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GI-SOO LEE MD
NPI 1265444749
Otolaryngology - Pediatric Otolaryngology in Boston, MA

Active since August 12, 2006PECOS EnrolledAccepts Medicare Assignment
333 LONGWOOD AVE FL 3, BOSTON, MA 02115(617) 355-6417(617) 730-0611 Get Directions Write a Review

NPPES record last updated: November 1, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Gi-soo Lee Md NPPES

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

GI-SOO LEE MD (NPI 1265444749) is an individual pediatric otolaryngology provider in Boston, Massachusetts, licensed in Massachusetts (237587) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Minnesota Medical School (2002).

NPPES Registry Identity

NPI1265444749
Entity TypeIndividualMale
Primary Taxonomy207YP0228X
Provider Legal NameGI-SOO LEECredential: MD
Location Address333 LONGWOOD AVE FL 3Boston, MA 02115-5711
Mailing Address333 Longwood Ave Fl 3Boston, MA 02115-5711 · (617) 355-4533 · Fax (617) 730-0611
Phone(617) 355-6417
Fax(617) 730-0611
Sole ProprietorNo
Medical School CMSUniversity Of Minnesota Medical SchoolGraduated 2002
Enumeration DateAugust 12, 2006
Last NPPES UpdateNovember 1, 2022
NPPES CertifiedNovember 1, 2022
✔ NPI 1265444749 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOtolaryngology · Pediatric OtolaryngologyAllopathic & Osteopathic Physicians
Taxonomy Code207YP0228X
License✔ Licensed in MA · 237587
Definition
A pediatric otolaryngologist has special expertise in the management of infants and children with disorders that include congenital and acquired conditions involving the aerodigestive tract, nose and paranasal sinuses, the ear and other areas of the head and neck. The pediatric otolaryngologist has special skills in the diagnosis, treatment, and management of childhood disorders of voice, speech, language and hearing.
Also ListedOtolaryngologyTaxonomy 207Y00000X · License 237587 (MA)
333 LONGWOOD AVE FL 3, Boston, MA 02115
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Accepted Insurance

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Gi-soo Lee Md 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 ID345308995
PECOS Enrollment IDI20081025000144
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 Gi-soo Lee reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Chmc Otolaryngologic Foundation, Inc
0.1 mi
Otolaryngology
300 LONGWOOD AVE
Boston, MA 02115
  • Reassigned Medicare billing, Massachusetts enrollment
  • 79 clinicians in this Medicare group
NPI 1124118229 (617) 355-6460

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

Other Providers at the Same Location NPPES

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

KALIE SARAH BUCHMAN AUD
Audiologist
333 LONGWOOD AVE FL 3
BOSTON, MA 02115
Suffolk County (617) 919-5323

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 Gi-soo Lee's NPI number?

The NPI number for Gi-soo Lee is 1265444749. It was assigned to this individual provider in the NPPES registry on August 12, 2006.

Where is Gi-soo Lee located?

Gi-soo Lee practices at 333 Longwood Ave Fl 3, Boston, MA 02115. The listed phone number is (617) 355-6417.

What is Gi-soo Lee's specialty?

The primary specialty registered for this NPI is Otolaryngology, specializing in Pediatric Otolaryngology, with taxonomy code 207YP0228X.

Is Gi-soo Lee enrolled in Medicare?

Yes. Gi-soo Lee 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.

Which organization bills Medicare for Gi-soo Lee's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gi-soo Lee reassigns Medicare benefits to Chmc Otolaryngologic Foundation, Inc (Boston, MA). 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 Gi-soo Lee's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gi-soo Lee accept?

Health plans from Taro Health list Gi-soo Lee 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 Gi-soo Lee was last updated on November 1, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.