Naomi Ysimura
NPI 1255138624 · Family Nurse Practitioner · East Setauket, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Naomi Ysimura is a Family Nurse Practitioner provider in East Setauket, NY (NPI 1255138624).
Provider details
- NPI number
- 1255138624
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sole proprietor
- No
- License
- 353764 (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
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
- 2025-02-25
- Last updated
- 2025-02-25
- Certified
- 2025-02-25
Frequently asked questions
- What is Naomi Ysimura's NPI number?
- Naomi Ysimura's National Provider Identifier (NPI) is 1255138624, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Naomi Ysimura's specialty?
- Naomi Ysimura is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Naomi Ysimura located?
- Naomi Ysimura's practice location on file with NPPES is 45 Research Way Ste 108, East Setauket, NY 11733-6401.
- What is Naomi Ysimura's phone number?
- The practice phone number listed in the NPPES registry for Naomi Ysimura is (631) 941-2000.
- Does Naomi Ysimura accept Medicare?
- Naomi Ysimura is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Naomi Ysimura's NPI active?
- Yes — Naomi Ysimura's NPI (1255138624) is active in the NPPES registry as of the last update on 2025-02-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.