William Carter, M.D.
NPI 1427163484 · Psychiatry Physician · Belmont, MA
William Carter, M.D. is a Psychiatry Physician provider in Belmont, MA (NPI 1427163484).
Provider details
- NPI number
- 1427163484
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 74693 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 20 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Clozapine | 80 |
| Dextroamphetamine/Amphetaminebrand: Dextroamphetamine-Amphetamine | 49 |
| Lamotrigine | 44 |
| Clonazepam | 30 |
| Pramipexole Di-Hclbrand: Pramipexole Dihydrochloride | 28 |
| Lorazepam | 24 |
| Escitalopram Oxalate | 23 |
| Gabapentin | 23 |
| Bupropion Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-20
- Last updated
- 2013-07-09
Frequently asked questions
- What is William Carter's NPI number?
- William Carter's National Provider Identifier (NPI) is 1427163484, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Carter's specialty?
- William Carter is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is William Carter located?
- William Carter's practice location on file with NPPES is Mclean Hospital, Belmont, MA 02478.
- What is William Carter's phone number?
- The practice phone number listed in the NPPES registry for William Carter is (617) 855-2277.
- Is William Carter's NPI active?
- Yes — William Carter's NPI (1427163484) is active in the NPPES registry as of the last update on 2013-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.