Charles O'Neill, M.D.
NPI 1437136561 · Obstetrics & Gynecology Physician · Pittsfield, MA
Charles O'Neill, M.D. is a Obstetrics & Gynecology Physician provider in Pittsfield, MA (NPI 1437136561).
Provider details
- NPI number
- 1437136561
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 57398 (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
20 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
- 2005-12-29
- Last updated
- 2014-05-09
Frequently asked questions
- What is Charles O'Neill's NPI number?
- Charles O'Neill's National Provider Identifier (NPI) is 1437136561, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles O'Neill's specialty?
- Charles O'Neill is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Charles O'Neill located?
- Charles O'Neill's practice location on file with NPPES is 725 North St, Pittsfield, MA 01201-4109.
- What is Charles O'Neill's phone number?
- The practice phone number listed in the NPPES registry for Charles O'Neill is (413) 881-5427.
- Is Charles O'Neill's NPI active?
- Yes — Charles O'Neill's NPI (1437136561) is active in the NPPES registry as of the last update on 2014-05-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.