Mary Kathleen Martin Nurse Practitioner in Psychiatry, PLLC
NPI 1578921623 · Prescribing (Medical) Psychologist · Riverhead, NY
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Kathleen Martin Nurse Practitioner in Psychiatry, PLLC is a Prescribing (Medical) Psychologist organization in Riverhead, NY (NPI 1578921623).
Provider details
- NPI number
- 1578921623
- Entity type
- Organization
- Primary specialty
- Prescribing (Medical) PsychologistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Mary Martin, Owner(631) 766-3210
- License
- 401909 (NY)
Specialties & taxonomies
Behavioral Health & Social Service 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
- 2016-02-04
- Last updated
- 2016-02-04
Frequently asked questions
- What is Mary Kathleen Martin Nurse Practitioner in Psychiatry, PLLC's NPI number?
- Mary Kathleen Martin Nurse Practitioner in Psychiatry, PLLC's National Provider Identifier (NPI) is 1578921623, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mary Kathleen Martin Nurse Practitioner in Psychiatry, PLLC?
- Mary Kathleen Martin Nurse Practitioner in Psychiatry, PLLC is classified in the NPPES registry as Prescribing (Medical) Psychologist (Behavioral Health & Social Service Providers).
- Where is Mary Kathleen Martin Nurse Practitioner in Psychiatry, PLLC located?
- Mary Kathleen Martin Nurse Practitioner in Psychiatry, PLLC's practice location on file with NPPES is 21 W 2nd St, Riverhead, NY 11901-2752.
- What is Mary Kathleen Martin Nurse Practitioner in Psychiatry, PLLC's phone number?
- The practice phone number listed in the NPPES registry for Mary Kathleen Martin Nurse Practitioner in Psychiatry, PLLC is (631) 624-7839.
- Does Mary Kathleen Martin Nurse Practitioner in Psychiatry, PLLC accept Medicare?
- Mary Kathleen Martin Nurse Practitioner in Psychiatry, PLLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Mary Kathleen Martin Nurse Practitioner in Psychiatry, PLLC?
- The authorized official listed on Mary Kathleen Martin Nurse Practitioner in Psychiatry, PLLC's NPPES record is Mary Martin, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mary Kathleen Martin Nurse Practitioner in Psychiatry, PLLC's NPI active?
- Yes — Mary Kathleen Martin Nurse Practitioner in Psychiatry, PLLC's NPI (1578921623) is active in the NPPES registry as of the last update on 2016-02-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.