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MRS. ALYSSA L. KREIDER PMHNP-BC
NPI 1891274973
Nurse Practitioner - Psychiatric/Mental Health in Port Chester, NY

Active since August 09, 2018PECOS Enrolled
1 GATEWAY PLZ FL 3, PORT CHESTER, NY 10573(914) 240-2241 Get Directions Write a Review

NPPES record last updated: October 8, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 8, 2025, Aug 9, 2018 (2 updates tracked since 2018).

About Mrs. Alyssa L. Kreider Pmhnp-bc NPPES

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

MRS. ALYSSA L. KREIDER PMHNP-BC (NPI 1891274973) is an individual psychiatric/mental health provider in Port Chester, New York, licensed in New York (406727) and active in the NPI registry since August 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2024).

NPPES Registry Identity

NPI1891274973
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameMRS. ALYSSA L. KREIDERCredential: PMHNP-BC
Location Address1 GATEWAY PLZ FL 3Port Chester, NY 10573-4671
Mailing Address15 Bank StWhite Plains, NY 10606-1917 · (845) 522-2942
Phone(914) 240-2241
Sole ProprietorNo
Medical School CMSOtherGraduated 2024
Enumeration DateAugust 9, 2018
Last NPPES UpdateOctober 8, 20252 updates tracked since enumeration
NPPES CertifiedOctober 8, 2025
✔ NPI 1891274973 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 · 406727
Also ListedRegistered NurseTaxonomy 163W00000X · License 753032 (NY)
1 GATEWAY PLZ FL 3, Port Chester, NY 10573
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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 (PECOS)

Mrs. Alyssa L. Kreider Pmhnp-bc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1658854138
PECOS Enrollment IDI20260312002137
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 Alyssa Kreider reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Open Door Family Medical Center Inc
0.5 mi
Federally Qualified Health Center (FQHC)
5 GRACE CHURCH ST
Port Chester, NY 10573
  • Reassigned Medicare billing, New York enrollment
  • 149 clinicians in this Medicare group
NPI 1285893719 (914) 937-8899

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 10573 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 2

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

MARYAM CASTRO KALANTARI
Social Worker
1 GATEWAY PLZ FL 3
PORT CHESTER, NY 10573
Westchester County (914) 240-6881
MS. SANDY SOLER LMSW
Social Worker (Clinical)
1 GATEWAY PLZ FL 3
PORT CHESTER, NY 10573
Westchester County (914) 240-2241

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 Alyssa Kreider's NPI number?

The NPI number for Alyssa Kreider is 1891274973. It was assigned to this individual provider in the NPPES registry on August 9, 2018.

Where is Alyssa Kreider located?

Alyssa Kreider practices at 1 Gateway Plz Fl 3, Port Chester, NY 10573. The listed phone number is (914) 240-2241.

What is Alyssa Kreider's specialty?

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

Is Alyssa Kreider enrolled in Medicare?

Yes. Alyssa Kreider is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Alyssa Kreider's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alyssa Kreider reassigns Medicare benefits to Open Door Family Medical Center Inc (Port Chester, 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 Alyssa Kreider'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 Alyssa Kreider was last updated on October 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.