Donald S. Bialos, M.D.
NPI 1154500692 · Adult Mental Health Clinic/Center · Madison, CT
Donald S. Bialos, M.D. is a Adult Mental Health Clinic/Center organization in Madison, CT (NPI 1154500692).
Provider details
- NPI number
- 1154500692
- Entity type
- Organization
- Primary specialty
- Adult Mental Health Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Donald Bialos, President(203) 245-7721
- License
- 013127 (CT)
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
- 2007-11-01
- Last updated
- 2007-11-01
Frequently asked questions
- What is Donald S. Bialos, M.D.'s NPI number?
- Donald S. Bialos, M.D.'s National Provider Identifier (NPI) is 1154500692, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Donald S. Bialos, M.D.?
- Donald S. Bialos, M.D. is classified in the NPPES registry as Adult Mental Health Clinic/Center (Ambulatory Health Care Facilities).
- Where is Donald S. Bialos, M.D. located?
- Donald S. Bialos, M.D.'s practice location on file with NPPES is 4 Samson Rock Dr, Madison, CT 06443-3005.
- What is Donald S. Bialos, M.D.'s phone number?
- The practice phone number listed in the NPPES registry for Donald S. Bialos, M.D. is (203) 245-7721.
- Who is the authorized official for Donald S. Bialos, M.D.?
- The authorized official listed on Donald S. Bialos, M.D.'s NPPES record is Donald Bialos, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Donald S. Bialos, M.D.'s NPI active?
- Yes — Donald S. Bialos, M.D.'s NPI (1154500692) is active in the NPPES registry as of the last update on 2007-11-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.