ALYSSA HOPE DIAZ AGACNP-BC
NPI 1275140758
Nurse Practitioner - Acute Care in New York, NY

Active since September 28, 2020PECOS EnrolledAccepts Medicare Assignment
403 E 34TH ST, NEW YORK, NY 10016(212) 263-3165 Get Directions Write a Review

NPPES record last updated: July 30, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 30, 2021, Sep 28, 2020 (2 updates tracked since 2020).

About Alyssa Hope Diaz Agacnp-bc NPPES

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

ALYSSA HOPE DIAZ AGACNP-BC (NPI 1275140758) is an individual acute care provider in New York, New York, licensed in New York (F431817-01) and active in the NPI registry since September 2020. She is enrolled in Medicare PECOS, is affiliated with North Shore University Hospital, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1275140758
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameALYSSA HOPE DIAZCredential: AGACNP-BC
Location Address403 E 34TH STNew York, NY 10016-4907
Mailing Address317 E 34th StNew York, NY 10016-4974 · (212) 263-8134
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateSeptember 28, 2020
Last NPPES UpdateJuly 30, 20212 updates tracked since enumeration
NPPES CertifiedJuly 30, 2021
NPI 1275140758 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License Licensed in NY · F431817-01
403 E 34TH ST, New York, NY 10016

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

Alyssa Hope Diaz Agacnp-bc 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 ID5597158303
PECOS Enrollment IDI20220518000048
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.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Ultrasound scan of organ tissue for measuring elasticity 76981
An ultrasound scan of organ tissue measures elasticity, or flexibility. This non-invasive procedure uses sound waves to create images of the inside of your body. It helps in assessing the health of various organs by detecting changes in their stiffness or softness.
35 services35 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
16 services13 patients

Hospital Affiliations CMS Care Compare 3

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

North Shore University Hospital

Acute Care Hospitals · Manhasset, NY
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330106
Location300 Community DriveManhasset, NY 11030 · Nassau County
Emergency services Birthing friendly

John T Mather Memorial Hospital Of Port Jefferson

Acute Care Hospitals · Port Jefferson, NY
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330185
Location75 North Country RoadPort Jefferson, NY 11777 · Suffolk County
Emergency services

Long Island Jewish Medical Center

Acute Care Hospitals · New Hyde Park, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330195
Location270 - 05 76th AvenueNew Hyde Park, NY 11040 · Nassau County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10016 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
$102.04 typical visit price
range $65.69 – $198.19
Typical copayment $25.51 (range $16.42 – $49.54)
Most-billed visit code 99203
Established Patient
$114.88 typical visit price
range $21.20 – $160.66
Typical copayment $28.72 (range $5.30 – $40.16)
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.

Referred Medical Equipment & Supplies CMS DME claims 5

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tacrolimus, immediate release, oral, 1 mg J7507
Treatment-Treatment - Miscellaneous · category RX029N
7 suppliers39 claims2,625 services$0.30 avg. paid by Medicare
Prednisone, immediate release or delayed release, oral, 1 mg J7512
Treatment-Treatment - Miscellaneous · category RX029N
3 suppliers11 claims1,470 services$0.01 avg. paid by Medicare
Mycophenolate mofetil, oral, 250 mg J7517
Treatment-Treatment - Miscellaneous · category RX029N
4 suppliers34 claims4,080 services$0.20 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511
Treatment-Chemotherapy · category RH012N
8 suppliers52 claims52 services$18.88 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512
Treatment-Chemotherapy · category RH012N
7 suppliers46 claims47 services$12.35 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 19

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

Pediatrics (Pediatric Critical Care Medicine)
403 E 34TH ST
NEW YORK, NY 10016
Nurse Practitioner (Adult Health)
403 E 34TH ST, 4TH FLOOR
NEW YORK, NY 10016
Nurse Practitioner (Adult Health)
403 E 34TH ST, 3RD FLOOR
NEW YORK, NY 10016
Psychiatry & Neurology (Neurology)
403 E 34TH ST, 2ND FL
NEW YORK, NY 10016
Nurse Practitioner (Family)
403 E 34TH ST
NEW YORK, NY 10016
Transplant Surgery
403 E 34TH ST, 3RD FL
NEW YORK, NY 10016
Nurse Practitioner (Family)
403 E 34TH ST, PEDIATRIC CARDIOLOGY 4TH FLOOR
NEW YORK, NY 10016
Transplant Surgery
403 E 34TH ST, 3RD FL
NEW YORK, NY 10016

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 Diaz's NPI number?

The NPI number for Alyssa Diaz is 1275140758. It was assigned to this individual provider in the NPPES registry on September 28, 2020.

Where is Alyssa Diaz located?

Alyssa Diaz practices at 403 E 34th St, New York, NY 10016. The listed phone number is (212) 263-3165.

What is Alyssa Diaz's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Alyssa Diaz enrolled in Medicare?

Yes. Alyssa Diaz 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 Alyssa Diaz affiliated with any hospitals?

According to CMS data, Alyssa Diaz is affiliated with North Shore University Hospital, John T Mather Memorial Hospital Of Port Jefferson and Long Island Jewish Medical Center.

When was this NPI record last updated?

The NPPES record for Alyssa Diaz was last updated on July 30, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.