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EILEEN HEISE
NPI 1538643200
Nurse Practitioner - Psychiatric/Mental Health in Hicksville, NY

Active since September 19, 2018PECOS EnrolledAccepts Medicare Assignment
950 S OYSTER BAY RD, HICKSVILLE, NY 11801(516) 822-6111 Get Directions Write a Review

NPPES record last updated: April 7, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 7, 2025, Sep 4, 2024, Sep 19, 2018 (3 updates tracked since 2018).

About Eileen Heise NPPES

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

EILEEN HEISE (NPI 1538643200) is an individual psychiatric/mental health provider in Hicksville, New York, licensed in New York (405626) and active in the NPI registry since September 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1538643200
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameEILEEN HEISE
Location Address950 S OYSTER BAY RDHicksville, NY 11801-3510
Mailing Address950 S Oyster Bay RdHicksville, NY 11801-3510 · (516) 822-6111
Phone(516) 822-6111
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateSeptember 19, 2018
Last NPPES UpdateApril 7, 20253 updates tracked since enumeration
NPPES CertifiedApril 7, 2025
✔ NPI 1538643200 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in NY · 405626
Also ListedRegistered NurseTaxonomy 163W00000X · License 685471 (NY)
950 S OYSTER BAY RD, Hicksville, NY 11801
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Eileen Heise 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 ID840726899
PECOS Enrollment IDI20241213000853
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.

Medicare Billing Reassignment

Medicare enrollment records show Eileen Heise reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Central Nassau Guidance & Counseling Services, Inc.
Same address
Community/Behavioral Health
950 S OYSTER BAY RD
Hicksville, NY 11801
  • Reassigned Medicare billing, New York enrollment
  • 77 clinicians in this Medicare group
NPI 1114928462 (516) 822-6111

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11801 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.

MISS ELIZABETH SUSAN PULLARA LMSW
Social Worker
950 S OYSTER BAY RD
HICKSVILLE, NY 11801
Nassau County (516) 822-6111
YOLANDA HARRELL
Peer Specialist
950 S OYSTER BAY RD
HICKSVILLE, NY 11801
Nassau County (516) 822-6111
LATOYA WILLIAMS MHC
Counselor (Mental Health)
950 S OYSTER BAY RD
HICKSVILLE, NY 11801
Nassau County (516) 822-6111
CAITLIN ROSE GARCIA
Case Manager/Care Coordinator
950 S OYSTER BAY RD
HICKSVILLE, NY 11801
Nassau County (516) 822-6111
DARIEN JENKINS
Counselor
950 S OYSTER BAY RD
HICKSVILLE, NY 11801
Nassau County (516) 822-6111
MR. ORLANDO DEVAL ISAAC
Counselor
950 S OYSTER BAY RD
HICKSVILLE, NY 11801
Nassau County (516) 822-6111
CATHERINE CLARKE
Case Manager/Care Coordinator
950 S OYSTER BAY RD
HICKSVILLE, NY 11801
Nassau County (516) 495-8034
FRANK SIRIANNI
Student in an Organized Health Care Education/Training Program
950 S OYSTER BAY RD
HICKSVILLE, NY 11801
Nassau County (516) 822-6111

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 Eileen Heise's NPI number?

The NPI number for Eileen Heise is 1538643200. It was assigned to this individual provider in the NPPES registry on September 19, 2018.

Where is Eileen Heise located?

Eileen Heise practices at 950 S Oyster Bay Rd, Hicksville, NY 11801. The listed phone number is (516) 822-6111.

What is Eileen Heise's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Eileen Heise enrolled in Medicare?

Yes. Eileen Heise 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.

Which organization bills Medicare for Eileen Heise's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Eileen Heise reassigns Medicare benefits to Central Nassau Guidance & Counseling Services, Inc. (Hicksville, NY). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Eileen Heise's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Eileen Heise was last updated on April 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.