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MRS. NATALIA SHELLLIZA DIAZ MSN RN AGNP-C
NPI 1174876759
Nurse Practitioner - Adult Health in Brooklyn, NY

Active since October 19, 2012PECOS Enrolled
213 WASHINGTON AVE, BROOKLYN, NY 11205(917) 407-6790 Get Directions Write a Review

NPPES record last updated: May 28, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Mrs. Natalia Shellliza Diaz Msn Rn Agnp-c NPPES

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

MRS. NATALIA SHELLLIZA DIAZ MSN RN AGNP-C (NPI 1174876759) is an individual adult health provider in Brooklyn, New York, licensed in New Jersey (26NJ15560500) and active in the NPI registry since October 2012. She is enrolled in Medicare PECOS, maintains a secondary practice location in West Caldwell, and is a graduate of Other (2025).

NPPES Registry Identity

NPI1174876759
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameMRS. NATALIA SHELLLIZA DIAZCredential: MSN RN AGNP-C
Location Address213 WASHINGTON AVEBrooklyn, NY 11205-3702
Mailing Address600 Abbott AveRidgefield, NJ 07657-1706 · (917) 407-6790
Phone(917) 407-6790
Sole ProprietorYes
Medical School CMSOtherGraduated 2025
Enumeration DateOctober 19, 2012
Last NPPES UpdateMay 28, 2026
NPPES CertifiedMay 28, 2026
✔ NPI 1174876759 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
Licenses✔ Licensed in NJ · 26NJ15560500✔ Licensed in NY · 312765-01
Also ListedRegistered NurseTaxonomy 163W00000X · License 26NR16361200 (NJ), 663077 (NY)
213 WASHINGTON AVE, Brooklyn, NY 11205
Open in Google Maps ↗

Secondary Practice Location 1

Location 1459 Passaic AveWest Caldwell, NJ 07006-7457 · Phone (973) 276-6700

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Natalia Shellliza Diaz Msn Rn Agnp-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID648628610
PECOS Enrollment IDI20260706002463
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 Reassignments

2

Medicare enrollment records show Natalia Diaz reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Provider Profile
21 mi
Geriatric Medicine
459 PASSAIC AVE, CRANE'S MILL - OAK HEALTH CENTER
West Caldwell, NJ 07006
  • Reassigned Medicare billing, New Jersey enrollment
  • 15 clinicians in this Medicare group
NPI 1326059320 (973) 276-3026
Edward Timothy Okelley MD PC
56 mi
Nurse Practitioner
155 CRYSTAL RUN RD
Middletown, NY 10941
  • Reassigned Medicare billing, New York enrollment
  • 19 clinicians in this Medicare group
NPI 1407553936 (888) 725-5422

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 11205 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.

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 Natalia Diaz's NPI number?

The NPI number for Natalia Diaz is 1174876759. It was assigned to this individual provider in the NPPES registry on October 19, 2012.

Where is Natalia Diaz located?

Natalia Diaz practices at 213 Washington Ave, Brooklyn, NY 11205. The listed phone number is (917) 407-6790.

What is Natalia Diaz's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Is Natalia Diaz enrolled in Medicare?

Yes. Natalia Diaz is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Natalia Diaz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Natalia Diaz reassigns Medicare benefits to 2 organizations: (West Caldwell, NJ) and Edward Timothy Okelley MD PC (Middletown, NY). Each 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 Natalia Diaz'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 Natalia Diaz was last updated on May 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.