Greenwich Neonatology Associates, LLC
NPI 1972769032 · Neonatal-Perinatal Medicine Physician · Greenwich, CT
Greenwich Neonatology Associates, LLC is a Neonatal-Perinatal Medicine Physician organization in Greenwich, CT (NPI 1972769032).
Provider details
- NPI number
- 1972769032
- Entity type
- Organization
- Primary specialty
- Neonatal-Perinatal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Stylianos Theofanidis, Physician(203) 863-3515
- License
- 028038 (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
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
- 2008-07-29
- Last updated
- 2008-07-29
Frequently asked questions
- What is Greenwich Neonatology Associates, LLC's NPI number?
- Greenwich Neonatology Associates, LLC's National Provider Identifier (NPI) is 1972769032, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Greenwich Neonatology Associates, LLC?
- Greenwich Neonatology Associates, LLC is classified in the NPPES registry as Neonatal-Perinatal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Greenwich Neonatology Associates, LLC located?
- Greenwich Neonatology Associates, LLC's practice location on file with NPPES is 5 Perryridge Rd, Greenwich, CT 06830-4608.
- What is Greenwich Neonatology Associates, LLC's phone number?
- The practice phone number listed in the NPPES registry for Greenwich Neonatology Associates, LLC is (203) 863-3515.
- Who is the authorized official for Greenwich Neonatology Associates, LLC?
- The authorized official listed on Greenwich Neonatology Associates, LLC's NPPES record is Stylianos Theofanidis, Physician. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Greenwich Neonatology Associates, LLC's NPI active?
- Yes — Greenwich Neonatology Associates, LLC's NPI (1972769032) is active in the NPPES registry as of the last update on 2008-07-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.