Mason Stillman
NPI 1346827078 · Psychiatry Physician · Berlin, VT
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mason Stillman is a Psychiatry Physician provider in Berlin, VT (NPI 1346827078).
Provider details
- NPI number
- 1346827078
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- R3753 (NH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Bupropion Hclbrand: Bupropion Xl | 57 |
| Clozapine | 42 |
| Sertraline Hcl | 33 |
| Trazodone Hcl | 33 |
| Duloxetine Hcl | 31 |
| Risperidone | 31 |
| Donepezil Hcl | 26 |
| Divalproex Sodiumbrand: Divalproex Sodium Er | 25 |
| Quetiapine Fumarate | 22 |
Practice location
Mailing address
Additional practice locations (1)
- 1 Medical Center DrLebanon, NH 03756-1000Phone: (603) 650-5000
Registry dates
- Enumerated
- 2021-03-27
- Last updated
- 2023-09-01
- Certified
- 2023-09-01
Frequently asked questions
- What is Mason Stillman's NPI number?
- Mason Stillman's National Provider Identifier (NPI) is 1346827078, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mason Stillman's specialty?
- Mason Stillman is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Mason Stillman located?
- Mason Stillman's practice location on file with NPPES is 130 Fisher Rd, Berlin, VT 05602-9516.
- What is Mason Stillman's phone number?
- The practice phone number listed in the NPPES registry for Mason Stillman is (802) 371-4100.
- Does Mason Stillman accept Medicare?
- Mason Stillman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mason Stillman's NPI active?
- Yes — Mason Stillman's NPI (1346827078) is active in the NPPES registry as of the last update on 2023-09-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.