Marissa Blau, PA
NPI 1396100582 · Physician Assistant · Melville, NY
Marissa Blau, PA is a Physician Assistant provider in Melville, NY (NPI 1396100582).
Provider details
- NPI number
- 1396100582
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- No
- License
- 019305 (NY)
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
10 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
- 2015-12-15
- Last updated
- 2022-09-23
- Certified
- 2022-09-23
Frequently asked questions
- What is Marissa Blau's NPI number?
- Marissa Blau's National Provider Identifier (NPI) is 1396100582, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marissa Blau's specialty?
- Marissa Blau is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marissa Blau located?
- Marissa Blau's practice location on file with NPPES is 510 Broadhollow Rd., Melville, NY 11747.
- What is Marissa Blau's phone number?
- The practice phone number listed in the NPPES registry for Marissa Blau is (631) 424-3600.
- Is Marissa Blau's NPI active?
- Yes — Marissa Blau's NPI (1396100582) is active in the NPPES registry as of the last update on 2022-09-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.