxbury, MA 023324828. Office phone: 7812495960.
What is Dr. Colin McWilliams's NPI?
Dr. Colin McWilliams's National Provider Identifier (NPI) is 1396464319, issued by NPPES.
Does Dr. Colin McWilliams accept Medicare assignment?
Yes. Dr. Colin McWilliams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Colin McWilliams commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy with evaluation and management visit (HCPCS 90833); Established patient office or other outpatient visit (HCPCS 99214); Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309). Source: CMS Medicare Physician & Other Practitioners file.