Nicholas Mellen
NPI 1255228771 · Adult Psychiatric/Mental Health Registered Nurse · Syracuse, NY
Nicholas Mellen is a Adult Psychiatric/Mental Health Registered Nurse provider in Syracuse, NY (NPI 1255228771).
Provider details
- NPI number
- 1255228771
- Entity type
- Individual
- Primary specialty
- Adult Psychiatric/Mental Health Registered NurseNursing Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 892948 (NY)
Specialties & taxonomies
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
- 2025-06-18
- Last updated
- 2025-06-18
- Certified
- 2025-06-18
Frequently asked questions
- What is Nicholas Mellen's NPI number?
- Nicholas Mellen's National Provider Identifier (NPI) is 1255228771, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Mellen's specialty?
- Nicholas Mellen is listed in the NPPES registry with a primary specialty of Adult Psychiatric/Mental Health Registered Nurse (Nursing Service Providers).
- Where is Nicholas Mellen located?
- Nicholas Mellen's practice location on file with NPPES is 620 Madison St, Syracuse, NY 13210-2338.
- What is Nicholas Mellen's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Mellen is (315) 426-3600.
- Is Nicholas Mellen's NPI active?
- Yes — Nicholas Mellen's NPI (1255228771) is active in the NPPES registry as of the last update on 2025-06-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.