William Knight, M.D.
NPI 1790815397 · Psychiatry Physician · Pittsfield, MA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Knight, M.D. is a Psychiatry Physician provider in Pittsfield, MA (NPI 1790815397).
Provider details
- NPI number
- 1790815397
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 32258 (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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-03-06
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Knight's NPI number?
- William Knight's National Provider Identifier (NPI) is 1790815397, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Knight's specialty?
- William Knight is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is William Knight located?
- William Knight's practice location on file with NPPES is 510 North St, Pittsfield, MA 01201-4111.
- What is William Knight's phone number?
- The practice phone number listed in the NPPES registry for William Knight is (413) 442-4438.
- Does William Knight accept Medicare?
- William Knight is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Knight's NPI active?
- Yes — William Knight's NPI (1790815397) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.