HANG SIK BYUN MD
NPI 1073544565
Neurological Surgery in Elmhurst, NY

Active since July 05, 2006PECOS Enrolled
79-01 BROADWAY, ROOM A1-9, ELMHURST, NY 11373(718) 334-4952(718) 334-4815 Get Directions Write a Review

NPPES record last updated: October 19, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Hang Sik Byun Md NPPES

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

HANG SIK BYUN MD (NPI 1073544565) is an individual neurological surgery provider in Elmhurst, New York, licensed in New York (1111711) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1073544565
Entity TypeIndividualMale
Primary Taxonomy207T00000X
Provider Legal NameHANG SIK BYUNCredential: MD
Location Address79-01 BROADWAY, ROOM A1-9Elmhurst, NY 11373-1329
Mailing Address79-01 Broadway, Room A1-9Elmhurst, NY 11373-1329 · (718) 334-4952 · Fax (718) 334-4815
Fax(718) 334-4815
Sole ProprietorNo
Enumeration DateJuly 5, 2006
Last NPPES UpdateOctober 19, 2007
✔ NPI 1073544565 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNeurological SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207T00000X
License✔ Licensed in NY · 1111711
Definition
A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.
79-01 BROADWAY, Elmhurst, NY 11373

Other Identifiers 3

Medicaid00199239NY
Medicare UPINB18724NY
Medicare PIN53241CNY

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Hang Sik Byun Md 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 Hang Byun reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Obstetrics & Gynecology
7901 BROADWAY
Elmhurst, NY 11373
  • Reassigned Medicare billing, New York enrollment
  • 836 clinicians in this Medicare group

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 11373 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
$153.13 typical visit price
range $67.00 – $201.98
Typical copayment $38.28 (range $16.75 – $50.49)
Most-billed visit code 99204
Established Patient
$82.96 typical visit price
range $21.62 – $163.52
Typical copayment $20.74 (range $5.40 – $40.88)
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 20

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

Audiologist
79-01 BROADWAY
ELMHURST, NY 11373
Physician Assistant
79-01 BROADWAY, ELMHURST HOSPITAL CENTER
ELMHURST, NY 11373
Pediatrics (Neonatal-Perinatal Medicine)
79-01 BROADWAY, ROOM A1-9
ELMHURST, NY 11373
Nurse Practitioner (Psychiatric/Mental Health)
79-01 BROADWAY, MANAGED CARE, D1-01
ELMHURST, NY 11373
Student in an Organized Health Care Education/Training Program
79-01 BROADWAY
QUEENS, NY 11373
Nurse Practitioner (Primary Care)
79-01 BROADWAY, D4 -54 CARDIOLOGY DEPT
ELMHURST, NY 11373
Social Worker
79-01 BROADWAY
ELMHURST, NY 11373
General Acute Care Hospital
79-01 BROADWAY
ELMHURST, NY 11373

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 Hang Byun's NPI number?

The NPI number for Hang Byun is 1073544565. It was assigned to this individual provider in the NPPES registry on July 5, 2006.

Where is Hang Byun located?

Hang Byun practices at 79-01 Broadway Room A1-9, Elmhurst, NY 11373. The listed phone number is (718) 334-4952.

What is Hang Byun's specialty?

The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.

Is Hang Byun enrolled in Medicare?

Yes. Hang Byun is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Hang Byun's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hang Byun reassigns Medicare benefits to Icahn School Of Medicine At Mount Sinai (Elmhurst, NY). 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 Hang Byun's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Hang Byun was last updated on October 19, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.