DIANA YI
NPI 1780570226
Nurse Practitioner - Psychiatric/Mental Health in Fairfax, VA

Q: What is Diana Yi's NPI number?

The NPI number for Diana Yi is 1780570226. It was assigned to this individual provider in the NPPES registry on June 12, 2025.

Q: What is Diana Yi's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Diana Yi was last updated on October 1, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since June 12, 2025PECOS Enrolled

10721 MAIN ST STE 2400, FAIRFAX, VA 22030(508) 663-3852(508) 492-2963 Get Directions Write a Review

NPPES record last updated: October 1, 2025. Verified against the NPPES registry weekly; last sync: July 19, 2026.

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About Diana Yi NPPES

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

DIANA YI (NPI 1780570226) is an individual psychiatric/mental health provider in Fairfax, Virginia, licensed in Virginia (0024194771) and active in the NPI registry since June 2025. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1780570226

Entity TypeIndividualFemale

Primary Taxonomy363LP0808X

Provider Legal NameDIANA YI

Location Address10721 MAIN ST STE 2400Fairfax, VA 22030-6902

Mailing Address10721 Main St Ste 2400Fairfax, VA 22030-6902 · (508) 663-3852 · Fax (508) 492-2963

Phone(508) 663-3852

Fax(508) 492-2963

Sole ProprietorYes

Enumeration DateJune 12, 2025

Last NPPES UpdateOctober 1, 2025

NPPES CertifiedOctober 1, 2025

✔ NPI 1780570226 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 VA · 0024194771

Also ListedRegistered NurseTaxonomy 163W00000X · License 0001316170 (VA)

10721 MAIN ST STE 2400, Fairfax, VA 22030

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Diana Yi 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22030 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.