William Meehan, M.D.
NPI 1902963424 · Psychiatry Physician · Chelmsford, MA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Meehan, M.D. is a Psychiatry Physician provider in Chelmsford, MA (NPI 1902963424).
Provider details
- NPI number
- 1902963424
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 238690 (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
- 2007-01-03
- Last updated
- 2011-08-17
Frequently asked questions
- What is William Meehan's NPI number?
- William Meehan's National Provider Identifier (NPI) is 1902963424, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Meehan's specialty?
- William Meehan is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is William Meehan located?
- William Meehan's practice location on file with NPPES is 228 Billerica Rd, Chelmsford, MA 01824-3604.
- What is William Meehan's phone number?
- The practice phone number listed in the NPPES registry for William Meehan is (978) 250-6240.
- Does William Meehan accept Medicare?
- William Meehan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Meehan's NPI active?
- Yes — William Meehan's NPI (1902963424) is active in the NPPES registry as of the last update on 2011-08-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.