Melissa O'Brien, NP
NPI 1629485578 · Psychiatric/Mental Health Nurse Practitioner · New York, NY
Melissa O'Brien, NP is a Psychiatric/Mental Health Nurse Practitioner provider in New York, NY (NPI 1629485578).
Provider details
- NPI number
- 1629485578
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 401922 (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 tenure33% of score
11 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$23 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-07-11
- Last updated
- 2015-08-25
Frequently asked questions
- What is Melissa O'Brien's NPI number?
- Melissa O'Brien's National Provider Identifier (NPI) is 1629485578, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melissa O'Brien's specialty?
- Melissa O'Brien is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Melissa O'Brien located?
- Melissa O'Brien's practice location on file with NPPES is 200 Varick St, New York, NY 10014-4810.
- What is Melissa O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Melissa O'Brien is (212) 620-0340.
- Is Melissa O'Brien's NPI active?
- Yes — Melissa O'Brien's NPI (1629485578) is active in the NPPES registry as of the last update on 2015-08-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.