Lydia Greiner, APRN
NPI 1225159171 · Psychiatric/Mental Health Nurse Practitioner · Bridgeport, CT
Lydia Greiner, APRN is a Psychiatric/Mental Health Nurse Practitioner provider in Bridgeport, CT (NPI 1225159171).
Provider details
- NPI number
- 1225159171
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN
- Sex
- Female
- Sole proprietor
- No
- License
- 003362 (CT)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
- 2007-04-02
- Last updated
- 2007-07-08
Frequently asked questions
- What is Lydia Greiner's NPI number?
- Lydia Greiner's National Provider Identifier (NPI) is 1225159171, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lydia Greiner's specialty?
- Lydia Greiner is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Lydia Greiner located?
- Lydia Greiner's practice location on file with NPPES is 475 Clinton Ave, Bridgeport, CT 06605-1700.
- What is Lydia Greiner's phone number?
- The practice phone number listed in the NPPES registry for Lydia Greiner is (203) 368-4291.
- Is Lydia Greiner's NPI active?
- Yes — Lydia Greiner's NPI (1225159171) 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.