Stephen Piazza, MD
NPI 1730171307 · Neonatal-Perinatal Medicine Physician · Valhalla, NY
Stephen Piazza, MD is a Neonatal-Perinatal Medicine Physician provider in Valhalla, NY (NPI 1730171307).
Provider details
- NPI number
- 1730171307
- Entity type
- Individual
- Primary specialty
- Neonatal-Perinatal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 156230 (NY)
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
- 2005-08-18
- Last updated
- 2009-03-12
Frequently asked questions
- What is Stephen Piazza's NPI number?
- Stephen Piazza's National Provider Identifier (NPI) is 1730171307, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Piazza's specialty?
- Stephen Piazza is listed in the NPPES registry with a primary specialty of Neonatal-Perinatal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Piazza located?
- Stephen Piazza's practice location on file with NPPES is 95 Grasslands Rd, Valhalla, NY 10595-1646.
- What is Stephen Piazza's phone number?
- The practice phone number listed in the NPPES registry for Stephen Piazza is (914) 493-8558.
- Is Stephen Piazza's NPI active?
- Yes — Stephen Piazza's NPI (1730171307) is active in the NPPES registry as of the last update on 2009-03-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.