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MS. IRENE ZEN PMHNP-BC, MSN, RN
NPI 1417406349
Nurse Practitioner - Psychiatric/Mental Health in Lorton, VA

Active since October 04, 2016PECOS Enrolled
9107 KEVIN KRAIG RD, LORTON, VA 22079(617) 785-7281(617) 544-0529 Get Directions Write a Review

NPPES record last updated: July 23, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 29, 2019, Nov 28, 2018, Apr 24, 2018 (3 updates tracked since 2018).

About Ms. Irene Zen Pmhnp-bc, Msn, Rn NPPES

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

MS. IRENE ZEN PMHNP-BC, MSN, RN (NPI 1417406349) is an individual psychiatric/mental health provider in Lorton, Virginia, licensed in Virginia (0024176896) and active in the NPI registry since October 2016. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1417406349
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameMS. IRENE ZENCredential: PMHNP-BC, MSN, RN
Location Address9107 KEVIN KRAIG RDLorton, VA 22079-3475
Mailing Address9107 Kevin Kraig RdLorton, VA 22079-3475 · (617) 785-7281 · Fax (617) 544-0529
Phone(617) 785-7281
Fax(617) 544-0529
Sole ProprietorNo
Enumeration DateOctober 4, 2016
Last NPPES UpdateJuly 23, 20253 updates tracked since enumeration
NPPES CertifiedJuly 23, 2025
✔ NPI 1417406349 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
Licenses✔ Licensed in VA · 0024176896✔ Licensed in MA · 2016013790
Also ListedRegistered NurseTaxonomy 163W00000X · License 0001283965 (VA), 2290392 (MA)
9107 KEVIN KRAIG RD, Lorton, VA 22079
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1100 Cambridge St Ste 14Boston, MA 02114-2509 · Phone (617) 917-2389 · Fax (954) 480-1784
Location 28300 Boone Blvd Ste 500Vienna, VA 22182-2681 · Phone (703) 884-2598 · Fax (954) 480-1784

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Harvard Pilgrim Health Care.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ms. Irene Zen Pmhnp-bc, Msn, Rn is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

Grow Healthcare Group PA
907 mi
Mental Health
66 W FLAGLER ST STE 900
Miami, FL 33130
  • Reassigned Medicare billing, Massachusetts enrollment
  • 522 clinicians in this Medicare group
NPI 1245845932 (786) 244-7711

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 22079 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
$100.31 typical visit price
range $65.18 – $194.86
Typical copayment $25.07 (range $16.29 – $48.71)
Most-billed visit code 99203
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
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 Irene Zen's NPI number?

The NPI number for Irene Zen is 1417406349. It was assigned to this individual provider in the NPPES registry on October 4, 2016.

Where is Irene Zen located?

Irene Zen practices at 9107 Kevin Kraig Rd, Lorton, VA 22079. The listed phone number is (617) 785-7281.

What is Irene Zen's specialty?

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

Is Irene Zen enrolled in Medicare?

Yes. Irene Zen is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Irene Zen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Irene Zen reassigns Medicare benefits to Grow Healthcare Group PA (Miami, FL). 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 Irene Zen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Irene Zen accept?

Health plans from Harvard Pilgrim Health Care list Irene Zen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Irene Zen was last updated on July 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.