Margaret Bia, MD
NPI 1114901980 · Nephrology Physician · New Haven, CT
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Bia, MD is a Nephrology Physician provider in New Haven, CT (NPI 1114901980).
Provider details
- NPI number
- 1114901980
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 017703 (CT)
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
- 2005-12-05
- Last updated
- 2008-05-22
Frequently asked questions
- What is Margaret Bia's NPI number?
- Margaret Bia's National Provider Identifier (NPI) is 1114901980, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Bia's specialty?
- Margaret Bia is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Margaret Bia located?
- Margaret Bia's practice location on file with NPPES is 789 Howard Ave, New Haven, CT 06519-1304.
- What is Margaret Bia's phone number?
- The practice phone number listed in the NPPES registry for Margaret Bia is (203) 785-4184.
- Does Margaret Bia accept Medicare?
- Margaret Bia is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Bia's NPI active?
- Yes — Margaret Bia's NPI (1114901980) is active in the NPPES registry as of the last update on 2008-05-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.