Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

HEEJIN YUN
NPI 1215709175
Counselor - Professional in Somerville, MA

Active since October 24, 2023PECOS Enrolled
485 FOLEY ST, SOMERVILLE, MA 02145(571) 317-0856 Get Directions Write a Review

NPPES record last updated: October 8, 2026. Verified against the NPPES registry weekly; last sync: October 11, 2026.

Record update history: Oct 8, 2026, Sep 12, 2025, Oct 24, 2023 (3 updates tracked since 2023).

About Heejin Yun NPPES

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

HEEJIN YUN (NPI 1215709175) is an individual professional provider in Somerville, Massachusetts, licensed in Virginia (0701015363) and active in the NPI registry since October 2023. She is enrolled in Medicare PECOS, maintains a secondary practice location in Ashburn, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1215709175
Entity TypeIndividualFemale
Primary Taxonomy101YP2500X
Provider Legal NameHEEJIN YUN
Location Address485 FOLEY STSomerville, MA 02145-1266
Mailing Address20937 Ashburn Rd Ste 200Ashburn, VA 20147-5663 · (571) 317-0856 · Fax (571) 310-0047
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateOctober 24, 2023
Last NPPES UpdateOctober 8, 20263 updates tracked since enumeration
NPPES CertifiedOctober 8, 2026
✔ NPI 1215709175 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers
Taxonomy Code101YP2500X
License✔ Licensed in VA · 0701015363
485 FOLEY ST, Somerville, MA 02145

Secondary Practice Location 1

Location 143804 Trackside TerAshburn, VA 20147-7259 · Phone (773) 658-2093

Accepted Insurance

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

Heejin Yun 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 ID5193206621
PECOS Enrollment IDI20260224003071
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.

Other Providers at the Same Location NPPES

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

Counselor (Professional)
485 FOLEY ST
SOMERVILLE, MA 02145

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 Heejin Yun's NPI number?

The NPI number for Heejin Yun is 1215709175. It was assigned to this individual provider in the NPPES registry on October 24, 2023.

Where is Heejin Yun located?

Heejin Yun practices at 485 Foley St, Somerville, MA 02145. The listed phone number is (571) 317-0856.

What is Heejin Yun's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

Is Heejin Yun enrolled in Medicare?

Yes. Heejin Yun 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.

What insurance does Heejin Yun accept?

Health plans from Providence Health Plan list Heejin Yun 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 Heejin Yun was last updated on October 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 days 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.