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GIYOUNG CHOI PHYSICIAN ASSISTANT
NPI 1154192334
Physician Assistant in Somerville, MA

Active since January 15, 2024PECOS Enrolled
1020 BROADWAY, SOMERVILLE, MA 02144(617) 628-2160 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Sep 11, 2025, Aug 23, 2024 (2 updates tracked since 2024).

About Giyoung Choi Physician Assistant NPPES

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

GIYOUNG CHOI PHYSICIAN ASSISTANT (NPI 1154192334) is an individual physician assistant in Somerville, Massachusetts, licensed in Massachusetts (PA100730) and active in the NPI registry since January 2024. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1154192334
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameGIYOUNG CHOICredential: PHYSICIAN ASSISTANT
Location Address1020 BROADWAYSomerville, MA 02144-1819
Mailing Address1020 BroadwaySomerville, MA 02144-1819
Phone(617) 628-2160
Sole ProprietorNo
Enumeration DateJanuary 15, 2024
Last NPPES UpdateSeptember 11, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 11, 2025
✔ NPI 1154192334 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Licenses✔ Licensed in MA · PA100730✔ Licensed in CA · PA63922
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
1020 BROADWAY, Somerville, MA 02144
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Giyoung Choi Physician Assistant 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 02144 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
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 4

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

LEORA FISHMAN MD
Family Medicine
1020 BROADWAY
SOMERVILLE, MA 02144
Middlesex County (617) 628-2160
MARGARET SATTERFIELD FNP
Nurse Practitioner (Family)
1020 BROADWAY
SOMERVILLE, MA 02144
Middlesex County (617) 628-2160
CARLA BROWN COLLINS
Nurse Practitioner (Family)
1020 BROADWAY, SOMERVILLE FAMILY PRACTICE
SOMERVILLE, MA 02144
Middlesex County (617) 628-2160
JOEL MYERS
Nurse Practitioner (Family)
1020 BROADWAY
SOMERVILLE, MA 02144
Middlesex County (617) 628-2160

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 Giyoung Choi's NPI number?

The NPI number for Giyoung Choi is 1154192334. It was assigned to this individual provider in the NPPES registry on January 15, 2024.

Where is Giyoung Choi located?

Giyoung Choi practices at 1020 Broadway, Somerville, MA 02144. The listed phone number is (617) 628-2160.

What is Giyoung Choi's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Giyoung Choi enrolled in Medicare?

Yes. Giyoung Choi is registered in the Medicare PECOS enrollment system.

What insurance does Giyoung Choi accept?

Health plans from Anthem Blue Cross and Blue Shield list Giyoung Choi 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 Giyoung Choi was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.