JILLIAN MARIE ARENZ
NPI 1649856774
Psychologist - Clinical in Jackson Heights, NY

Q: What is Jillian Arenz's NPI number?

The NPI number for Jillian Arenz is 1649856774. It was assigned to this individual provider in the NPPES registry on March 19, 2021.

Q: What is Jillian Arenz's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Q: When was this NPI record last updated?

The NPPES record for Jillian Arenz was last updated on August 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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 March 19, 2021PECOS Enrolled

3530 82ND ST APT 44, JACKSON HEIGHTS, NY 11372(215) 605-6906 Get Directions Write a Review

NPPES record last updated: August 26, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Aug 26, 2026, May 27, 2025, Mar 19, 2021 (3 updates tracked since 2021).

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About Jillian Marie Arenz NPPES

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

JILLIAN MARIE ARENZ (NPI 1649856774) is an individual clinical provider in Jackson Heights, New York, licensed in New York (027410) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS, is affiliated with Montefiore Medical Center, and is a graduate of Other (2023).

NPPES Registry Identity

NPI1649856774

Entity TypeIndividualFemale

Primary Taxonomy103TC0700X

Provider Legal NameJILLIAN MARIE ARENZ

Location Address3530 82ND ST APT 44Jackson Heights, NY 11372-5116

Mailing Address3530 82nd St Apt 44Jackson Heights, NY 11372-5116

Phone(215) 605-6906

Sole ProprietorNo

Medical School CMSOtherGraduated 2023

Enumeration DateMarch 19, 2021

Last NPPES UpdateAugust 26, 20263 updates tracked since enumeration

NPPES CertifiedAugust 26, 2026

✔ NPI 1649856774 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code103TC0700X

License✔ Licensed in NY · 027410

Definition

A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

3530 82ND ST APT 44, Jackson Heights, NY 11372

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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)

Jillian Marie Arenz is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8921500703

PECOS Enrollment IDI20250909002843

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 Jillian Arenz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Montefiore Medical Center

5.5 mi

Family Medicine

2633 BROADWAY
New York, NY 10025

Reassigned Medicare billing, New York enrollment
5,251 clinicians in this Medicare group

NPI 1760288278 (888) 663-6331

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

Hospital Affiliations CMS Care Compare

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

Montefiore Medical Center

Acute Care Hospitals · Bronx, NY

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330059

Location111 East 210th StreetBronx, NY 10467 · Bronx County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11372 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

$201.98 typical visit price

range $67.00 – $201.98

Typical copayment $50.49 (range $16.75 – $50.49)

Most-billed visit code 99205

Established Patient

$116.96 typical visit price

range $21.62 – $163.52

Typical copayment $29.24 (range $5.40 – $40.88)

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 Jillian Arenz's NPI number?

The NPI number for Jillian Arenz is 1649856774. It was assigned to this individual provider in the NPPES registry on March 19, 2021.

Where is Jillian Arenz located?

Jillian Arenz practices at 3530 82nd St Apt 44, Jackson Heights, NY 11372. The listed phone number is (215) 605-6906.

What is Jillian Arenz's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is Jillian Arenz enrolled in Medicare?

Yes. Jillian Arenz is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Jillian Arenz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jillian Arenz reassigns Medicare benefits to Montefiore Medical Center (New York, 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 Jillian Arenz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Jillian Arenz affiliated with any hospitals?

According to CMS data, Jillian Arenz is affiliated with Montefiore Medical Center.

When was this NPI record last updated?

The NPPES record for Jillian Arenz was last updated on August 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.