NAOMI YSIMURA
NPI 1255138624
Nurse Practitioner - Family in East Setauket, NY

Q: What is Naomi Ysimura's NPI number?

The NPI number for Naomi Ysimura is 1255138624. It was assigned to this individual provider in the NPPES registry on February 25, 2025.

Q: What is Naomi Ysimura's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Q: When was this NPI record last updated?

The NPPES record for Naomi Ysimura was last updated on February 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since February 25, 2025PECOS EnrolledAccepts Medicare Assignment

45 RESEARCH WAY STE 108, EAST SETAUKET, NY 11733(631) 941-2000 Get Directions Write a Review

NPPES record last updated: February 25, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Naomi Ysimura NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

NAOMI YSIMURA (NPI 1255138624) is an individual family provider in East Setauket, New York, licensed in New York (353764) and active in the NPI registry since February 2025. The provider is enrolled in Medicare PECOS, is affiliated with Good Samaritan Hospital Medical Center, and is a graduate of Other (2024).

NPPES Registry Identity

NPI1255138624

Entity TypeIndividual

Primary Taxonomy363LF0000X

Provider Legal NameNAOMI YSIMURA

Location Address45 RESEARCH WAY STE 108East Setauket, NY 11733-6401

Mailing Address45 Research Way Ste 108East Setauket, NY 11733-6401 · (631) 941-2000

Phone(631) 941-2000

Sole ProprietorNo

Medical School CMSOtherGraduated 2024

Enumeration DateFebruary 25, 2025

NPPES CertifiedFebruary 25, 2025

✔ NPI 1255138624 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in NY · 353764

45 RESEARCH WAY STE 108, East Setauket, NY 11733

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Naomi Ysimura is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7911419395

PECOS Enrollment IDI20250623000806

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Good Samaritan Hospital Medical Center

Acute Care Hospitals · West Islip, NY

1/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number330286

Location1000 Montauk HighwayWest Islip, NY 11795 · Suffolk County

Emergency services Birthing friendly

St Catherine Of Siena Hospital Medical Center

Acute Care Hospitals · Smithtown, NY

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number330401

Location50 Route 25ASmithtown, NY 11787 · Suffolk County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11733 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$105.06 typical visit price

range $67.40 – $203.53

Typical copayment $26.26 (range $16.85 – $50.88)

Most-billed visit code 99203

Established Patient

$117.62 typical visit price

range $21.66 – $164.45

Typical copayment $29.40 (range $5.41 – $41.11)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KATHLEEN T CALLAGHAN NP, RN

Nurse Practitioner (Adult Health)

45 RESEARCH WAY STE 108
EAST SETAUKET, NY 11733

Suffolk County (631) 941-2000

NIRUPA RAMJISINGH PA

Physician Assistant (Medical)

45 RESEARCH WAY STE 108
EAST SETAUKET, NY 11733

Suffolk County (631) 941-2000

LINA M RESTREPO MD

Internal Medicine (Cardiovascular Disease)

45 RESEARCH WAY STE 108
EAST SETAUKET, NY 11733

Suffolk County (631) 941-2000

MS. JESSICA SOLTAN FNP-C

Nurse Practitioner (Family)

45 RESEARCH WAY STE 108
EAST SETAUKET, NY 11733

Suffolk County (631) 941-2000

MR. THOMAS JOSEPH PETTEI M.D.

Internal Medicine (Cardiovascular Disease)

45 RESEARCH WAY STE 108, STONY BROOK INTERNISTS
EAST SETAUKET, NY 11733

Suffolk County (631) 941-2000

LEONIDAS MIRAS

Internal Medicine (Cardiovascular Disease)

45 RESEARCH WAY STE 108
EAST SETAUKET, NY 11733

Suffolk County (631) 941-2000

DEBORAH ANNE ROTH NP

Nurse Practitioner

45 RESEARCH WAY STE 108
EAST SETAUKET, NY 11733

Suffolk County (631) 941-2000

DR. MICHAEL RAYMOND WEBER MD

Internal Medicine (Clinical Cardiac Electrophysiology)

45 RESEARCH WAY STE 108
EAST SETAUKET, NY 11733

Suffolk County (316) 941-2000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Naomi Ysimura's NPI number?

The NPI number for Naomi Ysimura is 1255138624. It was assigned to this individual provider in the NPPES registry on February 25, 2025.

Where is Naomi Ysimura located?

Naomi Ysimura practices at 45 Research Way Ste 108, East Setauket, NY 11733. The listed phone number is (631) 941-2000.

What is Naomi Ysimura's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Naomi Ysimura enrolled in Medicare?

Yes. Naomi Ysimura is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Naomi Ysimura affiliated with any hospitals?

According to CMS data, Naomi Ysimura is affiliated with Good Samaritan Hospital Medical Center and St Catherine Of Siena Hospital Medical Center.

When was this NPI record last updated?

The NPPES record for Naomi Ysimura was last updated on February 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.